Prospective Sample (95% CI) | Historical Sample (95% CI) | Absolute difference in LBW prevalence (95% CI) | Risk ratio (95% CI) | |
---|---|---|---|---|
Kenya | ||||
Number of births | 8441 | 9318 | N/A | N/A |
Proportion of birth weights < 2500 g | 12.6% (10.9; 14.4) | 7.8% (6.5; 9.2) | 4.8% (3.2; 6.4) | 1.61 (1.38; 1.88) |
Adjusted LBW% proportion of birth weights < 2500 g* | 12.9% (11.2; 14.6) | 8.5% (7.1; 9.9) | 4.3% (2.7; 6.0) | 1.51 (1.29; 1.77) |
Tanzania | ||||
Number of observations | 4294 | 12,007 | N/A | N/A |
Proportion of birth weights < 2500 g | 18.2% (12.2; 24.2) | 10.0% (8.6; 11.4) | 8.2% (2.3; 14.0) | 1.81 (1.30; 2.52) |
Adjusted LBW% proportion of birth weights < 2500 g* | 18.5% (12.7; 24.2) | 11.4% (9.9; 12.9) | 7.1 (1.9; 12.3) | 1.62 (1.23; 2.13) |