Smoking, Drinking and Drug Use among Young People in England. Derived Variable Specification

Transcription

1 UK Data Archive Study Number Smoking, Drinking and Drug Use among Young People, 2014 Smoking, Drinking and Drug Use among Young People in England 2014 Derived Variable Specification

2 Table of contents Demographics... 6 AGE1115: (D) Children aged less than 11 to over 15, 5 categories...6 AGE1215: (D) Children aged less than 12 to over 15, 4 categories...6 AGE1315: (D) Children aged less than 13 to over 15, 3 categories...6 ETHNICGPR: (D) Ethnicity in 5 categories...6 Truancy and exclusion... 6 TRUANTDV: (D) Ever truanted...6 EXCLADV: (D) Ever excluded...6 Wellbeing... 7 DLIFWELL1: (D) Score for statement My life is going well...7 DLIFRGHT1: (D) Score for statement My life is just right...7 DLIFDIFF1: (D) Score for statement I wish I had a different kind of life...7 DLIFGOOD1: (D) Score for statement I have a good life...7 DLIFWANT1: (D) Score for statement I have what I want in life...7 DDWBSCORE: (D) Overall wellbeing score...7 DDWBCAT: (D) Wellbeing category...7 Smoking... 8 Smoking in the last week...8 CG7TOT: (D) Cigarettes smoked last week...8 CG7TOTG: (D) Cigarettes smoked last week (grouped)...8 CG7TOTG4: (D) Cigarettes smoked in the last week (4 groups)...8 SDWKCIGG: (D) Cigarettes consumption (grouped)...8 Smoking status...9 DCGSTG6: (D) Recoded cigarette smoking status, 6 categories...9 DCGSTG5: (D) Recoded cigarette smoking status, 5 categories...9 DCGSTG3: (D) Cigarette smoking status (3 cat)...9 Age started smoking...9 DCGAGE: (D) Age first smoked cigarettes...9 Family attitudes to smoking...10 DCGFAM: (D) Family attitudes to pupil smoking...10 DCGFAM4: (D) Family attitudes to smoking (4 categories)...10 FAMSMOK: (D) Number of other smokers in pupils home...10 DCGPPFR: (D) Have friends who smoke...10 DCGPPFAM: (D) Have relatives who smoke...10 DSMFHOME: (D) Whether household members smoke inside the home Giving up smoking...11 STOPSMK: (D) Like to give up smoking altogether...11 TRYSTOP: (D) Try to/like to give up smoking...11 CGSTOPB: (D) Ease could stop smoking altogether (grouped)...11 CGSTOPWB: (D) Ease could stop smoking for a week (grouped)...11 CGLONGG: (D) Length of time as a regular smoker (grouped)...12 DCGGUPAD: (D) Whether asked adult at school to help give up smoking...12 DCGGUPFA: (D) Whether asked family or friends to help give up smoking...12 DCGGUPNI: (D) Whether used nicotine products to help give up smoking...12 DCGGUPGP: (D) Whether visited GP to help give up smoking...12 DCGGUPHE: (D) Whether phoned NHS smoking helpline to help give up smoking...13 DCGGUPST: (D) Whether used NHS stop smoking services to help give up smoking...13 DCGGUPNO: (D) Whether not spent time with friends who smoke to help give up smoking...13 DCGOFT: (D) Smoking status for giving up smoking...13 Open and secret smokers...14 DCGOPEN: (D) Whether an open or a secret smoker (2 categories)...14 DCGSEC: (D) Open/Secret smoking status (6 categories)...14 DCGTYPE: (D) Open/Secret smoking status (4 categories)...14 Where children get cigarettes...15 DCGGET: (D) Whether purchase cigarettes in shop...15 DCGGETA: (D) Whether purchase cigarettes from other people...15 CGDIFFG: (D) Ease of buying cigarettes from a shop (grouped)...15 CGBUYNG: (D) Number of cigarettes bought on last occasion (grouped)...15 DCGGETO: (D) Other sources of cigarettes for comparison over time...15 DCGNUMB: (D) The number of different people who have bought cigarettes for respondent...16 DCGNUMG: (D) The number of different people who have bought cigarettes for respondent (grouped)...16 Proxy purchase of cigarettes...16 SDD08 Derived Variables 2

3 DCGELBUY: (D) Whether asked someone to buy cigarettes from a shop for them and whether they did...16 DCGPRFR: (D) Bought cigarettes by a friend...16 DCGPRFAM: (D) Bought cigarettes by a family member...16 DCGNUMB: (D) The number of different people who have bought cigarettes for respondent...17 DCGNUMG: ((D) The number of different people who have bought cigarettes for respondent (grouped)...17 Other smoking products...17 DCGELEC: (D) e-cigs summary...17 DCGSHIS: (D) shisha summary...17 Drinking Drinking Status...18 DALLAST5: (D) When last had a drink (5 categories)...18 DALLAST3: (D) When last drank alcohol (3 categories)...18 DALFRQ3: (D) Usual drinking frequency in 3 categories...18 DALFRQ5: (D) Usual drinking frequency in 5 categories...18 DALFRQ6: (D) Usual drinking frequency (6 cat split 2x/1x per week)...18 DALFRQ6X: (D) Usual drinking frequency (6 cat split don t/never)...19 DALFRQ8: (D) Usual drinking frequency in 8 categories...19 Units of drink in last week - New...20 NAL7BR: (D) Units of beer drank in last 7 days - New...20 NAL7SD: (D) Units of shandy drank in last 7 days - New...20 NAL7WNSH: (D) Units of wine, martini or sherry drank in last 7 days - New...20 NAL7SP: (D) Units of spirits drank in last 7 days - New...20 NAL7PP: (D) Units of alcopops drank in last 7 days - New...20 NAL7UT: (D) Units of alcohol drank in last 7 days - New...20 NAL7UTG: (D) Units of alcohol in last 7 days, (4 cats) - New...21 NAL7UTG8: (D) Units of alcohol drank in last 7 days, (8 cats) - New...21 Obtaining alcohol...21 DAL4SHP: (D) Tried to buy alcohol from shop in last 4 weeks...21 DAL4PUB: (D) Tried to buy alcohol from pub in last 4 weeks...21 DALSHOP4: (D) Bought alcohol from shop in last four weeks...22 DALPUB4: (D) Bought alcohol from pub in last four weeks...22 DALTRY4W: (D) Tried to or obtained any alcohol in last four weeks...22 DALGOT4W: (D) Any alcohol obtained in last four weeks...22 COMPUTE daltry4w= IF any(2, dal4shp, dal4pub, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth,...22 AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) daltry4w= IF any(-9, dal4shp, dal4pub, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth,...22 AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) daltry4w= IF any(-8, dal4shp, dal4pub, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth,...22 AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) daltry4w= IF any(1, dal4shp, dal4pub, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth,...22 AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) daltry4w= VARIABLE LABELS daltry4w '(D) Tried to or obtained any alcohol in last four weeks' VALUE LABELS daltry4w 1 'Yes' 2 'No' COMPUTE dalgot4w= IF any(2, dalshop4, dalpub4, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth,...22 AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) dalgot4w= IF any(-9, dalshop4, dalpub4, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth,...22 AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) dalgot4w= IF any(-8, dalshop4, dalpub4, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth,...22 AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) dalgot4w= IF any(1, dalshop4, dalpub4, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth,...22 AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) dalgot4w= VARIABLE LABELS dalgot4w '(D) Any alcohol obtained in last four weeks' VALUE LABELS dalgot4w 1 'Yes' 2 'No' DALDAYP: (D) Number of days been in a pub in last 4 weeks...23 DALDAYD: (D) Number of days drunk in a pub in last 4 weeks...23 Consequences of drinking...23 DAL4DRU: (D) Grouped amount of times been drunk in last 4 weeks Family attitudes to drinking...24 DALFAM: (D) Family attitudes to pupil drinking...24 FAMDRIN: (D) Number of other drinkers in pupils home...24 DALFAMKNW: (D) Does family know that pupil drinks alcohol (2 cat)...24 Energy drinks...24 DALENEAL (D) Ever drinks alcohol with energy drinks...24 Drugs Awareness and knowledge of drugs...25 DGHDSTM: (D) Heard of any stimulants...25 DGHDPSY: (D) Heard of any psychedelics...25 SDD08 Derived Variables 3

