Numbers of respondents (n), prevalence of common mental disorders (% cases CMD), and mean population densities (standard deviation) (persons aged 25–64 per square kilometre), for each of the 14 groups identified in the Office of National Statistics (ONS) Classification of Wards
| Group | n | Mean density (SD) | % Cases CMD |
|---|---|---|---|
| Metropolitan professionals | 310 | 2809 (1121) | 29.5 |
| Deprived city areas | 568 | 3954 (1500) | 29.4 |
| Deprived industrial areas | 454 | 1891 (882) | 27.7 |
| Low status owner occupiers | 508 | 1630 (1089) | 26.5 |
| Industrial areas | 941 | 1271 (710) | 25.8 |
| Mature populations | 651 | 1014 (679) | 25.1 |
| Inner city estates | 148 | 3128 (2293) | 25.0 |
| Middle Britain | 1400 | 1077 (724) | 25.0 |
| Transient population | 32 | 1258 (643) | 24.7 |
| Suburbia | 1318 | 1457 (826) | 24.6 |
| Rural fringes | 716 | 457 (606) | 24.1 |
| Established owner occupiers | 1054 | 752 (691) | 21.6 |
| Prosperous areas | 564 | 217 (301) | 20.6 |
| Rural areas | 269 | 23 (19) | 18.8 |