Table 3

Targeted risk factors among 1837 women in intervention wards and 1853 women in pre-intervention (control) wards

OutcomeProportion (n)RRR
(95% CIca)
RD
(95% CIca)
NNTICC
Intervention wardsPre-intervention wards
Reduced heavy work during pregnancy0.948
(1734/1830)
0.726
(12684/1747)
0.234
(0.085 to 0.383)
0.222
(0.073 to 0.370)
50.043
Reduced heavy work before third trimester0.712
(1288/1810)
0.250
(425/1698)
0.648
(0.496 to 0.801)
0.461
(0.310 to 0.613)
30.027
No physical domestic violence during pregnancy0.974
(1772/1820)
0.909
(1677/1844)
0.066
(0.046 to 0.086)
0.064
(0.045 to 0.084)
160.001
Discussed pregnancy with spouse0.899
(1643/1827)
0.695
(1266/1821)
0.227
(0.061 to 0.393)
0.204
(0.044 to 0.365)
50.041
Knows any danger sign in pregnancy0.984
(1808/1837)
0.838
(1552/1853)
0.149
(0.101 to 0.197)
0.147
(0.098 to 0.195)
70.007
Knows three or more danger signs in pregnancy0.704
(1294/1837)
0.287
(531/1853)
0.593
(0.485 to 0.702)
0.418
(0.315 to 0.521)
30.011
Knows any danger sign in delivery0.968
(1779/1837)
0.752
(1394/1853)
0.223
(0.099 to 0.348)
0.216
(0.092 to 0.341)
50.035
Knows three danger signs in delivery0.243
(447/1837)
0.047
(87/1853)
0.807
(0.708 to 0.906)
0.196
(0.144 to 0.249)
60.005
  • Bold font indicates the contrast is significant at the 5% level.

  • 95% CIca, cluster-adjusted 95% CI; ICC, intracluster correlation; NNT, number needed to treat (1/RD); RD, risk difference; RRR, relative risk reduction (1−RR (relative risk)).