Table 2.
Characteristics of the HealthWise Wales cohort and population data from published sources for Wales
| Characteristic | HealthWise Wales | Population data for Wales from published sources |
| Total who have completed registration form | 21 779 | |
| Age group | ||
| 16–24 years | 10% | 14%* |
| 25–44 years | 30% | 29% |
| 45–64 years | 38% | 32% |
| 65+ years | 22% | 25% |
| Completed by (% of those registered) | n=21 746 (99%) | |
| Sex | ||
| Male | 28% | 49%† |
| Female | 72% | 51% |
| Completed by (% of those registered) | n=21 737 (99%) | |
| Ethnic group | ||
| White | 98% | 98%‡ |
| Other | 2% | 2% |
| Completed by (% of those registered) | n=14 912 (69%) | |
| Standard occupational classification§ | ||
| 1. (Higher managerial, administrative and professional occupations) | 50% | 27%¶ |
| 2. (Intermediate occupations) | 18% | 21% |
| 3. (Routine and manual occupations) | 11% | 37% |
| Other (Never-worked, long-term unemployed and full-time students) | 21% | 15% |
| Completed by (% of those completing questionnaire) | n=13 268 (97%) | |
| Physical activity (GPPAQ) | ||
| Active | 35% | No comparable |
| Moderately active | 21% | data found |
| Moderately inactive | 15% | |
| Inactive | 29% | |
| Completed by (% of those completing questionnaire) | n=13 647 (98%) | |
| Smoking | ||
| Current smoker | 10% | 19%** |
| Ex-smoker | 35% | 29% |
| Never smoked | 55% | 52% |
| Completed by (% of those completing questionnaire) | n=13 881 (99%) | |
| Binge drinking in past week | 23% | 24%†† |
| Completed by (% of those completing questionnaire) | n=12 229 (88%) | |
| Drinking alcohol above guideline levels: | 50% | 40%†† |
| Completed by (% of those completing questionnaire) | n=12 229 (88%) | |
| Mental Health Inventory (MHI-5) score | ||
| Score consistent with common mental disorder‡‡ | 28% | |
| Completed by (% of those completing questionnaire) | n=13 694 (99%) | |
| Diagnosed with or treated for a mental health condition? | 32% | 13%§§ |
| Completed by (% of those completing questionnaire) | n=13 837 (99%) | |
*Mid-year population estimates for Wales 2017, Office for National Statistics (from StatsWales, https://statswales.gov.wales/).
†Mid-year population estimates for individuals aged 16+ years in Wales 2017, Office for National Statistics (from StatsWales).
‡Population estimates for individuals aged 16+ years in Wales 2011, Office for National Statistics (from StatsWales).
§Using the National Statistics Socioeconomic Classification (NS-SEC, Office for National Statistics).
¶Population estimates for individuals aged 16–74 years in Wales, 2011 UK Census.
**Estimates for individuals 16+ years from the National Survey for Wales 2017–2018 (https://gov.wales/statistics-and-research/national-survey/?tab=el_home&topic=population_health&lang=en).
††Data for individuals aged 16+ years from the Welsh Health Survey 2015.
‡‡Kelly MJ, Dunstan FD, Lloyd K and Fone D. (2008) Evaluating cut-points for the MHI-5 and MCS using the GHQ-12: a comparison of five different methods. BMC Psychiatry 2008, 8:10.
§§Data for individuals aged 16+ years from the Welsh Health Survey 2015; asked whether they were currently being treated for ‘depression, anxiety or another mental health illness’.
BMC, BioMedCentral; GHQ-12, General Health Questionnaire; GPPAQ, General Practice Physical Activity Questionnaire; MCS, Mental Health Component Summary Score; MHI-5, Five-item Mental Health Inventory; NIHR, National Institute for Health Research.