Table 3.
Reported Pesticide, Fertilizers Exposure, and Prostate Cancer Risk Among Farmers
| Study | Cases (n) | Controls (n) |
Cases exposed (n) |
Controls exposed (n) |
OR (95% CI), Pesticide exposed vs. nonexposed |
Cases exposed (n) |
Controls exposed (n) |
OR (95% CI) |
|---|---|---|---|---|---|---|---|---|
| Checkoway et al. (1987) | 30 | 24 | 4 | 4 | 0.77 (0.17–3.46) | |||
| van der Gulden et al. (1995) | 64 | 259 | 19 | 73 | 1.08 (0.59–1.96) | 27 | 102 | 1.12 (0.64–1.96) |
| Ewings et al. (1996) | 40 | 106 | 15 | 54 | 0.58 (0.27–1.22) | 23 | 65 | 0.85 (0.41–1.78) |
| Bunker, (unpublished) | 135 | 146 | 34 | 57 | 0.52 (0.30–0.90) | 35 | 93 | 0.45 (0.28–0.71) |
| Total | 269 | 535 | 72 | 188 | 85 | 260 | ||
| Meta OR | 0.68 (0.49–0.96) | 0.74 (0.40–1.34) | ||||||
| Q-test p value | .331 | .04 | ||||||
| I2, 95% CI | 12% (0–87) | 68.9% (0–88.8) | ||||||
| Eggers-test p value | .808 | — |
Note. OR = odds ratio; CI = confidence interval.