Table 1.
Crude conditional logistic regression odds ratios (ORs) (95% confidence intervals [CIs] for suicide relative to potential risk factors
| Risk factor | Controls No. (%) | Case-persons No. (%) | OR (95% CI) |
|---|---|---|---|
| Work | |||
| In work | 2,865 (93.0) | 215 (7.0) | 1.00 |
| Out of work | 2,483 (88.6) | 321 (11.5) | 2.15 (1.75-2.66) |
| Social class | |||
| Upper white | 728 (91.9) | 64 (8.1) | 1.00 |
| Lower white | 771 (90.0) | 86 (10.0) | 1.27 (0.91-1.78) |
| Skilled blue | 2,069 (90.5) | 217 (9.5) | 1.19 (0.89-1.59) |
| Unskilled blue | 1,780 (91.3) | 169 (8.7) | 1.07 (0.79-1.46) |
| Exposure to solvents | |||
| No | 1,483 (91.0) | 146 (9.0) | 1.00 |
| Yes | 3,865 (90.8) | 390 (9.2) | 1.03 (0.84-1.25) |
| Exposure to sunlight | |||
| No | 2,824 (91.8) | 254 (8.3) | 1.00 |
| Yes | 2,524 (90.0) | 282 (10.1) | 1.25 (1.04-1.50) |
| Location in United States | |||
| East | 3,251 (60.8) | 272 (50.7) | 1.00 |
| West | 2,097 (39.2) | 264 (49.3) | 1.56 (1.30-1.89) |