Table 2. Temporal association of rainfall, humidity, and temperature with melioidosis cases, Singapore, 2003–2012*.
| Category | No lag |
1-week lag |
2-week lag |
|||||
|---|---|---|---|---|---|---|---|---|
| Hazard ratio (95% CI) | p value | Hazard ratio (95% CI) | p value | Hazard ratio (95% CI) | p value | |||
| Rainfall | 1.20 (0.868–1.65) | 0.274 | 1.40 (1.03–1.90) | 0.0345 | 1.34 (0.981–1.83) | 0.0667 | ||
| Humidity | 1.01 (0.985–1.04) | 0.436 | 1.02 (0.997–1.05) | 0.0806 | 1.03 (1.00–1.05) | 0.0382 | ||
| Temperature | 1.01 (0.910–1.13) | 0.814 | 0.949 (0.851–1.06) | 0.351 | 0.928 (0.832–1.03) | 0.178 | ||
*Association between melioidosis cases and weather conditions during the week of disease onset (no lag), 1 week before disease onset (1-week lag), and 2 weeks before disease onset (2-week lag). Significance is indicated by p<0.05.