4 DGHDOPI: (D) Heard of any opiates...25 DGHDANY: (D) Heard of any drugs (excluding volatile substances)...25 Access to drugs...26 XDGOFCAN: (D) Offered cannabis...26 XDGOFAMP: (D) Offered amphetamines...26 XDGOFLSD: (D) Offered LSD...26 XDGOFECS: (D) Offered ecstasy...26 XDGOFPOP: (D) Offered poppers...26 XDGOFTRN: (D) Offered tranquillisers...26 XDGOFHER: (D) Offered heroine...26 XDGOFMSH: (D) Offered magic mushrooms...26 XDGOFMTH: (D) Offered methadone...26 XDGOFCRK: (D) Offered crack...26 XDGOFCOK: (D) Offered cocaine...26 XDGOFKET: (D) Offered ketamine...26 XDGOFMPH: (D) Offered mephedrone...26 XDGOFGAS: (D) Offered glue, gas or other solvents...26 XDGOFOTH: (D) Offered other drugs...26 XDGOFSTM: (D) Offered any stimulants...27 XDGOFPSY: (D) Offered any psychedelics...27 XDGOFOPI: (D) Offered any opiates...27 XDGOFANY: (D) Offered any drugs...27 When last took drugs...28 DUSECAN: (D) Last used cannabis...28 DUSEAMP: (D) Last used amphetamines...28 DUSELSD: (D) Last used LSD...28 DUSEECS: (D) Last used ecstasy...28 DUSEPOP: (D) Last used poppers...28 DUSETRN: (D) Last used tranquilisers...28 DUSEHER: (D) Last used heroin...28 DUSEMSH: (D) Last used magic mushrooms...28 DUSEMTH: (D) Last used methadone...28 DUSECRK: (D) Last used crack...28 DUSECOK: (D) Last used cocaine...28 DUSEKET: (D) Last used ketamine...28 DUSEMPH: (D) Last used mephedrone...28 DUSEGAS: (D) Last used glue...28 DUSEOTH: (D) Last used other drugs...28 Ever taken drugs...29 DEVRSTM: (D) Ever used stimulants...29 DEVRPSY: (D) Ever used psychedelics...29 DEVROPI: (D) Ever used opiates...29 DEVRCLA: (D) Ever used class A drugs...29 DDGANY: (D) Ever used any drugs...30 DDGANYVS: (D) Ever used any drugs (excluding volatile substance)...30 Used drugs in last year...31 DYRSTM: (D) Used stimulants in the last year...31 DYRPSY: (D) Used psychedelics in the last year...31 DYROPI: (D) Used opiates in the last year...31 DYRCLA: (D) Used class A drugs in the last year...31 DDGYR: (D) Used any drugs in the last year...32 DDGYRVS: (D) Used any drugs in the last year (excluding volatile substance)...32 Types of drug taken in last year...33 DDGYRTY: (D) Types of drug taken in last year DDGYRTY5: (D) Types of drugs taken in last year (5 cats) Drug use in last month...34 DMONSTM: (D) Used stimulants in the last month...34 DMONPSY: (D) Used psychedelics in the last month...34 DMONOPI: (D) Used opiates in the last month...34 DMONCLA: (D) Used class A drugs in the last month...34 DDGMON: (D) Used any drugs in the last month...35 DDGMONVS: (D) Used any drugs in the last month (excluding volatile substance)...35 DDGLAST3: (D) When last took drugs (3 categories)...35 Drug taking experience...36 DDGFQ8: (D) Usual frequency take drugs (8 cats)...36 DDGFQ6: (D) Usual frequency take drugs (6 cats)...36 DDGOC: (D) Number of occasions taken drugs...36 First time took drugs...37 DDGAGE: (D) Age first tried drugs...37 DDGAGE11: (D) Age first tried drugs, group from DDGAGE12: (D) Age first tried drugs, group from DGAGECLA: (D) Age first took Class A drugs...37 XXAGECAN: (D) Tried cannabis at age first tried drugs...38 SDD08 Derived Variables 4

5 XXAGEAMP: (D) Tried amphetamines at age first tried drugs...38 XXAGELSD: (D) Tried LSD at age first tried drugs...38 XXAGEECS: (D) Tried ecstasy at age first tried drugs...38 XXAGEPOP: (D) Tried poppers at age first tried drugs...38 XXAGETRN: (D) Tried tranquillisers at age first tried drugs...38 XXAGEHER: (D) Tried heroin at age first tried drugs...38 XXAGEMSH: (D) Tried magic mushrooms at age first tried drugs...38 XXAGEMTH: (D) Tried methadone at age first tried drugs...38 XXAGECRK: (D) Tried crack at age first tried drugs...38 XXAGECOK: (D) Tried cocaine at age first tried drugs...38 XXAGEKET: (D) Tried ketamine at age first tried drugs...38 XXAGEMPH: (D) Tried mephedrone at age first tried drugs...38 XXAGEGAS: (D) Tried glue, gas, aerosols or other solvents at age first tried drugs...38 XXAGEOTH: (D) Tried other drugs at age first tried drugs...38 DDGFIRST: (D) Drugs tried at age first tried drugs...38 Legal highs...39 XDGOFLEG: (D) Ever been offered legal highs...39 DUSELEG: (D) Last used legal highs...39 Education DLSSMK: (D) Whether had any lessons on smoking in last 12 months...40 DLSALC: (D) Whether had any lessons on alcohol in last 12 months...40 DLSDRG: (D) Whether had any lessons on drugs in general in last 12 months...40 SDD08 Derived Variables 5

6 Demographics AGE1115: (D) Children aged less than 11 to over 15, 5 categories AGE1215: (D) Children aged less than 12 to over 15, 4 categories AGE1315: (D) Children aged less than 13 to over 15, 3 categories recode age(1,2=11)(3=12)(4=13)(5=14)(6,7,8=15) into age1115. recode age(1,2,3=12)(4=13)(5=14)(6,7,8=15) into age1215. recode age(1,2,3,4=13)(5=14)(6,7,8=15) into age1315. variable labels age1115 "(D) Age 11-15". variable labels age1215 "(D) Age 11/12-15". variable labels age1315 "(D) Age 11/12/13-15". ETHNICGPR: (D) Ethnicity in 5 categories 1 White 2 Mixed 3 Asian 4 Black 5 Other recode ethnic(1,2,3,4=1)(5,6,7,8=2)(9,10,11,12,13=3)(14,15,16=4)(17,18=5)(-9=-9)(-8=-8) into ethnicgpr. variable labels ethnicgpr '(D) Ethnicity in 5 categories'. Value labels ethnicgpr 1 'White' 2 'Mixed' 3 'Asian' 4 'Black' 5 'Other'. Truancy and exclusion TRUANTDV: (D) Ever truanted 1 Never truanted 2 Previously but not in last 12 months 3 Truanted in last 12 months if truant=2 truantdv=1. if truant=1 and truant12=1 truantdv=2. if truant=1 and (truant12=2 or truant12=3 or truant12=4 or truant12=5) truantdv=3. variable labels truantdv 'Ever truanted'. value labels truantdv 1 'Never truanted' 2 'Previously but not in last 12 months' 3 'Truanted in last 12 months'. EXCLADV: (D) Ever excluded 1 Never excluded 2 Previously but not in last 12 months 2 Excluded in last 12 months if excla=2 excladv=1. if excla=1 and excla12=1 excladv=2. if excla=1 and (excla12=2 or excla12=3 or excla12=4 or excla12=5) excladv=3. variable labels excladv 'Ever excluded'. value labels excladv 1 'Never excluded' 2 'Previously but not in last 12 months' 3 Excluded in the last 12 months. SDD08 Derived Variables 6

