Table 1 Basic characteristics of study subjects and regions.
| Â | Â | Men | Women |
|---|---|---|---|
Individual variable (20030 men and 21076 women) | |||
Age (mean, range: years) | 42.9 (25–59) | 42.9 (25–59) | |
Marital status (N, %) | Married | 14701 (73.4) | 16208 (76.9) |
| Â | Single | 4635 (23.1) | 3217 (15.3) |
| Â | Separated | 137 (0.7) | 541 (2.6) |
| Â | Divorced | 557 (2.8) | 1110 (5.3) |
Occupation a (N, %) | Profession | 3747 (18.7) | 2243 (10.6) |
| Â | Manager | 1736 (8.7) | 310 (1.5) |
| Â | Clerk | 1776 (8.9) | 3051 (14.5) |
| Â | Sales work | 1972 (9.8) | 1785 (8.5) |
| Â | Service work | 1697 (8.5) | 2242 (10.6) |
| Â | Agriculture | 680 (3.4) | 535 (2.5) |
| Â | Transport | 1063 (5.3) | 80 (0.4) |
| Â | Labour | 4752 (23.7) | 2167 (10.3) |
| Â | Housework | 28 (0.1) | 5765 (27.4) |
| Â | Others | 2579 (12.9) | 2898 (13.8) |
Income quintile (median: thousand yen) | 5th (highest) | 6035 | |
| Â | 4th | 4000 | |
| Â | 3rd | 2989 | |
| Â | 2nd | 2200 | |
| Â | 1st (lowest) | 1250 | |
Regional variable (60 prefectures and metropolitan cities) | Â | Â | |
Per capita income (mean, range: thousand yen) | 1423.4 (865–2042) | ||
Unemployment rate (mean, range: %) | 4.68 (3.0–9.4) | ||