Rates ratios (RR) with 95% confidence intervals (CI) by part of body injured and period of observation for children aged 5–12 years from poor and average rich municipalities
| Poor municipalities | Average rich municipalities | |||
|---|---|---|---|---|
| Incidence rate Per 1000 | Rates ratios (95% CI) | Incidence rate Per 1000 | Rates ratios (95% CI) | |
| A: Head injuries | ||||
| Pre-implementation 1988–1990 | ||||
| Comparison | 0.48 | 1.00 | 0.70 | 1.00 |
| Target | 1.53 | 3.19 (1.29 to 8.05) | 1.04 | 1.49 (1.07 to 2.08) |
| Total injury | 47 | 166 | ||
| Implementation 1991–1993 | ||||
| Comparison | 1.06 | 1.00 | 0.70 | 1.00 |
| Target | 1.06 | 0.99 (0.49 to 2.00) | 0.83 | 1.18 (0.84 to 1.67) |
| Total injury | 40 | 143 | ||
| Post-implementation 1994–1996 | ||||
| Comparison | 0.64 | 1.00 | 0.68 | 1.00 |
| Target | 0.69 | 1.03 (0.43 to 2.45) | 0.58 | 0.84 (0.58 to 1.22) |
| Total njury | 26 | 114 | ||
| B: Other injuries | ||||
| Pre-implementation 1988–1990 | ||||
| Comparison | 1.63 | 1.00 | 1.14 | 1.00 |
| Target | 1.49 | 0.91 (0.52 to 1.61) | 1.02 | 0.90 (0.68 to 1.20) |
| Total injury | 58 | 197 | ||
| Implementation 1991–1993 | ||||
| Comparison | 1.73 | 1.00 | 1.05 | 1.00 |
| Target | 1.68 | 0.97 (0.56 to 1.67) | 1.10 | 1.04 (0.78 to 1.38) |
| Total injury | 64 | 199 | ||
| Post-implementation 1994–1996 | ||||
| Comparison | 1.35 | 1.00 | 1.01 | 1.00 |
| Target | 1.41 | 1.06 (0.57 to 1.94) | 1.06 | 1.05 (0.78 to 1.40) |
| Total injury | 53 | 192 | ||