7 Wellbeing DLIFWELL1: (D) Score for statement My life is going well DLIFRGHT1: (D) Score for statement My life is just right DLIFDIFF1: (D) Score for statement I wish I had a different kind of life DLIFGOOD1: (D) Score for statement I have a good life DLIFWANT1: (D) Score for statement I have what I want in life recode lifewell (1=4)(2=3)(3=2)(4=1)(5=0)(6=-8)(ELSE=COPY) into DLIFWELL1. recode liferght (1=4)(2=3)(3=2)(4=1)(5=0)(6=-8)(ELSE=COPY) into DLIFRGHT1. recode lifediff (1=0)(2=1)(3=2)(4=3)(5=4)(6=-8)(ELSE=COPY) into DLIFDIFF1. recode lifegood (1=4)(2=3)(3=2)(4=1)(5=0)(6=-8)(ELSE=COPY) into DLIFGOOD1. recode lifewant (1=4)(2=3)(3=2)(4=1)(5=0)(6=-8)(ELSE=COPY) into DLIFWANT1. VARIABLE LABELS DLIFWELL1 '(D) Score for statement "My life is going well"'. VARIABLE LABELS DLIFRGHT1 '(D) Score for statement "My life is just right"'. VARIABLE LABELS DLIFDIFF1 '(D) Score for statement "I wish I had a different kind of life"'. VARIABLE LABELS DLIFGOOD1 '(D) Score for statement "I have a good life"'. VARIABLE LABELS DLIFWANT1 '(D) Score for statement "I have what I want in life"'. DDWBSCORE: (D) Overall wellbeing score Compute DDWBSCORE=0. compute ddwbscore= dlifwell1 + dlifrght1 + dlifdiff1 + dlifgood1 + dlifwant1. if any (-9, dlifwell1, dlifrght1, dlifdiff1, dlifgood1, dlifwant1) ddwbscore = -9. if any (-8, dlifwell1, dlifrght1, dlifdiff1, dlifgood1, dlifwant1) ddwbscore = -8. VARIABLE LABELS DDWBSCORE '(D) Overall wellbeing score'. VALUE LABELS DDWBSCORE -8 'Said DK to at least 1 of the statements - score cannot be generated' -9 'Did not answer at least 1 of the statements - score cannot be generated'. DDWBCAT: (D) Wellbeing category 1. Low wellbeing 2. Not low wellbeing Recode DDWBSCORE (0 thru 9=1)(10 thru 20=2)(ELSE=COPY) into DDWBCAT. FREQUENCIES DDWBCAT. CROSSTABS ddwbscore by ddwbcat. VARIABLE LABELS DDWBCAT '(D) Wellbeing category'. VALUE LABELS DDWBCAT 1 'Low wellbeing' 2 'Not low wellbeing' -8 'Said DK to at least 1 of the statements - score cannot be generated' -9 'Did not answer at least 1 of the statements - score cannot be generated'. SDD08 Derived Variables 7

8 Smoking Smoking in the last week CG7TOT: (D) Cigarettes smoked last week CG7TOTG: (D) Cigarettes smoked last week (grouped) 0 None or more count sdwk=cg7mon cg7tue cg7wed cg7thu cg7fri cg7sat cg7sun(-9,-8). compute cg7tot=0. if cg7mon>0 cg7tot=cg7tot+cg7mon. if cg7tue>0 cg7tot=cg7tot+cg7tue. if cg7wed>0 cg7tot=cg7tot+cg7wed. if cg7thu>0 cg7tot=cg7tot+cg7thu. if cg7fri>0 cg7tot=cg7tot+cg7fri. if cg7sat>0 cg7tot=cg7tot+cg7sat. if cg7sun>0 cg7tot=cg7tot+cg7sun. if sdwk=7 cg7=-9 cg7tot=-9. if sdwk=7 cg7=-8 cg7tot=-8. var lab cg7tot "(D) Cigs smoked last week". recode cg7tot(0=0)(1 thru 6=1)(7 thru 13=2)(14 thru 20=3)(21 thru 34=4)(35 thru 69=5) (70 thru hi=6)(else=copy) into cg7totg. var lab cg7totg "(D) Cigs smoked last week (grouped)". val lab cg7totg 0 "None" 1 "1-6" 2 "7-13" 3 "14-20" 4 "21-34" 5 "35-69" 6 "70 or more". CG7TOTG4: (D) Cigarettes smoked in the last week (4 groups) 0 None cigs cigs cigs recode cg7totg(0 thru 2=copy)(3 thru hi=3)(else=copy) into cg7totg4. var lab cg7totg4 "(D) Cigs smoked in last week(4 groups)". val lab cg7totg4 0 "None" 1 "1-6 cigs" 2 "7-13 cigs" 3 "14+ cigs". SDWKCIGG: (D) Cigarettes consumption (grouped) or more recode cg7tot (0 thru 20 =1)(21 thru 70 = 5)(71 thru high = 6) into sdwkcigg. variable label sdwkcigg '(D) Cigarettes consumption (grouped)'. value labels sdwkcigg 1 '0-20' 5 '21-70' 6 '71 or more'. SDD08 Derived Variables 8

9 Smoking status DCGSTG6: (D) Recoded cigarette smoking status, 6 categories 1 Regular smoker (more than 6 a week) 2 Regular smoker (1-6 a week) 3 Occasional smoker (less than 1 a week) 4 Used to smoke 5 Tried smoking 6 Never smoked DCGSTG5: (D) Recoded cigarette smoking status, 5 categories 1 Regular smoker (more than 6 a week) 2 Occasional smoker (less than 1 a week) 3 Used to smoke 4 Tried smoking 5 Never smoked DCGSTG3: (D) Cigarette smoking status (3 cat) 1 Regular smoker 3 Occasional smoker 4 Non smoker recode cgstat(1=6)(2=5)(3=4)(4=3)(5=2)(6=1)(else=copy) into dcgstg6. if cgireg=2 dcgstg6=5. if cgireg=3 dcgstg6=3. if cg7tot>0 & any(dcgstg6,4,5,6) dcgstg6=3. recode dcgstg6(1,2=1)(3=2)(4=3)(5=4)(6=5)(else=copy) into dcgstg5. recode dcgstg6(1,2=1)(3=2)(4,5,6=3)(else=copy) into dcgstg3. variable label dcgstg6 '(D) Cigarette smoking status (6 cat)'. variable label dcgstg5 '(D) Cigarette smoking status (5 cat)'. variable label dcgstg3 '(D) Cigarette smoking status (3 cat)'. value labels dcgstg6 1 'Regular smoker (more than 6 a week)' 2 'Regular smoker (1-6 a week)' 3 'Occasional smoker (less than 1 a week)' 4 'Used to smoke' 5 'Tried smoking' 6 'Never smoked'. value labels dcgstg5 1 'Regular smoker' 2 'Occasional smoker' 3 'Used to smoke' 4 'Tried smoking' 5 'Never smoked'. value labels dcgstg3 1 'Regular smoker' 2 'Occasional smoker' 3 'Non smoker'. Age started smoking DCGAGE: (D) Age first smoked cigarettes recode cgage(5 thru 15=copy)(16 thru hi=15)(1 thru 4,-9=-9)(else=-1) into dcgage. recode cgagen(5 thru 15=copy)(16 thru hi=15)(1 thru 4,-9=-9) into dcgage. if dcgstg6=3 & dcgage=-1 dcgage=-9. var lab dcgage "(D) Age first smoked cigarettes". SDD08 Derived Variables 9

10 Family attitudes to smoking DCGFAM: (D) Family attitudes to pupil smoking 1 Try to stop me 2 Try to persuade me to stop 3 Do nothing 4 Encourage me to smoke 5 Don t know if cgireg = -9 cgstat = -9 Dcgfam = -9. if cgireg = -8 cgstat = -8 Dcgfam = -8. recode cgfamn (1 thru 5,-9,-8=copy) into DCgFam. recode cgfams (1 thru 4, -9,-8=copy) (6 = 5) into DCgFam. recode cgfamz (1 thru 5,-9,-8=copy) into DCgFam. var lab DCgFam '(D) Family attitudes to pupil smoking'. value labels DCgFam 1 "Try to stop me" 2 "Try to persuade me to stop" 3 "Do nothing" 4 "Encourage me to smoke" 5 "Don't know". DCGFAM4: (D) Family attitudes to smoking (4 categories) 1 Try to stop me 2 Try to persuade me to stop 3 Do nothing/encourage me to smoke 4 Don t know recode dcgfam(4=3)(5=4)(else=copy) into dcgfam4. var lab dcgfam4 (D) 'Family attitudes to smoking (4 cats)'. val lab dcgfam4 1 'Try to stop me' 2 'Try to persuade me to stop' 3 'Do nothing/encourage me to smoke' 4 'Dont know'. FAMSMOK: (D) Number of other smokers in pupils home 0 None 1 One 2 Two 3 Three or more recode cgwhosmo (0=0) (1=1) (2=2) (3 thru hi=3) (else=copy) into famsmok. var lab famsmok 'Number of other smokers in pupils home'. val lab famsmok 0 'None' 1 'One' 2 'Two' 3 'Three or more'. DCGPPFR: (D) Have friends who smoke DCGPPFAM: (D) Have relatives who smoke 0 No 1 Yes recode cgppfrsa (lo thru hi=copy) into dcgppfr. if any(1, cgppfrol, cgppfryo, cgppgb) dcgppfr =1. var lab dcgppfr '(D) Have friends who smoke'. val lab dcgppfr 0 'No' 1 'Yes'. recode cgpppar (lo thru hi=copy) into dcgppfam. if any(1, cgppsib, cgppoth) dcgppfam =1. var lab dcgppfam '(D) Have relatives who smoke'. val lab dcgppfam 0 'No' 1 'Yes'. SDD08 Derived Variables 10

