Time period | Treatment arm* | Treatment arm* | |||||||
Intervention (%) | Control (%) | OR† | 95% CI | Intervention (mean) | Control (mean) | Incidence ratio† | 95% CI | ||
(A) For all children in the intention-to-treat population | |||||||||
Unscheduled | September | 45.2 | 43.7 | 1.09 | 0.96 to 1.25 | 0.81 | 0.81 | 1.02 | 0.94 to 1.12 |
Contacts | September–December | 80.1 | 79.1 | 1.10 | 0.96 to 1.26 | 3.19 | 3.32 | 0.98 | 0.93 to 1.04 |
September–August | 93.1 | 93.3 | 0.97 | 0.82 to 1.15 | 9.08 | 9.37 | 0.97 | 0.95 to 1.04 | |
Total | September | 57.8 | 58.4 | 0.99 | 0.80 to 1.22 | 1.05 | 1.10 | 0.97 | 0.87 to 1.07 |
Contacts | September–December | 89.3 | 88.4 | 1.06 | 0.89 to 1.27 | 4.31 | 4.43 | 0.95 | 0.90 to 1.02 |
September–August | 96.6 | 96.4 | 0.89 | 0.71 to 1.12 | 11.52 | 12.08 | 0.95 | 0.91 to 0.99 | |
(B) For children receiving preventer medication in the intent to treat population | |||||||||
Unscheduled | September | 46.3 | 45.4 | 1.07 | 0.94 to 1.23 | 0.83 | 0.84 | 1.01 | 0.92 to 1.10 |
Contacts | September–December | 81.3 | 81.4 | 1.04 | 0.90 to 1.21 | 3.27 | 3.44 | 0.97 | 0.92 to 1.03 |
September–August | 93.9 | 94.6 | 0.84 | 0.69 to 1.02 | 9.31 | 9.71 | 0.98 | 0.92 to 1.14 | |
Total | September | 59.1 | 60.4 | 0.97 | 0.79 to 1.21 | 1.08 | 1.14 | 0.96 | 0.86 to 1.07 |
Contacts | September–December | 90.4 | 90.5 | 0.98 | 0.81 to 1.19 | 4.43 | 4.70 | 0.95 | 0.89 to 1.01 |
September–August | 97.1 | 97.3 | 0.81 | 0.64 to 1.01 | 11.82 | 12.53 | 0.96 | 0.90 to 1.12 |
*The proportions and means are simple summary statistics.
†The ORs and incidence ratios with the corresponding CIs are from a formal statistical analysis allowing for covariates and the effect of clustering.