Exposure and duration | Cases (n) | Controls (n) | OR | 95% CI |
Organic solvents (y):3-150 | ||||
Zero | 146 | 175 | 1.0 | |
1–7 | 9 | 13 | 0.88 | 0.34 to 2.3 |
8–14 | 11 | 13 | 1.0 | 0.41 to 2.3 |
15–20 | 35 | 25 | 2.1 | 1.1 to 4.0 |
Uncertain | 25 | 25 | 1.2 | 0.65 to 2.1 |
Electromagnetic fields (y):3-151 | ||||
Zero | 151 | 182 | 1.0 | |
1–7 | 10 | 13 | 1.1 | 0.44 to 2.6 |
8–14 | 10 | 14 | 0.83 | 0.33 to 2.1 |
15–20 | 35 | 22 | 2.3 | 1.2 to 4.5 |
Uncertain | 20 | 20 | 1.4 | 0.71 to 2.7 |