11 DSMFHOME: (D) Whether household members smoke inside the home. 1 Household members smoke in the home 2 Household members smoke, but not in the home 3 No household members smoke if cgwhosmo = 0 dsmfhome = 3. if cgwhosmo>0 & cgwhohme =2 dsmfhome = 2. if cgwhohme =1 dsmfhome = 1. if cgwhosmo=0 & dsmfhome=1 dsmfhome = -8. if cgwhohme=-8 dsmfhome = -8. if cgwhosmo=-8 & cgwhohme =2 dsmfhome = -8. if cgwhosmo=-9 & cgwhohme =2 dsmfhome=-9. if cgwhohme= -9 dsmfhome = -9. variable label dsmfhome '(D) Whether household members smoke inside home'. value labels dsmfhome 1 'Household members smoke in the home' 2 'Household members smoke, but not in the home' 3 'No household members smoke'. Giving up smoking STOPSMK: (D) Like to give up smoking altogether 1 Yes 2 No or Don t know TRYSTOP: (D) Try to/like to give up smoking 1 Tried to give up, would still like to 2 Not tried but would like to give up 3 Tried to give up, would not like to 4 Not tried, would not like to give up recode cglikstp (1=1) (2,3=2) (else=copy) into stopsmk. variable label stopsmk "(D) Like to give up smoking altogether". value labels stopsmk 1"Yes" 2"No or DK". if cgevrstp=-1 stopsmk=-1 trystop=-1. if cgevrstp=-9 stopsmk=-9 trystop=-9. if cgevrstp=1 & stopsmk=1 trystop=1. if cgevrstp=2 & stopsmk=1 trystop=2. if cgevrstp=1 & stopsmk=2 trystop=3. if cgevrstp=2 & stopsmk=2 trystop=4. variable label trystop "(D)Try to/like to give up smoking". value labels trystop 1"tried to give up,would still like to" 2"not tried but would like to give up" 3"tried to give up,would not like to" 4"not tried,would not like to give up". CGSTOPB: (D) Ease could stop smoking altogether (grouped) 1 Very/fairly difficult 2 Fairly/very easy recode cgstop (1,2=1) (3,4=2) (else=copy) into cgstopb. variable label cgstopb 'Ease could stop smoking altogether (grouped)'. value labels cgstopb 1 'very/fairly difficult' 2 'fairly/very easy'. CGSTOPWB: (D) Ease could stop smoking for a week (grouped) 1 Very/fairly difficult 2 Fairly/very easy recode cgstopw (1,2=1) (3,4=2) (else=copy) into cgstopwb. variable label cgstopwb 'Ease could stop smoking for a week (grouped)'. value labels cgstopwb 1 'very/fairly difficult' 2 'fairly/very easy'. SDD08 Derived Variables 11

12 CGLONGG: (D) Length of time as a regular smoker (grouped) 1 1 year or less 2 More than one year recode cglong (1,2,3=1) (4=2) (else=copy) into cglongg. variable label cglongg 'Length of time as a regular smoker (grouped)'. value labels cglongg 1 '1 year or less' 2 'More than one year'. DCGGUPAD: (D) Whether asked adult at school to help give up smoking 1 Asked adult to help give up smoking 2 No recode cggupadn (1=1)(2=2)(-9=-9)(-8=-8) into dcggupad. recode cggupads (1=1)(2=2)(-9=-9)(-8=-8) into dcggupad. recode cgireg (1=-1)(-9,-8=-9) into dcggupad. recode cgevrstp (2=-1)(-9,-8=-9) into dcggupad. recode cgstat(-9,-8=-9) into dcggupad. var lab dcggupad 'Whether asked adult at school to help give up smoking'. val lab dcggupad 1 'Asked adult to help give up smoking' 2 'No'. DCGGUPFA: (D) Whether asked family or friends to help give up smoking 1 Asked family or friends to help give up smoking 2 No recode cggupfan (1=1)(2=2)(-9=-9)(-8=-8) into dcggupfa. recode cggupfas (1=1)(2=2)(-9=-9)(-8=-8) into dcggupfa. recode cgireg (1=-1)(-9,-8=-9) into dcggupfa. recode cgevrstp (2=-1)(-9,-8=-9) into dcggupfa. recode cgstat(-9,-8=-9) into dcggupfa. var lab dcggupfa 'Whether asked family or friends to help give up smoking'. val lab dcggupfa 1 'Asked family or friends to help give up smoking' 2 'No'. DCGGUPNI: (D) Whether used nicotine products to help give up smoking 1 Used nicotine products to help give up smoking 2 No recode cggupnin (1=1)(2=2)(-9=-9)(-8=-8) into dcggupni. recode cggupnis (1=1)(2=2)(-9=-9)(-8=-8) into dcggupni. recode cgireg (1=-1)(-9,-8=-9) into dcggupni. recode cgevrstp (2=-1)(-9,-8=-9) into dcggupni. recode cgstat(-9,-8=-9) into dcggupni. var lab dcggupni 'Whether used nicotine products to help give up smoking'. val lab dcggupni 1 'Used nicotine products to help give up smoking' 2 'No'. DCGGUPGP: (D) Whether visited GP to help give up smoking 1 Visited GP to help give up smoking 2 No recode cggupgpn (1=1)(2=2)(-9=-9)(-8=-8) into dcggupgp. recode cggupgps (1=1)(2=2)(-9=-9)(-8=-8) into dcggupgp. recode cgireg (1=-1)(-9,-8=-9) into dcggupgp. recode cgevrstp (2=-1)(-9,-8=-9) into dcggupgp. recode cgstat(-9,-8=-9) into dcggupgp. var lab dcggupgp 'Whether visited GP to help give up smoking'. val lab dcggupgp 1 'Visited GP to help give up smoking' 2 'No'. SDD08 Derived Variables 12

