DATALOGGING Use and Utility

Transcription

1 DATALOGGING Use and Utility Anna McMillan, Bay Audiology, NZ Grant Searchfield, University of Auckland Mithila Durai, University of Auckland

2 Overview Literature on Datalogging Research Questions Part I: Audiologist Survey Summary Part II: Client Data WIP Study Design Results Implications

3 Literature Users tend to over-report on daily use Laplante-Levesque et al (2014) Datalogging: 10.5h/day vs. Self report: 11.8h/day Several short periods of use: lower use, higher overreport Timmer (2014 poster) No difference in use for mild vs moderate hearing loss 1h/day speech-in-noise, 7h/day quiet or speech-in-quiet Total daily use: Austria & Canada < USA & Belgium

4 Research Questions: Part I What do NZ Audiologists think about the usefulness of datalogging? How are NZ Audiologists currently using datalogging? In what ways could the clinical utility of datalogging be improved?

5 Summary NZ Audiologists think DL is useful! For multiple types of clients/patients Think it s fairly accurate Not so keen on auto-adjustments Age & Experience Like to have lots of detail available Would like MORE info and control Good ideas

6 Research Questions: Part II Does DL match clients self-reports about HA use? Are a client s hours of use A) predicted by their degree of hearing loss, self-rating of hearing ability and/or HHI score B) do they predict a client s level of satisfaction with HAs? Are there differences between adults who use manual HA controls and those who do not? Age, degree of hearing loss, previous HA experience, satisfaction Do clients with higher levels of hearing aid technology use manual controls less often than clients with lower levels of technology?

7 Study Design Prospective Study Cohort non-randomised/non-controlled study Parametric statistical analyses Convenience sampling Jan-June 2015 Inclusion Criteria Over 18yrs old with HI acquired as an adult Exclusion Criteria Current otologic condition or middle ear surgery

8 n = 8 Private sector Audiologists Age: 21-25, years Years of experience: 1-12yrs Gender: 7 females, 1 male

9 Measures Demographic questionnaire Self-estimate of severity: #/10 Self-rating of importance to improve hearing: #/10 MAPHAB Pre- and Post-Fitting Audiometry SADL and IOI-HA

10 Participants by Gender Results Worn Hearing Aids Before F 23% Yes 34% M 77% No 66% N=40

11 14 Participants by Age Group Under Period of difficulty hearing Less than 1 year 2-5 years 6-10 years years years years More than 30 years

12 db HL db HL Participants Right AC Thresholds Left AC Thresholds

13 120 SADL Total Scores across Participants X X X X X

14

15 How much have HAs changed your enjoyment of life? Worse 0% Very much better 36% No change 8% Slightly better 25% IOI-HA Were HAs worth it Not at all 3% Slightly 3% Moderately 5% Quite a lot better 31% Very much 64% Quite a lot 25%

16 Useage DL hours vs. self-report High correlation both at First follow-up (r 0.8) and Finalisation (r 0.8) Program use vs. self-report Self-report was slightly higher than datalogging Datalogging did not agree with self-report for one participant

17 Speech in loud noise Speech in 2% moderate noise 7% Resound Datalogging Environments Moderate Noise 10% Loud Speech 6% Loud Noise 7% Soft speech 37% Quiet 31% Results Bernafon Datalogging Environments Starkey Datalogging Environments Wind 1% Speech 17% Speech in Noise 40% Machine 1% Quiet 12% Noise 29% Quiet 41% Speech in Quiet 51% Loud Noise 5% Speech in Noise 3%

18 Audiologists None had applied Automatic or Manual Fine Tuning based on DL recommendations Confidence in DL reliability: 4-5 /5 Confidence in wearer s reliability: varied Other Confirm directionality working appropriately Confirm appropriateness of technology level

19 Question Did hearing aid venting relate to hearing aid satisfaction or hours of use?

20 Question Did hearing aid venting relate to hearing aid satisfaction or hours of use? NO: no significant difference between hearing aid venting (open, occluded) and SADL total score and Question 4 IOI-HA (Satisfaction)

21 Question Did previous hearing aid use relate to hours of use?

22 Question Did previous hearing aid use relate to hours of use? YES: Significant difference between previous hearing aid use and Datalogging hours of use/day Exp 10 hrs/d; Non Exp 8 hrs/d

23 Question Did living situation affect use? (live alone, live with partner, live with extended family)

24 Question Did living situation affect use? (live alone, live with partner, live with extended family) NO significant difference

25 Question Did hours of use relate to satisfaction?

26 Question Did hours of use relate to satisfaction? NO: No significant Pearson correlations for SADL total score & Datalogging hours of use/day

27 Question Were HAs worth it? Satisfaction and hours of use

28 Question Were HAs worth it? Satisfaction and hours of use Satisfaction - Hours use Maybe (too few n in < moderate satisfaction categories) Very Much, 12 A lot, 8

29 Manual Controls 10/40 had a VC 1 used once a week, 1 used every few days 25/40 had a PB 1 st FUp, use of P2: 10/40 (S-R), 14/40 (DL) 2 nd FUp, use of P2: 4/19 (S-R), 7/19 (DL)

30 Implications Datalogging was thought to be more reliable than self-report Client self report of program use can differ dramatically from actual use in some individuals Use of manual controls needs to be carefully explained & practiced

31 Limitations Not within client comparisons, cross sectional study Number of participants Generalisability

32 ? Questions