Summary of characteristics of participants in the Whitehall II study (London) and the Helsinki health study (Helsinki)
| London | Helsinki | |
|---|---|---|
| Number of participants | 5301 | 4287 |
| Number of neighbourhoods | 863 | 223 |
| Population in neighbourhood | ∼8000 | ∼4000 |
| Mean (min-max) number of study participants per neighbourhood | 6 (1–48) | 19 (1–108) |
| Individual level data | ||
| Men (%) | 61 | 21 |
| Age (mean (SD)) | 50 (6) | 50 (7) |
| Socioeconomic position (%) | ||
| High non-manual | 31 | 32 |
| Middle non-manual | 46 | 18 |
| Low non-manual | 23 | 36 |
| Manual | 0 | 14 |
| Less than good self rated health (%) | 27 | 26 |