13 DCGGUPHE: (D) Whether phoned NHS smoking helpline to help give up smoking 1 Phoned NHS smoking helpline to help give up smoking 2 No recode cgguphen (1=1)(2=2)(-9=-9)(-8=-8) into dcgguphe. recode cgguphes (1=1)(2=2)(-9=-9)(-8=-8) into dcgguphe. recode cgireg (1=-1)(-9,-8=-9) into dcgguphe. recode cgevrstp (2=-1)(-9,-8=-9) into dcgguphe. recode cgstat(-9,-8=-9) into dcgguphe. var lab dcgguphe 'Whether phoned NHS smoking helpline to help give up smoking'. val lab dcgguphe 1 'Phoned NHS smoking helpline to help give up smoking' 2 'No'. DCGGUPST: (D) Whether used NHS stop smoking services to help give up smoking 1 Used NHS stop smoking services to help give up smoking 2 No recode cggupstn (1=1)(2=2)(-9=-9)(-8=-8) into dcggupst. recode cggupsts (1=1)(2=2)(-9=-9)(-8=-8) into dcggupst. recode cgireg (1=-1)(-9,-8=-9) into dcggupst. recode cgevrstp (2=-1)(-9,-8=-9) into dcggupst. recode cgstat(-9,-8=-9) into dcggupst. var lab dcggupst 'Whether used NHS stop smoking services to help give up smoking'. val lab dcggupst 1 'Used NHS stop smoking services to help give up smoking' 2 'No'. DCGGUPNO: (D) Whether not spent time with friends who smoke to help give up smoking 1 Not spent time with friends who smoke to help give up smoking 2 No recode cggupnos (1=1)(2=2)(-9=-9)(-8=-8) into dcggupno. recode cggupnos (1=1)(2=2)(-9=-9)(-8=-8) into dcggupno. recode cgireg (1=-1)(-9,-8=-9) into dcggupno. recode cgevrstp (2=-1)(-9,-8=-9) into dcggupno. recode cgstat(-9,-8=-9) into dcggupno. var lab dcggupno 'Whether not spent time with friends who smoke to help give up smoking'. val lab dcggupno 1 'Not spent time with friends who smoke to help give up smoking' 2 'No'. DCGOFT: (D) Smoking status for giving up smoking 1 Tried smoking 2 Used to smoke 3 Current smoker 99 Not applicable non-smoker recode dcgstg6 (6=99)(5=1)(4=2)(1,2,3=3)(else=copy) into dcgoft. var lab dcgoft 'Smoking status for giving up smoking'. val lab dcgoft 1 'Tried smoking' 2 'Used to smoke' 3 'Current smoker' 99 'Not applicable non smoker'. SDD08 Derived Variables 13

14 Open and secret smokers DCGOPEN: (D) Whether an open or a secret smoker (2 categories) 1 Open smoker 2 Secret smoker 99 Not applicable non-smoker recode cgfams(5=2)(1,2,3,4,6=1)(else=copy) into dcgopen. if dcgstg6 = 6 dcgopen = 99. var lab dcgopen "(D) Open or secret smoker (2 cat)". val lab dcgopen 1 "Open smoker" 2 "Secret smoker" 99 ' Not applicable - non smoker'. DCGSEC: (D) Open/Secret smoking status (6 categories) 1 Open regular smoker 2 Open occasional smoker 3 Secret regular smoker 4 Secret occasional smoker 5 Recoded occasional smoker 6 Non-smoker recode dcgstg3(1=1)(2=2)(3=6)(else=copy) into dcgsec. if dcgsec=1 & cgfams=5 dcgsec=3. if dcgsec=2 & cgfams=5 dcgsec=4. if cgfams = -8 cgfams = -9 dcgsec = -9. if dcgsec=2 & any(cgstat,1,2,3) dcgsec=5. var lab dcgsec "(D) Open/Secret Smoking Status". val lab dcgsec 1 "Open regular smoker" 2 "Open occasional smoker" 3 "Secret regular smoker" 4 "Secret occasional smoker" 5 "Recoded occasional smoker" 6 "Non-smoker". DCGTYPE: (D) Open/Secret smoking status (4 categories) 1 Non-smoker 2 Secret smoker 3 Open smoker 4 Reclassified occasional smoker recode dcgstg3 (3=1) (-9=-9) (-8=-8) into dcgtype. recode cgfams(5=2)(1,2,3,4,6=3) into dcgtype. if cgfams=-8 cgfams=-9 dcgtype=-9. if dcgstg3=2 & any(cgstat,1,2,3) dcgtype=4. var lab dcgtype "(D) Open/secret smoker - 4 category". val lab dcgtype 1 "Non smoker" 2 "Secret smoker" 3 "Open smoker" 4 "Reclassified occasional smoker". SDD08 Derived Variables 14

15 Where children get cigarettes DCGGET: (D) Whether purchase cigarettes in shop 1 Yes 2 No Compute DCgGet = -9. If any (1, CgGetMar, CgGetMac, CgGetInt, CgGetFre, CgGetEls, CgGetGiv, CgGetSib, CgGetPar, CgGetTak, CgGetOth) DCgGet=2. If any (1, CgGetSup, CgGetNew, CgGetGar, CgGetSho) DCgGet=1. If CgGetsup =-1 DCgGet = -1. Var Lab DCgGet "(D)Whether purchase cigarettes in shop". value labels DCgGet 1 "Yes" 2 "No". DCGGETA: (D) Whether purchase cigarettes from other people 0 No 1 Yes compute dcggeta=0. if any (1, cggetfre, cggetels) dcggeta=1. if any (-9, cggetfre, cggetels) dcggeta=-9. if any (-1, cggetfre, cggetels) dcggeta=-1. var lab dcggeta '(D) Whether purchase cigarettes from other people'. val lab dcggeta 0 'No' 1 'Yes'. CGDIFFG: (D) Ease of buying cigarettes from a shop (grouped) 1 Difficult 2 Easy recode cgdiff (1,2=1) (3,4=2) (5=-1) (else=copy) into cgdiffg. variable label cgdiffg 'Ease of buying cigarettes from a shop (grouped)'. value labels cgdiffg 1 'Difficult' 2 'Easy'. CGBUYNG: (D) Number of cigarettes bought on last occasion (grouped) 1 Fewer than More than 20 recode cgbuyn (lo thru 9=1)(10 thru 15=2)(16 thru 20=3)(21 thru high = 4)(else=copy) into cgbuyng. variable label cgbuyng 'Number of cigarettes bought (grouped)'. value labels cgbuyng 1 'Fewer than 10' 2 '10-15' 3 '16-20' 4 'More than 20'. DCGGETO: (D) Other sources of cigarettes for comparison over time 0 No 1 Yes compute dcggeto=0. if any (1, cggetmar, cggetint, cggetoth) dcggeto=1. if any (-9, cggetmar, cggetint, cggetoth) dcggeto=-9. if any (-1, cggetmar, cggetint, cggetoth) dcggeto=-1. var lab dcggeto '(D) Other sources of cigarettes, for comparisons over time'. val lab dcggeto 0 'No' 1 'Yes'. SDD08 Derived Variables 15

16 DCGNUMB: (D) The number of different people who have bought cigarettes for respondent DCGNUMG: (D) The number of different people who have bought cigarettes for respondent (grouped) 1 1 person 2 2 people 3 3 people 4 4 or more people count dcgnumb=cgprsib CgPrFrsa CgPrFrol CgPrFryo CgPrGb CgPrPar CgPrOtad CgPrStr CgPrOth (1). if any (-9,CgPrSib,CgPrFrsa,CgPrFrol,CgPrFryo,CgPrGb,CgPrPar,CgPrOtad,CgPrStr,CgPrOth) dcgnumb=-9. if any (-8,CgPrSib,CgPrFrsa,CgPrFrol,CgPrFryo,CgPrGb,CgPrPar,CgPrOtad,CgPrStr,CgPrOth) dcgnumb=-8. if any (-1,CgPrSib,CgPrFrsa,CgPrFrol,CgPrFryo,CgPrGb,CgPrPar,CgPrOtad,CgPrStr,CgPrOth) dcgnumb=-1. var lab dcgnumb "(D) The number of different people who have bought cigarettes for respondent". recode dcgnumb (4 thru hi=4) (else=copy) into dcgnumg. var lab dcgnumg "(D) The number of different people who have bought cigarettes for respondent (grouped)". val lab dcgnumg 1 '1 person' 2 '2 people' 3 '3 people' 4 '4 or more people'. Proxy purchase of cigarettes DCGELBUY: (D) Whether asked someone to buy cigarettes from a shop for them and whether they did 1 Asked someone else to buy cigarettes from a shop, and they did 2 Asked someone else to buy cigarettes from a shop, and they didnt 3 Have not asked anyone to buy cigarettes from a shop if cgshopp=1 and cgacbsp=1 dcgelbuy=1. if cgshopp=1 and cgacbsp=2 dcgelbuy=2. if cgshopp=2 dcgelbuy=3. if any(-9, cgshopp, cgacbsp) dcgelbuy=-9. if any(-8, cgshopp, cgacbsp) dcgelbuy=-8. variable label dcgelbuy '(D) Whether asked someone to buy cigarettes from a shop for them, and whether they did'. value labels dcgelbuy 1 'Asked someone else to buy cigarettes from a shop, and they did' 2 'Asked someone else to buy cigarettes from a shop, and they didnt' 3 'Have not asked anyone to buy cigarettes from a shop'. DCGPRFR: (D) Bought cigarettes by a friend DCGPRFAM: (D) Bought cigarettes by a family member 0 No 1 Yes recode cgprfrsa (lo thru hi=copy) into dcgprfr. if any(1, cgprfrol, cgprfryo, cgprgb) dcgprfr =1. var lab dcgprfr '(D) Bought cigarettes by a friend'. val lab dcgprfr 0 'No' 1 'Yes'. recode cgprsib (lo thru hi=copy) into dcgprfam. if cgprpar= 1 dcgprfam =1. var lab dcgprfam '(D) Bought cigarettes by a family member'. val lab dcgprfam 0 'No' 1 'Yes'. SDD08 Derived Variables 16

