Table 3

Risk differences and 95% confidence intervals (CI) for pregnancy outcomes within each matched pair, with overall measure weighted by clinic pair (stratum) size

Perinatal deaths/total births (%)
Pair NoInterventionControlRisk difference (%)*95% CI
*Risk differences are for (intervention – control).
112 / 234 (5.1)1 / 38 (2.6)2.5−3.3 to 8.3
24 / 126 (3.2)2 / 37 (5.4)−2.2−10.1 to 5.7
30 / 47 (0.0)4 / 35 (11.4)−11.4−22.6 to −0.02
41 / 44 (2.3)1 / 28 (3.6)−1.3−9.5 to 6.9
50 / 34 (0.0)0 / 5 (0.0)0.0−22.5 to 22.5
61 / 18 (5.6)0 / 3 (0.0)5.6−29.0 to 40.2
70 / 46 (0.0)0 / 11 (0.0)0.0−11.7 to 11.7
Overall18 / 549 (3.3)8 / 157 (5.1)−0.9−4.4 to 2.7