Category | OR | Lower 95% CI | Upper 95% CI | P value |
Intervention (reference=control) | 0.60 | 0.54 | 0.67 | <0.0001 |
Duration of study (ref=baseline, 1–3 months)* | ||||
4th–9th month† | 1.04 | 0.88 | 1.22 | 0.6607 |
10th–15th month‡ | 1.03 | 0.87 | 1.23 | 0.6976 |
16th–21st month‡ | 0.80 | 0.66 | 0.96 | 0.0197 |
Interaction of intervention and study duration segments (ref=baseline, 1–3 months) | ||||
4th–9th month in control hospitals | 1.14 | 0.76 | 1.71 | 0.5414 |
10th–15th month in control hospitals | 1.49 | 0.99 | 2.22 | 0.0546 |
16th–21st month in control hospitals | 1.71 | 1.17 | 2.49 | 0.0057 |
4th–9th month intervention hospitals | 0.69 | 0.49 | 0.98 | 0.0388 |
10th–15th month in intervention hospitals | 0.53 | 0.35 | 0.79 | 0.0021 |
16th–21st month in intervention hospitals | 0.27 | 0.17 | 0.44 | <0.0001 |
Age | 0.99 | 0.97 | 1.01 | 0.3082 |
Parity | 1.20 | 1.10 | 1.32 | 0.0001 |
Gravidity | 1.04 | 0.96 | 1.13 | 0.3401 |
Occupation, unemployed (ref=employed) | 1.27 | 1.02 | 1.59 | 0.0318 |
Received antenatal care, yes (ref=no) | 0.53 | 0.43 | 0.64 | <0.0001 |
Education level (ref=less than secondary education) | ||||
Secondary | 0.71 | 0.56 | 0.90 | 0.005 |
Tertiary | 0.83 | 0.62 | 1.12 | 0.2287 |
Referred to hospital, no (ref=yes) | 0.20 | 0.15 | 0.26 | <0.0001 |
Rural (ref=urban) | 0.81 | 0.63 | 1.06 | 0.1193 |
Never married (ref=married) | 0.72 | 0.35 | 1.51 | 0.3841 |
Multiple babies delivered (ref=single) | 0.56 | 0.32 | 0.99 | 0.0469 |
*Baseline period.
†Intervention period.
‡Postintervention period.
ref, reference.