17 DCGNUMB: (D) The number of different people who have bought cigarettes for respondent DCGNUMG: ((D) The number of different people who have bought cigarettes for respondent (grouped) 1 1 person 2 2 people 3 3 people 4 4 or more people count dcgnumb=cgprsib CgPrFrsa CgPrFrol CgPrFryo CgPrGb CgPrPar CgPrOtad CgPrStr CgPrOth (1). if any (-9,CgPrSib,CgPrFrsa,CgPrFrol,CgPrFryo,CgPrGb,CgPrPar,CgPrOtad,CgPrStr,CgPrOth) dcgnumb=-9. if any (-8,CgPrSib,CgPrFrsa,CgPrFrol,CgPrFryo,CgPrGb,CgPrPar,CgPrOtad,CgPrStr,CgPrOth) dcgnumb=-8. if any (-1,CgPrSib,CgPrFrsa,CgPrFrol,CgPrFryo,CgPrGb,CgPrPar,CgPrOtad,CgPrStr,CgPrOth) dcgnumb=-1. var lab dcgnumb "(D) The number of different people who have bought cigarettes for respondent". recode dcgnumb (4 thru hi=4) (else=copy) into dcgnumg. variable labels dcgnumg "(D) The number of different people who have bought cigarettes for respondent (grouped)". value labels dcgnumg 1 '1 person' 2 '2 people' 3 '3 people' 4 '4 or more people'. Other smoking products DCGELEC: (D) e-cigs summary DCGSHIS: (D) shisha summary 1 Not aware 2 Never used 3 Used once or twice 4 Previously used 5 Sometimes use 6 Use every week recode CgElecEvr (1=2) (2=3) (3=4) (4=5) (5=6) (else=copy) into DCgElec. if cgelechd=2 dcgelec = 1. recode cgshevr (1=2) (2=3) (3=4) (4=5) (5=6) (else=copy) into DCgShis. if cgshhd=2 dcgshis = 1. var lab dcgelec "(D) e-cigs summary". var lab dcgshis "(D) shisha summary". val lab dcgelec dcgshis 1 "Not aware" 2 "Never used" 3 "Used once or twice" 4 "Previously used" 5 "Sometimes use" 6 "Use every week". SDD08 Derived Variables 17

18 Drinking Drinking Status DALLAST5: (D) When last had a drink (5 categories) 1 During the last week 2 One to four weeks ago 3 One to six months ago 4 More than six months ago 5 Never had a drink SPSS Syntax recode allast(1,2,3=1)(4,5=2)(6=3)(7=4)(-9,-8=copy) into dallast5. recode alevr(2=5)(-9,-8=copy) into dallast5. variable label dallast5 "(D) When last had a drink (5 categories)". value labels dallast5 1 "During the last week" 2 "One to four weeks ago" 3 "One to six months ago" 4 "More than six months ago" 5 "Never had a drink". DALLAST3: (D) When last drank alcohol (3 categories) 1 In last week 2 Before that 3 Never drunk alcohol recode dallast5 (1=1) (2 thru 4=2) (5=3) (else=copy) into dallast3. var lab dallast3 "(D) Last drank (grouped 3)". val lab dallast3 1 "In last week" 2 "Before that" 3 "Never drunk alcohol". DALFRQ3: (D) Usual drinking frequency in 3 categories 1 At least once a week 2 About once a month 3 Less frequently/never drinks recode dalfrq5(1=1)(2,3=2)(4,5=3)(else=copy) into dalfrq3. var lab dalfrq3 "(D) Usual drinking frequency (3 cat)". val lab dalfrq3 1 "At least once a week" 2 "At least once a month" 3 "Less frequently/never drinks". DALFRQ5: (D) Usual drinking frequency in 5 categories 1 At least once a week 2 About once a fortnight 3 About once a month 4 A few times a year 5 Doesn t drink SPSS Syntax compute dalfrq5=-1. recode alfreq(1,2,3=1)(4=2)(5=3)(6=4)(7=5)(-8,-9=copy) into dalfrq5. recode alevr(2=5)(-8,-9=copy) into dalfrq5. variable label dalfrq5 "(D) Usual drinking frequency (5 cat)". value labels dalfrq5 1 "At least once a week" 2 "About once a fortnight" 3 "About once a month" 4 "A few times a year" 5 "Doesn't drink". DALFRQ6: (D) Usual drinking frequency (6 cat split 2x/1x per week) 1 At least twice a week SDD08 Derived Variables 18

19 2 Once a week 3 About once a fortnight 4 About once a month 5 A few times a year 6 Doesn t drink compute dalfrq6=-1. recode alfreq(1,2=1)(3=2)(4=3)(5=4)(6=5)(7=6)(-8,-9=copy) into dalfrq6. recode alevr(2=6)(-8,-9=copy) into dalfrq6. var lab dalfrq6 "(D) Usual drinking frequency (6 cat split 2x/1x per week)". val lab dalfrq6 1 "At least twice a week" 2 "Once a week" 3 "About once a fortnight" 4 "About once a month" 5 "A few times a year" 6 "Doesn't drink". DALFRQ6X: (D) Usual drinking frequency (6 cat split don t/never) 1 At least once a week 2 About once a fortnight 3 About once a month 4 A few times a year 5 Doesn t drink now 6 Never drunk compute dalfrq6x=-1. recode alfreq(1,2,3=1)(4=2)(5=3)(6=4)(7=5)(-8,-9=copy) into dalfrq6x. recode alevr(2=6)(-8,-9=copy) into dalfrq6x. var lab dalfrq6x "(D) Usual drinking frequency (6 cat split don't/never)". val lab dalfrq6x 1 "At least once a week" 2 "About once a fortnight" 3 "About once a month" 4 "A few times a year" 5 "Doesn't drink now" 6 "Never drunk". DALFRQ8: (D) Usual drinking frequency in 8 categories 1 Almost everyday 2 About twice a week 3 About once a week 4 About once a fortnight 5 About once a month 6 A few times a year 7 Never drinks now 8 Never had a drink compute dalfrq8=-1. recode alfreq(1 thru 7=copy)(-8,-9=copy) into dalfrq8. recode alevr(2=8)(-8,-9=copy) into dalfrq8. var lab dalfrq8 "(D) Usual drinking frequency (8 cat)". val lab dalfrq8 1 "Amost every day" 2 "About twice a week" 3 "About once a week" 4 "About once a fortnight" 5 "About once a month" 6 "A few times a year" 7 "Never drinks now" 8 "Never had a drink". SDD08 Derived Variables 19

