| Cohort 1 (4-18 months of age) |  | Cohort 2 (4-12 months of age) | ||
---|---|---|---|---|---|
 | IPTi-SP | Control |  | IPTi-SP | Control |
Death | 86 | 112 | Â | 51 | 68 |
Person-days | 1,018,825 | 971,905 | Â | 688,294 | 652,688 |
Mortality rate per 1000 children | 2.532 | 3.456 | Â | 2.223 | 3.126 |
Unadjusted RR (95% IC) | 0.73 (0.55-0.98) | Â | 0.71 (0.48-1.04) | Â | |
p | 0.030 | Â | 0.066 | Â | |
Adjusted* RR (IC 95%) in Cox model | 0.73 (0.55-0.97) | Â | 0.71 (0.49-1.02) | Â | |
p* (two-sided) | 0.029 | Â | 0.064 | Â | |
Reduction in mortality* (%) | 27 (3-45) | Â | 29 (0-49) | Â |