Exposure group | Study 1 | Study 2 | Pooled | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Population controls | Cancer controls | All controls, weighted | Males | Females | Population controls | |||||
na | ORb(95% CI) | OR (95% CI) | OR (95% CI) | n | OR (95% CI) | n | OR (95% CI) | n | OR (95% CI) | |
Cotton dust | ||||||||||
All subjects | 66 | 1.4 (0.9-2.3) | 1.0 (0.7-1.4) | 1.2 (0.8-1.7) | 108 | 1.4 (1.0-2.0) | 131 | 1.0 (0.7-1.5) | 305 | 1.2 (1.0-1.5) |
Never/Low smokersc | 8 | 0.7 (0.3-2.0) | 0.7 (0.3-1.6) | 0.7 (0.3-1.6) | 15 | 2.1 (1.1-4.2) | 12 | 0.9 (0.4-1.9) | 37 | 1.0 (0.7-1.6) |
Medium/High Smokersc | 58 | 2.1 (1.1-4.0) | 1.1 (0.7-1.6) | 1.4 (0.9-2.2) | 91 | 1.3 (0.8-1.8) | 119 | 1.0 (0.6-1.6) | 266 | 1.3 (1.0-1.7) |
Wool dust | ||||||||||
All subjects | 42 | 1.2 (0.7-2.3) | 0.8 (0.5-1.3) | 1.0 (0.6-1.6) | 46 | 0.9 (0.6-1.4) | 47 | 1.2 (0.7-2.0) | 135 | 1.0 (0.8-1.4) |
Never/Low smokersc | 4 | 1.0 (0.3-3.3) | 0.6 (0.2-1.8) | 0.7 (0.2-2.1) | 5 | 1.1 (0.4-3.0) | 6 | 1.2 (0.4-3.1) | 15 | 0.9 (0.5-1.7) |
Medium/HighSmokersc | 38 | 1.5 (0.7-3.2) | 0.9 (0.6-1.4) | 1.1 (0.6-1.9) | 40 | 0.9 (0.5-1.4) | 41 | 1.2 (0.6-2.4) | 119 | 1.0 (0.7-1.5) |