20 Units of drink in last week - New NAL7BR: (D) Units of beer drank in last 7 days - New NAL7SD: (D) Units of shandy drank in last 7 days - New NAL7WNSH: (D) Units of wine, martini or sherry drank in last 7 days - New NAL7SP: (D) Units of spirits drank in last 7 days - New NAL7PP: (D) Units of alcopops drank in last 7 days - New NAL7UT: (D) Units of alcohol drank in last 7 days - New SPSS Syntax compute Nal7br=0. if al7brpt>0 nal7br=nal7br+(al7brpt*2). if al7brhp>0 nal7br=nal7br+al7brhp. if al7brlg>0 nal7br=nal7br+(al7brlg*2). if al7brsm>0 nal7br=nal7br+(al7brsm*1.5). if al7brbt>0 nal7br=nal7br+(al7brbt*1.5). if al7beer=2 nal7br=0.5. if albrstr=2 nal7br=nal7br*1.5. count xbr=al7brpt al7brhp al7brlg al7brsm al7brbt(-9,-8). if xbr=5 any(al7beer,-8,-9) any(alevr,-8,-9) any(allast,-8,-9) nal7br=-9. var lab nal7br "(D) Units of beer drank in last 7 days - New". compute Nal7sd=0. if al7sdpt>0 nal7sd=nal7sd+al7sdpt. if al7sdhp>0 nal7sd=nal7sd+(al7sdhp*0.5). if al7shan=2 nal7sd=0.25. count xsd=al7sdpt al7sdhp al7sdlg al7sdsm(-9,-8). if xsd=4 any(al7shan,-8,-9) any(alevr,-8,-9) any(allast,-8,-9) nal7sd=-9. var lab nal7sd "(D) Units of shandy drank in last 7 days - New". recode al7wnshgs(0 thru hi=copy)(-9,-8=-9)(else=0) into nal7winsh. recode al7winsh(2=0.5)(-9,-8=-9) into nal7winsh. if nal7winsh>0 nal7winsh=nal7winsh*2. if any(alevr,-8,-9) any(allast,-8,-9) nal7winsh=-9. var lab nal7winsh "(D) Units of wine, martini or sherry drunk in last 7 days - New". recode al7spgs(0 thru hi=copy)(-9,-8=-9)(else=0) into nal7sp. recode al7spir(2=0.5)(-9,-8=-9) into nal7sp. if any(alevr,-8,-9) any(allast,-8,-9) nal7sp=-9. var lab nal7sp "(D) Units of spirits drank in last 7 days - New". compute NAL7PP=0. if al7ppcn>0 nal7pp=nal7pp+(al7ppcn*1.5). if al7ppbt>0 nal7pp=nal7pp+(al7ppbt*1.5). if al7pops=2 nal7pp=0.75. count xpp=al7ppcn al7ppbt(-8,-9). if xpp=2 any(al7pops,-8,-9) any(alevr,-8,-9) any(allast,-8,-9) nal7pp=-9. var lab nal7pp "(D) Units of alcopops drank in last 7 days - New". compute nal7ut=nal7br+nal7sd+nal7wnsh+ NAL7SP+NAL7PP. if any(-9,nal7br,nal7sd,nal7wnsh,nal7sr,nal7sp,nal7pp,alevr,allast) nal7ut=-9. if any(-8,alevr,allast) nal7ut=-9. var lab nal7ut "(D) Units of alcohol drank in last 7 days - New". SDD08 Derived Variables 20

21 NAL7UTG: (D) Units of alcohol in last 7 days, (4 cats) - New 1 less than 1 unit over the week 2 1 unit per week, less than 1 unit per day 3 1 unit per day, less than 2 units per day 4 2 units per day or more NAL7UTG8: (D) Units of alcohol drank in last 7 days, (8 cats) - New 1 0 units 2 <1 unit 3 1<2 units 4 2<4 units 5 4<6 units 6 6<10 units 7 10<15 units units recode NAL7UT (14 thru hi=4) (7 thru 14=3) (1 thru 7=2) (0 thru 1=1) (else=copy) into NAL7UTG. value labels nal7utg 1 'less than one unit over the week' 2 '1 unit, less than 7 units in the week' 3 '7 units, less than 14 units in the week' 4 '14 units or more in the week'. var lab nal7utg "(D) Units of alcohol drank in last 7 days (grouped) - New". recode NAL7UT (0=1) (15 thru hi=8) (10 thru 15=7) (6 thru 10=6) (4 thru 6=5) (2 thru 4=4) (1 thru 2=3) (0 thru 1=2) (else=copy) into NAL7UTG8. value labels nal7utg8 1 '0 units' 2 'less than 1 unit' 3 '1 unit, less than 2 units' 4 '2 units, less than 4 units' 5 '4 units, less than 6 units' 6 '6 units, less than 10 units' 7 '10 units, less than 15 units' 8 '15 or more units'. var lab nal7utg8 "(D) Units of alcohol drank in last 7 days (8 cats) - New". Obtaining alcohol DAL4SHP: (D) Tried to buy alcohol from shop in last 4 weeks 1 Yes 2 No recode altryshp(-9 thru hi=copy) into dal4shp. recode altry4(-9,-8,2=copy) into dal4shp. var lab dal4shp "(D) Tried to buy alcohol from shop in last 4 weeks". val lab dal4shp 1 "Yes" 2 "No". DAL4PUB: (D) Tried to buy alcohol from pub in last 4 weeks 1 Yes 2 No recode altrypub(-9 thru hi=copy) into dal4pub. recode altry4(-9,-8,2=copy) into dal4pub. var lab dal4pub "(D) Tried to buy alcohol from pub in last 4 weeks". val lab dal4pub 1 "Yes" 2 "No". SDD08 Derived Variables 21

22 DALSHOP4: (D) Bought alcohol from shop in last four weeks 1 Yes 2 No DALPUB4: (D) Bought alcohol from pub in last four weeks 1 Yes 2 No recode dal4shp (lo thru hi=copy) into dalshop4. if alacbs4= 1 dalshop4=1. if alacbs4= 2 dalshop4=2. if alacbs4= -9 dalshop4=-9. var lab dalshop4 '(D) Bought alcohol in a shop in the last 4 weeks'. val lab dalshop4 1 'Yes' 2 'No'. recode dal4pub (lo thru hi=copy) into dalpub4. if alacbp4= 1 dalpub4=1. if alacbp4= 2 dalpub4=2. if alacbp4= -9 dalpub4=-9. var lab dalpub4 '(D) Bought alcohol in a pub in the last 4 weeks'. val lab dalpub4 1 'Yes' 2 'No'. DALTRY4W: (D) Tried to or obtained any alcohol in last four weeks DALGOT4W: (D) Any alcohol obtained in last four weeks 1 Yes 2 No COMPUTE daltry4w=-1. IF any(2, dal4shp, dal4pub, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth, AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) daltry4w=2. IF any(-9, dal4shp, dal4pub, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth, AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) daltry4w=-9. IF any(-8, dal4shp, dal4pub, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth, AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) daltry4w=-8. IF any(1, dal4shp, dal4pub, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth, AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) daltry4w=1. VARIABLE LABELS daltry4w '(D) Tried to or obtained any alcohol in last four weeks'. VALUE LABELS daltry4w 1 'Yes' 2 'No'. COMPUTE dalgot4w=-1. IF any(2, dalshop4, dalpub4, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth, AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) dalgot4w=2. IF any(-9, dalshop4, dalpub4, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth, AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) dalgot4w=-9. IF any(-8, dalshop4, dalpub4, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth, AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) dalgot4w=-8. IF any(1, dalshop4, dalpub4, altryels, AlGivPar, AlGivSib, AlGivRel, AlGivFre, AlGivOth, AlTakHom, AlStlHom, AlTakFre, AlStlFre, AlStlOth) dalgot4w=1. VARIABLE LABELS dalgot4w '(D) Any alcohol obtained in last four weeks'. VALUE LABELS dalgot4w 1 'Yes' 2 'No'. SDD08 Derived Variables 22

23 DALDAYP: (D) Number of days been in a pub in last 4 weeks 0 None 1 One 2 Two recode aldaypub(1=1)(2=2)(3,4=3)(5 thru 8=4)(9 thru hi=5)(-9,-8=copy) into daldayp. recode albnpub(2=0)(-9,-8=copy) into daldayp. var lab daldayp "(D) Number of days been in a pub in last 4 weeks". val lab daldayp 0 "None" 1 "One" 2 "Two" 3 "3-4" 4 "5-8" 5 "9+". DALDAYD: (D) Number of days drunk in a pub in last 4 weeks 0 None 1 One 2 Two recode aldaydru(1=1)(2=2)(3,4=3)(5 thru 8=4)(9 thru hi=5)(-9,-8=copy) into daldayd. recode albnpub(2=0)(-9,-8=copy) into daldayd. recode aldrupub(2=0)(-9,-8=copy) into daldayd. var lab daldayd "(D) Number of days drunk in a pub in last 4 weeks". val lab daldayd 0 "None" 1 "One" 2 "Two" 3 "3-4" 4 "5-8" 5 "9+". Consequences of drinking DAL4DRU: (D) Grouped amount of times been drunk in last 4 weeks. 1 Drank alcohol but not been drunk 2 Once or twice times 4 More than 10 times 5 Not drunk alcohol in the past 4 weeks recode al4wfrq (0 = 1) (1, 2 = 2) ( 3 thru 10 = 3) (10 thru hi = 4) (-1 = 5) (Else = COPY) into DAl4Dru. if dallast5>2 dal4dru=5. if dallast5<0 dal4dru=dallast5. Variable labels DAl4Dru "(D) Grouped amount of times been drunk in last 4 weeks". value labels DAl4Dru 1 "Drank alcohol but not been drunk" 2 "Once or twice" 3 "3-10 times" 4 "More than 10 times" 5 "Not drunk alcohol in the past 4 weeks". SDD08 Derived Variables 23

