Smoking, Drinking and Drug Use among Young People in England

Transcription

1 UK Data Archive Study Number Smoking, Drinking and Drug Use among Young People, 2016 Smoking, Drinking and Drug Use among Young People in England 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... 7 TRUANTDV: (D) Ever truanted... 7 EXCLADV: (D) Ever excluded... 7 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... 8 DDWBCAT: (D) Wellbeing category... 8 Smoking... 9 Smoking in the last week... 9 CG7TOT: (D) Cigarettes smoked last week... 9 CG7TOTG: (D) Cigarettes smoked last week (grouped)... 9 CG7TOTG4: (D) Cigarettes smoked in the last week (4 groups)... 9 SDWKCIGG: (D) Cigarettes consumption (grouped)... 9 Smoking status DCGSTG6: (D) Recoded cigarette smoking status, 6 categories DCGSTG5: (D) Recoded cigarette smoking status, 5 categories DCGSTG3: (D) Cigarette smoking status (3 cat) Age started smoking DCGAGE: (D) Age first smoked cigarettes Family attitudes to smoking DCGFAM: (D) Family attitudes to pupil smoking DCGFAM4: (D) Family attitudes to smoking (4 categories) FAMSMOK: (D) Number of other smokers in pupils home DCGPPFR: (D) Have friends who smoke DCGPPFAM: (D) Have relatives who smoke DSMFHOME: (D) Whether household members smoke inside the home Giving up smoking STOPSMK: (D) Like to give up smoking altogether TRYSTOP: (D) Try to/like to give up smoking CGSTOPB: (D) Ease could stop smoking altogether (grouped) CGSTOPWB: (D) Ease could stop smoking for a week (grouped) CGLONGG: (D) Length of time as a regular smoker (grouped) DCGGUPAD: (D) Whether asked adult at school to help give up smoking DCGGUPFA: (D) Whether asked family or friends to help give up smoking DCGGUPNI: (D) Whether used nicotine products to help give up smoking DCGGUPGP: (D) Whether visited GP to help give up smoking DCGGUPHE: (D) Whether phoned NHS smoking helpline to help give up smoking DCGGUPST: (D) Whether used NHS stop smoking services to help give up smoking DCGGUPNO: (D) Whether not spent time with friends who smoke to help give up smoking DCGOFT: (D) Smoking status for giving up smoking Open and secret smokers DCGOPEN: (D) Whether an open or a secret smoker (2 categories) DCGSEC: (D) Open/Secret smoking status (6 categories) DCGTYPE: (D) Open/Secret smoking status (4 categories) Where children get cigarettes DCGGET: (D) Whether purchase cigarettes in shop DCGGETA: (D) Whether purchase cigarettes from other people CGDIFFG: (D) Ease of buying cigarettes from a shop (grouped) CGBUYNG: (D) Number of cigarettes bought on last occasion (grouped) DCGGETO: (D) Other sources of cigarettes for comparison over time Other smoking products DCGELEC: (D) e-cigs summary Drinking Drinking Status DALLAST5: (D) When last had a drink (5 categories) DALLAST3: (D) When last drank alcohol (3 categories) recode dallast5 (1=1) (2 thru 4=2) (5=3) (else=copy) into dallast SDD16 Derived Variables 2

