Table 2 Mortality after 6 and 12 months of follow-up in children who received a lower dose compared with the recommended dose of vitamin A, Guinea-Bissau 2004-2005
| Â | All (n = 8582) | Boys (n = 4369) | Girls (n = 4213) |
|---|---|---|---|
At 6 months of follow-up | Mortality Rate (deaths/years at risk) | ||
   Low dose | 0.009 (17/1952) | 0.005 (5/1005) | 0.013 (12/947) |
   High dose | 0.007 (13/1922) | 0.005 (5/955) | 0.008 (8/968) |
Mortality Rate Ratio1 (95% CI) | 1.23 (0.60-2.54) | 0.92 (0.27-3.17) | 1.43 (0.59-3.51) |
P for same effect in boys and girls | Â | 0.57 | |
At 12 months of follow-up | Mortality Rate (deaths/years at risk) | ||
   Low dose | 0.011 (39/3476) | 0.010 (18/1788) | 0.012 (21/1688) |
   High dose | 0.009 (32/3451) | 0.008 (13/1714) | 0.011 (19/1737) |
Mortality Rate Ratio1 (95% CI) | 1.17 (0.73-1.87) | 1.30 (0.64-2.65) | 1.08 (0.58-2.02) |
P for same effect in boy and girls | Â | 0.71 | |