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Statistical Directorate Public Health Improvement Division Cath Roberts & Rachel Dolman Welsh Assembly Government.

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Presentation on theme: "Statistical Directorate Public Health Improvement Division Cath Roberts & Rachel Dolman Welsh Assembly Government."— Presentation transcript:

1 Statistical Directorate Public Health Improvement Division Cath Roberts & Rachel Dolman Welsh Assembly Government

2 Statistical Directorate Public Health Improvement Division Contents 1.Background 2.Data collection 3.Response 4.Results 5.Future plans Further information & contacts

3 Statistical Directorate Public Health Improvement Division 1. Background Continuous survey on the Welsh populations health status, health- related lifestyle and health service use Aims: –Provide estimates at Wales & local authority level, and for sub-groups –Inform and monitor health targets, indicators and policies –Information for NHS resource allocation in Wales Contract for 2003 – 2006 (and ) fieldwork awarded to the National Centre for Social Research (NatCen)

4 Statistical Directorate Public Health Improvement Division 2: Data collection Aim for achieved sample over each year: –15,000 adults –3,500 children –minimum of 600 adults per local authority Mode of data collection:

5 Statistical Directorate Public Health Improvement Division 3. Response Response rates (first twelve months) –households 74% –self completion adults 85% children 87% Achieved sample size i.e. number of questionnaires received (first twelve months) –16,300 adults – 4,300 children

6 Statistical Directorate Public Health Improvement Division 4. Results 4.1Publication schedule 4.2Some 2003/04 results

7 Statistical Directorate Public Health Improvement Division 4.1 Results: publication schedule Annual report –2003/04 report published July 2005 –2004/05 report to be published August 2006 Local authority information –rolling 2-year basis –2003/05 report due September 2006 Dataset –2003/05 dataset available through UK data archive by end 2006

8 Statistical Directorate Public Health Improvement Division 4.2 Some 2003/04 results

9 Statistical Directorate Public Health Improvement Division Health status, illnesses and other conditions

10 Statistical Directorate Public Health Improvement Division % of adults who reported being treated for various illnesses, or having certain conditions, 2003/04

11 Statistical Directorate Public Health Improvement Division % who reported being treated for one illness, or two or more illnesses, by age, 2003/04

12 Statistical Directorate Public Health Improvement Division Age-standardised % of adults who reported being treated for arthritis, by local authority, 2003/04 (provisional)

13 Statistical Directorate Public Health Improvement Division Age-standardised % of adults who reported a limiting long-term illness, by National Statistics Socio-economic Classification of the household reference person, 2003/04

14 Statistical Directorate Public Health Improvement Division Health-related lifestyle

15 Statistical Directorate Public Health Improvement Division % who reported binge-drinking alcohol on at least one day in the past week, by age and sex, 2003/04

16 Statistical Directorate Public Health Improvement Division Self-reported smoking status of adults, by sex, 2003/04

17 Statistical Directorate Public Health Improvement Division % of adults who were obese, by age and sex, 2003/04

18 Statistical Directorate Public Health Improvement Division Age-standardised % of adults who met physical activity guidelines, by local authority, 2003 /04 (provisional)

19 Statistical Directorate Public Health Improvement Division Use of health services

20 Statistical Directorate Public Health Improvement Division % of adults who reported using selected health services in the past twelve months, 2003/04

21 Statistical Directorate Public Health Improvement Division 5. Future plans Current survey fieldwork phase ends October 2006 Next phase of fieldwork starting January 2007 –NatCen awarded contract for 2007 and 2008 fieldwork Current WHS will be reviewed –Design wont change much –Some adult questions may change –Major changes to the childrens health questionnaire

22 Statistical Directorate Public Health Improvement Division 5.1 Data collection for children Feasibility study and user consultation in 2004 examined alternative approaches and potential for broader child survey –identified a need for more information –suggested extending WHS Need to test whether extending data collection for children affected response to the survey Extended data collection for children tested quarter ending January 2006

23 Statistical Directorate Public Health Improvement Division 5.2 Design of experiment Split sample experiment as part of normal fieldwork –randomly allocate half the addresses in an interviewers workload to… –sample A: follow normal WHS procedure –sample B: extended data collection for max of 2 children Topics covered –normal WHS asks about illness and accidents –experiment included general health & well-being, physical activity, infant feeding, eating habits, heights & weights and service use

24 Statistical Directorate Public Health Improvement Division 5.3 Results of experiment: response Response achieved for measurements for eligible children in co-operating households of sample B: –height 70% –weight 70% Response Sample A (usual survey procedure) Sample B (extended survey for children) Outcome Eligible noResponse rateEligible noResponse rate 1, %1, % Not a real difference Adults 2, %2, % Children % %Sig difference

25 Statistical Directorate Public Health Improvement Division 5.4 Results of the experiment: summary Response –household and adult response unchanged –slightly lower achieved sample of children Cost –interviewers at household for 20 minutes longer Better dataset –able to calculate good estimates of childhood obesity –richer dataset for children Implement extended collection from 2007

26 Statistical Directorate Public Health Improvement Division Further information Websites: ection/health/health-survey/health-survey.htm contacts:


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