3 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 DALFRQ5: (D) Usual drinking frequency in 5 categories DALFRQ6: (D) Usual drinking frequency (6 cat split 2x/1x per week) DALFRQ6X: (D) Usual drinking frequency (6 cat split don t/never) DALFRQ8: (D) Usual drinking frequency in 8 categories 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 NAL7UTG: (D) Units of alcohol in last 7 days, (4 cats) - New 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 DAL4PUB: (D) Tried to buy alcohol from pub in last 4 weeks DALSHOP4: (D) Bought alcohol from shop in last four weeks DALPUB4: (D) Bought alcohol from pub in last four weeks DALTRY4W: (D) Tried to or obtained any alcohol in last four weeks DALGOT4W: (D) Any alcohol obtained in last four weeks Consequences of drinking DAL4DRU: (D) Grouped amount of times been drunk in last 4 weeks Family attitudes to drinking DALFAM: (D) Family attitudes to pupil drinking FAMDRIN: (D) Number of other drinkers in pupils home DALFAMKNW: (D) Does family know that pupil drinks alcohol (2 cat) Drugs Awareness and knowledge of drugs DGHDSTM: (D) Heard of any stimulants DGHDPSY: (D) Heard of any psychedelics DGHDOPI: (D) Heard of any opiates DGHDANY14: (D) Heard of any drugs set DGHDANYVS14: (D) Heard of any drugs excluding volatile substances DGHDPS: (D) Heard of any psychoactive substances DGHDANY: (D) Heard of any drugs set DGHDANYPS: (D) Heard of any drugs excluding psychoactive substances 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 XDGOFLEG: (D) Offered legal highs XDGOFNOX: (D) Offered nitrous oxide XDGOFOTH: (D) Offered other drugs XDGOFSTM: (D) Offered any stimulants XDGOFPSY: (D) Offered any psychedelics XDGOFOPI: (D) Offered any opiates XDGOFPS: (D) Offered any psychoactive substances XDGOFANY14: (D) Offered any drugs (2014) XDGOFANY: (D) Offered any drugs (2016) XDGOFANYVS14: (D) Offered any drugs (2014 excluding volatile substances) XDGOFANYPS: (D) Offered any drugs (2016 excluding PS) When last took drugs DUSECAN: (D) Last used cannabis DUSEAMP: (D) Last used amphetamines DUSELSD: (D) Last used LSD DUSEECS: (D) Last used ecstasy DUSEPOP: (D) Last used poppers DUSETRN: (D) Last used tranquilisers DUSEHER: (D) Last used heroin DUSEMSH: (D) Last used magic mushrooms DUSEMTH: (D) Last used methadone DUSECRK: (D) Last used crack DUSECOK: (D) Last used cocaine SDD16 Derived Variables 3

4 DUSEKET: (D) Last used ketamine DUSEMPH: (D) Last used mephedrone DUSEGAS: (D) Last used glue DUSENOX: (D) Last used nitrous oxide DUSELEG: (D) Last used legal highs DUSEOTH: (D) Last used other drugs Ever taken drugs DEVRSTM: (D) Ever used stimulants DEVRPSY: (D) Ever used psychedelics DEVROPI: (D) Ever used opiates DEVRCLA: (D) Ever used class A drugs DEVRPS: (D) Ever used psychoactive substances DDGANY: (D) Ever used any drugs (2016) DDGANY14: (D) Ever used any drugs (2014) DDGANYVS14: (D) Ever used any drugs (2014 excluding volatile substance) DDGANYPS: (D) Ever used any drugs (2016 excluding psychoactive substances) Used drugs in last year DYRSTM: (D) Used stimulants in the last year DYRPSY: (D) Used psychedelics in the last year DYROPI: (D) Used opiates in the last year DYRCLA: (D) Used class A drugs in the last year DYRPS: (D) Used psychoactive substances DDGYRANY14: (D) Used any drugs in the last year (2014 set) DDGYRANYVS14: (D) Used any drugs in the last year (2014 excluding volatile substance) DDGYRANY: (D) Used any drugs in the last year (2016 set) DDGYRANYPS: (D) Used any drugs in the last year (2016 excluding psychoactive substances) Types of drug taken in last year 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 DMONSTM: (D) Used stimulants in the last month DMONPSY: (D) Used psychedelics in the last month DMONOPI: (D) Used opiates in the last month DMONCLA: (D) Used class A drugs in the last month DMONPS: (D) Used psychoactive substances in the last month DDGMONANY14: (D) Used any drugs in the last month (2014 set) DDGMONANY: (D) Used any drugs in the last month (2016 set) DDGMONANYVS14: (D) Used any drugs in the last month (2014 excluding volatile substance) DDGMONANYPS: (D) Used any drugs in the last month (2016 excluding psychoactive substances) DDGLAST3: (D) When last took drugs (3 categories) Drug taking experience DDGFQ8: (D) Usual frequency take drugs (8 cats) DDGFQ6: (D) Usual frequency take drugs (6 cats) DDGOC: (D) Number of occasions taken drugs First time took drugs DDGAGE: (D) Age first tried drugs DDGAGE11: (D) Age first tried drugs, group from DDGAGE12: (D) Age first tried drugs, group from DGAGECLA: (D) Age first took Class A drugs XXAGECAN: (D) Tried cannabis at age first tried drugs XXAGEAMP: (D) Tried amphetamines at age first tried drugs XXAGELSD: (D) Tried LSD at age first tried drugs XXAGEECS: (D) Tried ecstasy at age first tried drugs XXAGEPOP: (D) Tried poppers at age first tried drugs XXAGETRN: (D) Tried tranquillisers at age first tried drugs XXAGEHER: (D) Tried heroin at age first tried drugs XXAGEMSH: (D) Tried magic mushrooms at age first tried drugs XXAGEMTH: (D) Tried methadone at age first tried drugs XXAGECRK: (D) Tried crack at age first tried drugs XXAGECOK: (D) Tried cocaine at age first tried drugs XXAGEKET: (D) Tried ketamine at age first tried drugs XXAGEMPH: (D) Tried mephedrone at age first tried drugs XXAGEGAS: (D) Tried glue, gas, aerosols or other solvents at age first tried drugs XXAGENOX: (D) Tried nitrous oxide at age first tried drugs XXAGELEG: (D) Tried legal highs at age first tried drugs XXAGEOTH: (D) Tried other drugs at age first tried drugs DDGFIRST: (D) Drugs tried at age first tried drugs DDGFTTYP: (D) Type of drugs used on first occasion (cannabis/volatile substances/class A split) Last time took drugs DDGLTTYP: (D) Type of drugs used on last occasion (cannabis/volatile substances/class A split) DGSHAR1: (D) Last time used drugs with: Girlfriend/boyfriend DGSHAR2: (D) Last time used drugs with: Same sex friends DGSHAR3: (D) Last time used drugs with: Opposite sex friends DGSHAR4: (D) Last time used drugs with: Group friends of both sexes DGSHAR5: (D) Last time used drugs with: Parents DGSHAR6: (D) Last time used drugs with: Brother, sister or other relatives DGSHAR7: (D) Last time used drugs with: Someone else DGSHAR8: (D) Last time used drugs with: No-one DGSHARF: (D) Last time used drugs with: Any friends SDD16 Derived Variables 4

