Adjusted3-150 conditional logistic regression ORs (95% CIs) for suicide relative to cumulative exposure to magnetic fields
| Exposure level (μT-years) | Cases | Controls | OR (95% CI) |
| Recent exposure: | |||
| 0 | 294 | 2353 | 1.00 |
| >0–0.029 | 58 | 796 | 1.19 (0.75 to 1.89) |
| 0.03–0.049 | 62 | 811 | 1.41 (0.85 to 2.34) |
| 0.05–0.11 | 62 | 719 | 1.63 (0.97 to 2.71) |
| ⩾0.12 | 60 | 669 | 1.70 (1.00 to 2.90) |
| Past 1–5 y: | |||
| 0 | 222 | 1857 | 1.00 |
| >0–0.10 | 75 | 624 | 1.25 (0.90 to 1.75) |
| 0.11–0.19 | 95 | 1338 | 1.12 (0.76 to 1.64) |
| 0.20–0.35 | 73 | 792 | 1.45 (0.97 to 2.17) |
| ⩾0.36 | 71 | 737 | 1.53 (1.01 to 2.31) |
| Past 5–10 y: | |||
| 0 | 202 | 1688 | 1.00 |
| >0–0.13 | 101 | 1254 | 0.71 (0.53 to 0.95) |
| 0.14–0.24 | 89 | 861 | 1.01 (0.74 to 1.39) |
| 0.25–0.43 | 42 | 450 | 0.91 (0.62 to 1.33) |
| ⩾0.44 | 102 | 1095 | 1.00 (0.73 to 1.38) |
| Past 10–20 y: | |||
| 0 | 157 | 1683 | 1.00 |
| >0–0.13 | 93 | 772 | 1.09 (0.78 to 1.53) |
| 0.14–0.32 | 98 | 909 | 1.14 (0.82 to 1.61) |
| 0.33–0.69 | 94 | 943 | 1.09 (0.77 to 1.55) |
| ⩾0.70 | 94 | 1041 | 1.05 (0.73 to 1.53) |
| Past >20 y: | |||
| 0 | 314 | 3044 | 1.00 |
| >0–0.18 | 57 | 522 | 0.91 (0.59 to 1.41) |
| 0.19–0.43 | 54 | 460 | 0.96 (0.60 to 1.53) |
| 0.44–1.04 | 55 | 588 | 0.81 (0.50 to 1.30) |
| ⩾1.05 | 56 | 734 | 0.72 (0.42 to 1.21) |
| Total exposure: | |||
| <0.25 | 133 | 1181 | 1.00 |
| 0.25–0.64 | 135 | 1212 | 1.26 (0.96 to 1.67) |
| 0.65–1.54 | 134 | 1474 | 1.13 (0.83 to 1.53) |
| 1.55–3.00 | 79 | 888 | 1.20 (0.83 to 1.71) |
| ⩾3.01 | 55 | 593 | 1.33 (0.89 to 2.01) |
↵3-150 Adjusted for the effects of work (active or out of work), social class, location in USA (east or west), and exposure to solvents and sunlight.