| Site 1 | Site 2 | Site 3 | Site 4 | Site 5 | Site 6 | Site 7 | Site 8 | Site 9 | |
| Population size* | Medium | Large | Small | Large | Medium | Medium | Medium | Small | Large |
| MINI score† | 94.2 | 117.8 | 100.9 | 101.0 | 93.0 | 90.8 | 105.6 | 103.8 | 100.7 |
| ONS group‡ | Growth area | Inner London | Coalfield | Manufacturing | Coast and country | Most prosperous | Ports and industry | Manufacturing | Mixed urban and rural |
| CAMHS inpatient unit in health authority area? | No | No | No | No | Yes | Yes | Yes | No | Yes |
CAMHS=child and adolescent mental health services.
*Small <350 000; medium 350 000 to 550 000; large >550 000. Mean population of nine health authorities=491 000.
†Mental Illness Needs Index.1 Mean MINI score of nine health authorities is 100.9 (mean MINI score of all health authorities=100)
‡Office for National Statistics classifies health authorities into 11 groups.2 Eight were represented by the health authorities in the sample.
References: 1. Glover GR, Robin E, Emami J, Arabscheibani
GR. A needs index for mental health care. Soc Psychiatry Psychiatr Epidemiol
1998;33:89-96; 2. Office for National Statistics. Key population and
vital statistics local and health authority areas. London: Stationery
Office, 1998.