5 Legal highs XDGOFLEG: (D) Ever been offered legal highs DUSELEG: (D) Last used legal highs SDD16 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 fre age. recode age(10,11=11)(12=12)(13=13)(14=14)(15,16,17=15) (else = copy) into age1115. recode age(10,11,12=12)(13=13)(14=14)(15,16,17=15) (else = copy) into age1215. recode age(10,11,12,13=13)(14=14)(15,16,17=15) (else = copy) 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". add val lab age1115 age1215 age "Not answered" 98 "Multiple responses". fre age1115 age1215 age1315. 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' -8 "Don t know" -9 "Not answered". recode ethnicgpr (missing = 8). fre ethnicgpr. FAS_BANDS: (D) Family Affluence Scale in Three Categories recode Ownbed Famhols Famcomp Famcars (8 = -9). count valid = Ownbed Famhols Famcomp Famcars (1,2,3,4). count invalid = Ownbed Famhols Famcomp Famcars (-9). fre invalid. compute fas_filter = -9. if valid = 4 fas_filter = 1. fre fas_filter. compute fas_score = -9. if fas_filter = 1 fas_score = 1. recode famhols (1 = 0) (2 = 1) (3,4 = 2) into holscore. if fas_score = -9 holscore = -9. missing values holscore (-9). fre holscore. recode ownbed (1 = 1) (2 = 0) into bedscore. if fas_score = -9 bedscore = -9. missing values bedscore (-9). fre bedscore. recode famcomp (1 = 0) (2 = 1) (3,4 = 2) into compscore. if fas_score = -9 compscore = -9. missing values compscore (-9). fre compscore. recode famcars (1 = 0) (2 = 1) (3,4 = 2) into carscore. if fas_score = -9 carscore = -9. missing values carscore (-9). fre carscore. compute fas_score = holscore + bedscore + compscore + carscore. if fas_filter = -9 fas_score = -9. SDD16 Derived Variables 6