24 Family attitudes to drinking DALFAM: (D) Family attitudes to pupil drinking 1 Don t/wouldn t like pupil drinking 2 Don t/wouldn t mind pupil drinking 3 Do/would let pupil drink as much as they like if alevr = -9 alfreq=-9 DAlFam = -9. recode AlParSt (1 thru 3,-9,-8=copy) into DAlFam. recode AlPar (1 thru 3,-9,-8=copy) into DAlFam. recode AlParKnw (1 thru 3,-9,-8=copy) into DAlFam. var lab DAlFam '(D) Family attitudes to pupil drinking'. val lab DAlFam 1 'Dont / wouldnt like pupil drinking' 2 'Dont / wouldnt mind pupil drinking' 3 'Do/would let pupil drink as much as they like'. FAMDRIN: (D) Number of other drinkers in pupils home 0 None 1 One 2 Two 3 Three or more recode alwhodr (0=0) (1=1) (2=2) (3 thru hi=3) (else = COPY) into famdrin. var lab famdrin '(D) Number of other drinkers in pupils home'. val lab famdrin 0 'None' 1 'One' 2 'Two' 3 'Three or more'. DALFAMKNW: (D) Does family know that pupil drinks alcohol (2 cat) 1 Family knows 2 Family doesn't know 99 Not applicable - never drunk alcohol recode alpar (1 thru 3=1) (4=2) (else = COPY) into dalfamknw. if alfreq = 7 dalfamknw = 99. if alevr = 2 dalfamknw = 99. var lab dalfamknw "(D) Does family know that pupil drinks alcohol (2 cat)". val lab dalfamknw 1 "Family knows" 2 "Family doesn't know" 99 ' Not applicable - never drunk alcohol'. Energy drinks DALENEAL (D) Ever drinks alcohol with energy drinks 1 Never drinks alcohol 2 Never drinks alcohol with energy drinks 3 Sometimes drinks alcohol with energy drinks 4 Never drink energy drinks recode AlEneAl(1 thru 3=copy)(-9,-8=copy) into DAlEneAl. recode AlEneEvr(2=4)(-9,-8=copy) into DAlEneAl. var lab DAlEneAl "(D) Ever drinks alcohol with energy drinks". val lab DAlEneAl 1 "Never drinks alcohol" 2 "Never drinks alcohol with energy drinks" 3 "Sometimes drinks alcohol with energy drinks" 4 "Never drink energy drinks". SDD08 Derived Variables 24

25 Drugs Awareness and knowledge of drugs DGHDSTM: (D) Heard of any stimulants DGHDPSY: (D) Heard of any psychedelics DGHDOPI: (D) Heard of any opiates DGHDANY: (D) Heard of any drugs (excluding volatile substances) 1 Heard of 2 Not heard of SPSS Syntax compute dghdstm=-1. if any(2,dghdamp,dghdecs,dghdpop,dghdcrk,dghdcok,dghdmph) dghdstm=2. if any(-9,dghdamp,dghdecs,dghdpop,dghdcrk,dghdcok,dghdmph) dghdstm=-9. if any(-8,dghdamp,dghdecs,dghdpop,dghdcrk,dghdcok,dghdmph) dghdstm=-8. if any(1,dghdamp,dghdecs,dghdpop,dghdcrk,dghdcok,dghdmph) dghdstm=1. compute dghdpsy=-1. if any(2,dghdmsh,dghdlsd,dghdket) dghdpsy=2. if any(-9,dghdmsh,dghdlsd,dghdket) dghdpsy=-9. if any(-8,dghdmsh,dghdlsd,dghdket) dghdpsy=-8. if any(1,dghdmsh,dghdlsd,dghdket) dghdpsy=1. compute dghdopi=-1. if any(2,dghdher,dghdmth) dghdopi=2. if any(-9,dghdher,dghdmth) dghdopi=-9. if any(-8,dghdher,dghdmth) dghdopi=-8. if any(1,dghdher,dghdmth) dghdopi=1. compute dghdany=-1. if any(2,dghdcan,dghdamp,dghdlsd,dghdecs,dghdpop,dghdtrn,dghdher, dghdmsh,dghdmth,dghdcrk,dghdcok,dghdket,dghdmph,dghdoth) dghdany=2. if any(-9,dghdcan,dghdamp,dghdlsd,dghdecs,dghdpop,dghdtrn,dghdher, dghdmsh,dghdmth,dghdcrk,dghdcok,dghdket,dghdmph,dghdoth) dghdany=-9. if any(-8,dghdcan,dghdamp,dghdlsd,dghdecs,dghdpop,dghdtrn,dghdher, dghdmsh,dghdmth,dghdcrk,dghdcok,dghdket,dghdmph,dghdoth) dghdany=-8. if any(1,dghdcan,dghdamp,dghdlsd,dghdecs,dghdpop,dghdtrn,dghdher, dghdmsh,dghdmth,dghdcrk,dghdcok,dghdket,dghdmph,dghdoth) dghdany=1. var lab dghdstm "(D) Heard of any stimulants". var lab dghdpsy "(D) Heard of any psychedelics". var lab dghdopi "(D) Heard of any opiates". var lab dghdany "(D) Heard of any drugs (excluding volatile substances)". val lab dghdstm to dghdany 1 "Heard of" 2 "Not heard of". SDD08 Derived Variables 25

26 Access to drugs XDGOFCAN: (D) Offered cannabis XDGOFAMP: (D) Offered amphetamines XDGOFLSD: (D) Offered LSD XDGOFECS: (D) Offered ecstasy XDGOFPOP: (D) Offered poppers XDGOFTRN: (D) Offered tranquillisers XDGOFHER: (D) Offered heroine XDGOFMSH: (D) Offered magic mushrooms XDGOFMTH: (D) Offered methadone XDGOFCRK: (D) Offered crack XDGOFCOK: (D) Offered cocaine XDGOFKET: (D) Offered ketamine XDGOFMPH: (D) Offered mephedrone XDGOFGAS: (D) Offered glue, gas or other solvents XDGOFOTH: (D) Offered other drugs 1 Offered 2 Not offered do repeat xxx=dgofcan dgofamp dgoflsd dgofecs dgofpop dgoftrn dgofher dgofmsh dgofmth dgofcrk dgofcok dgofket dgofmph dgofgas dgofoth /yyy=xdgofcan xdgofamp xdgoflsd xdgofecs xdgofpop xdgoftrn xdgofher xdgofmsh xdgofmth xdgofcrk xdgofcok xdgofket xdgofmph xdgofgas xdgofoth /zzz=dghdcan dghdamp dghdlsd dghdecs dghdpop dghdtrn dghdher dghdmsh dghdmth dghdcrk dghdcok dghdket dghdmph dghdgas dghdoth. compute yyy=xxx. recode zzz(2,-9,-8=copy) into yyy. end repeat. execute. var lab xdgofcan "Offered cannabis". var lab xdgofamp "Offered amphetamines". var lab xdgoflsd "Offered lsd". var lab xdgofecs "Offered ecstasy". var lab xdgofpop "Offered poppers". var lab xdgoftrn "Offered tranquilisers". var lab xdgofher "Offered heroin". var lab xdgofmsh "Offered magic mushrooms". var lab xdgofmth "Offered methadone". var lab xdgofcrk "Offered crack". var lab xdgofcok "Offered cocaine". var lab xdgofket "Offered ketamine". var lab xdgofmph "Offered mephedrone". var lab xdgofgas "Offered glue, gas or other solvents". var lab xdgofoth "Offered other drugs". val lab xdgofcan to xdgofoth 1 "Offered" 2 "Not offered". SDD08 Derived Variables 26