Table 3. Results of a meta-analysis for exposure to pesticides and Parkinson's disease.
| Variables | Odds ratio (95% confidence interval) | |
|---|---|---|
| All pesticides | 1.62 (1.40–1.88) | |
| Classification | ||
| Herbicides | 1.40 (1.08–1.81) | |
| Insecticides | 1.50 (1.07–2.11) | |
| Fungicides | 0.99 (0.71–1.40) | |
| Exposure assessment | ||
| Self-report (experience) | 1.50 (1.26–1.78) | |
| Self-report (regular exposure) | 1.71 (1.30–2.25) | |
| Occupation | 2.50 (1.54–4.05) | |
| Region | ||
| North America | 1.44 (1.19–1.75) | |
| Europe | 1.76 (1.41–2.20) | |
| Others | 1.75 (1.12–2.75) | |
| Study type | ||
| Case-control studies | 1.67 (1.43–1.96) | |
| Cohort studies | 1.39 (0.92–2.10) | |
| Cross-sectional studies | 1.64 (0.37–7.29) | |
From Environ Health Perspect 2012;120(3):340-7 [41].