7 fre fas_score. recode fas_score (-9 = -9) (0,1,2,3 = 1) (4,5 = 2) (6,7 = 3) into fas_bands. missing values fas_bands (-9). val lab fas_bands 1 "Low" 2 "Medium" 3 "High". fre fas_bands. Truancy and exclusion TRUANTDV: (D) Ever truanted 1 Never truanted 2 Previously but not in last 12 months 3 Truanted in last 12 months recode truant12 (8 = -8) (else = copy). 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. if truant12 = -8 truantdv = -8. if truant12 = -1 truantdv = -1. if truant12 = -9 truantdv = -9. if truant=2 truantdv=1. 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'. add value labels truantdv -1 "Not applicable". add value labels truantdv -9 "Not answered". add value labels truantdv -8 "Don't know". fre truantdv. EXCLADV: (D) Ever excluded 1 Never excluded 2 Previously but not in last 12 months 2 Excluded in last 12 months 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. if excla12 = -8 excladv = -8. if excla12 = -1 excladv = -1. if excla12 = -9 excladv = -9. if excla=2 excladv=1. 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". fre excladv. add value labels excladv -1 "Not applicable". add value labels excladv -9 "Not answered". add value labels excladv -8 "Don't know". 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. SDD16 Derived Variables 7

8 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"'. add val lab DLIFWELL1 DLIFRGHT1 DLIFDIFF1 DLIFGOOD1 DLIFWANT1-8 "Don't know" -9 "Not answered". 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. if any (8, dlifwell1, dlifrght1, dlifdiff1, dlifgood1, dlifwant1) ddwbscore = -98. 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' -98 'Gave multiple answers to 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' -98 'Gave multiple answers to at least 1 of the statements - score cannot be generated'. SDD16 Derived Variables 8

9 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). fre sdwk. 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". add val lab cg7tot -8 "Don't know" -9 "Not answered". fre cg7tot. 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" -8 "Don't know" -9 "Not answered". 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" -8 "Don't know" -9 "Not answered". SDD16 Derived Variables 9

10 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'. add val lab dcgstg6 dcgstg5 dcgstg3-8 "Don t know" -9 "Not answered". 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". add val lab dcgage -1 "Not applicable" -9 "Not answered". SDD16 Derived Variables 10

11 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" -9 "Not answered". 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' -9 "Not answered". 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 pupil's home". val lab famsmok 0 'None' 1 'One' 2 'Two' 3 'Three or more' -1 "Not applicable". 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' -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable" -9 "Not answered". SDD16 Derived Variables 11

12 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' -9 "Not answered" -8 "Don't know". 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" -1 "Not applicable" -9 "Not answered". 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" -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable" -9 "Not answered". 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'. fre cgstopw. SDD16 Derived Variables 12

13 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' -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable" -9 "Not answered". SDD16 Derived Variables 13

14 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' -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable" -9 "Not answered". 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' -8 "Don't know" - 9 "Not answered". SDD16 Derived Variables 14

15 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' -8 "Don't know" -1 "Other not applicable" -9 "Not answered". 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" -9 "Not answered" -8 "Don't know". 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" -9 "Not answered". SDD16 Derived Variables 15

16 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" -1 "Not applicable" -9 "Not answered". 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' -1 "Not applicable". CGDIFFG: (D) Ease of buying cigarettes from a shop (grouped) 1 Difficult 2 Easy rename variables cgshop = cgdiff. rename variables cgshop2 = cgshop. 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' -9 "Not answered" -1 "Not applicable" -8 "Don't know". 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' -1 "Not applicable". SDD16 Derived Variables 16

17 Other smoking products DCGELEC: (D) e-cigs 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. var lab dcgelec "(D) e-cigs summary". val lab dcgelec 1 "Not aware" 2"Never used" 3"Used once or twice" 4 "Previously used" 5 "Sometimes use" 6 "Use every week" -9 "Not answered" -1 "Not applicable" -8 "Don't know". SDD16 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" -9 "Not answered". 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 missing values alfreq alevr (). 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 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. SDD16 Derived Variables 18

