Table 2.
Presence of clustered risk in children and odds ratio for observed/expected risk factors
| Probability expected of children having 0 to 6 risk factors |
Observed risk factors clustering n (%) |
OR (95% CI) | |
|---|---|---|---|
| 0 risk factors | 0.178 | 192 (30.4) | 1.71 (1.44 to 2.03) |
| 1 risk factors | 0.356 | 193 (30.6) | 0.86 (0.73 to 1.02) |
| 2 risk factors | 0.297 | 108 (17.1) | 0.58 (0.47 to 0.71) |
| 3 risk factors | 0.132 | 67 (10.6) | 0.81 (0.63 to 1.04) |
| 4 risk factors | 0.033 | 41 (6.5) | 1.97 (1.44 to 2.71) |
| 5 risk factors | 0.004 | 27 (4.3) | 9.74 (6.62 to 14.32) |
| 6 risk factors | 0.0002 | 3 (0.5) | 19.47 (6.26 to 60.54) |
| 3 or more risk factors | 0.169 | 138 (21.9) | 1.29 (1.07 to 1.56) |
| 4 or more risk factors | 0.038 | 71 (11.3) | 2.99 (2.34 to 3.83) |
| 5 or more risk factors | 0.005 | 30 (4.8) | 10.25 (7.10 to 14.79) |
OR: Odds ratio of observed/expected; 95% CI: 95% confidence interval