Relative risk of injury (with 95% confidence intervals) after perceived school failure with three different hazard periods, for all injured children and according to child characteristics
| Characteristics | 0–60 minutes | 0–360 minutes | 0–600 minutes | |||
|---|---|---|---|---|---|---|
| Number of cases (exposed) | RR (95% CI) | Number of cases (exposed) | RR (95% CI) | Number of cases (exposed) | RR (95% CI) | |
| All children | 592 (2) | 7.6 (1.9 to 29.9) | 592 (4) | 2.8 (1.1 to 7.5) | 592 (6) | 2.7 (1.2 to 5.8) |
| Sex | ||||||
| Girls | 218 (1) | 8.0 (1.2 to 54.7) | 218 (1) | 1.5 (0.3 to 8.8) | 218 (2) | 1.9 (0.6 to 6.3) |
| Boys | 374 (1) | 7.3 (1.0 to 50.6) | 374 (3) | 4.2 (1.3 to 13.9) | 374 (4) | 3.4 (1.2 to 9.7) |
| Age | ||||||
| 10–12 years | 292 (1) | 18.3 (2.6 to 127.8) | 292 (2) | 10.0 (1.6 to 62.3) | 292 (3) | 10.8 (2.1 to 55.4) |
| 13–15 years | 300 (1) | 4.8 (0.7 to 33.1) | 300 (2) | 1.7 (0.5 to 6.1) | 300 (3) | 1.6 (0.6 to 4.3) |
| Household education level | ||||||
| High | 248 (1) | 21.3 (3.0 to 150.2) | 248 (1) | 3.6 (0.5 to 24.3) | 248 (3) | 7.2 (2.2 to 23.7) |
| Low | 243 (1) | 5.4 (0.8 to 37.0) | 243 (2) | 1.9 (0.6 to 6.8) | 243 (2) | 1.2 (0.4 to 3.9) |