19 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". SDD16 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". fre Nal7br. 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". fre Nal7sd. 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". fre nal7winsh. 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". fre nal7sp. 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". fre nal7pp. compute nal7ut=nal7br+nal7sd+nal7winsh+nal7sp+nal7pp. if any(-9,nal7br,nal7sd,nal7winsh,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". fre nal7ut. SDD16 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 (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". SDD16 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'. SDD16 Derived Variables 22

23 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 do if alevrdnk = -9. recode alagednk al4wdru al4wfrq (-1 = -9). end if. do if alevrdnk = 2. recode al4wdru (else = 2). recode al4wfrq (else = 0). end if. if al4wdru = 2 al4wfrq = 0. 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". fre DAl4Dru. SDD16 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". SDD16 Derived Variables 24

25 Drugs Awareness and knowledge of drugs Updated 2016 to include psychoactive substances (PS): nitrous oxide and psychoactive substances (previously known as legal highs). Variable naming changed as follows: References to ANY drugs, consistent with 2014 (all drugs before PS included) renamed to ANY14. References to ANY drugs, 2014 drugs plus PS named ANY. Variables with categories EXCLUDED have category in the name - ANYVS14 - consistent with 2014 any drugs excluding volatile substances. ANYPS - consistent with 2016 ANY drugs but excluding psychoactive substances. DGHDSTM: (D) Heard of any stimulants DGHDPSY: (D) Heard of any psychedelics DGHDOPI: (D) Heard of any opiates DGHDANY14: (D) Heard of any drugs set DGHDANYVS14: (D) Heard of any drugs excluding volatile substances DGHDPS: (D) Heard of any psychoactive substances DGHDANY: (D) Heard of any drugs set DGHDANYPS: (D) Heard of any drugs excluding psychoactive substances 1 Heard of 2 Not heard of SPSS Syntax compute dghdany14=-1. If any(2, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdoth) dghdany14=2. if any(-9, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdoth) dghdany14=-9. if any(-8, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdoth) dghdany14=-8. if any(1, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdoth) dghdany14=1. fre dghdany14. compute dghdanyvs14=-1. if any(2, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph,dghdoth) dghdanyvs14=2. if any(-9, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop,dghdtrn,dghdher,dghdmsh,dghdmth,dghdcrk,dghdcok,dghdket,dghdmph,dghdoth) dghdanyvs14=-9. if any(-8, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdoth) dghdanyvs14=-8. if any(1, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdoth) dghdanyvs14=1. fre dghdanyvs14. compute dghdany=-1. if any(2, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdleg, dghdnox, dghdoth) dghdany=2. if any(-9, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdleg, dghdnox, dghdoth) dghdany=-9. if any(-8, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdleg, dghdnox, dghdoth) dghdany=-8. if any(1, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdleg, dghdnox, dghdoth) dghdany=1. SDD16 Derived Variables 25

26 fre dghdany. compute dghdanyps=-1. if any(2, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdoth) dghdanyps=2. if any(-9, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdoth) dghdanyps=-9. if any(-8, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdoth) dghdanyps=-8. if any(1, dghdcan, dghdamp, dghdlsd, dghdecs, dghdpop, dghdtrn, dghdher, dghdmsh, dghdmth, dghdcrk, dghdcok, dghdket, dghdmph, dghdgas, dghdoth) dghdanyps=1. fre dghdanyps1. 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. fre dghdstm. 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. fre dghdpsy. 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. fre dghdopi. compute dghdps = -1. if any(2,dghdleg,dghdnox) dghdps = 2. if any(-9,dghdleg,dghdnox) dghdps = -9. if any(-8,dghdleg,dghdnox) dghdps = -8. if any(1,dghdleg,dghdnox) dghdps = 1. fre dghdps. 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 dghdany14 "(D) Heard of any drugs set". var lab dghdanyvs14 "(D) Heard of any drugs excluding volatile substances". var lab dghdps "(D) Heard of any psychoactive substances". var lab dghdany "(D) Heard of any drugs set". var lab dghdanyps "(D) Heard of any drugs excluding psychoactive substances". val lab dghdstm dghdpsy dghdopi dghdany14 dghdanyvs14 dghdany dghdanyps dghdps 1 "Heard of" 2 "Not heard of". SDD16 Derived Variables 26