Impact of the intervention on secondary outcomes
| Baseline | Endline | Effect estimate | ||||
| Control N=1031 n (%) | Intervention N=1350 n (%) | Control N=1113 n (%) | Intervention N=1217 n (%) | Unadjusted OR (95% CI) | P value | |
| Healthcare utilisation | ||||||
| Used maternity waiting home while awaiting delivery | 270/1031 (26.2) | 378/1350 (28.0) | 292/1113 (26.2) | 583/1217 (47.9) | 2.44 (1.62, 3.67) | <0.001 |
| Referred or transferred to a hospital during pregnancy or delivery | 67/1031 (6.5) | 79/1345 (5.9) | 73/1113 (6.6) | 101/1217 (8.3) | 1.35 (0.94 to 1.93) | 0.106 |
| Postnatal care within 3 days | 108/1030 (10.5) | 163/1345 (12.1) | 154/1108 (13.9) | 268/1209 (22.2) | 1.55 (1.10 to 2.19) | 0.013 |
| Hospital-level services received during labour and delivery | ||||||
| Intravenous antibiotics | 315/1028 (30.6) | 375/1337 (28.1) | 378/1091 (34.7) | 472/1185 (39.8) | 1.35 (0.92 to 1.99) | 0.124 |
| Blood transfusion | 29/1023 (2.8) | 53/1341 (4.0) | 43/1100 (3.9) | 70/1204 (5.8) | 1.62 (0.92 to 2.87) | 0.095 |
| Caesarean section surgery | 33/1031 (3.2) | 47/1350 (3.5) | 44/1110 (4.0) | 84/1214 (6.9) | 1.71 (1.16 to 2.54) | 0.007 |
| Counselling received around time of delivery | ||||||
| Family planning | 548/1022 (53.6) | 729/1335 (54.6) | 727/1097 (66.3) | 880/1193 (73.8) | 1.48 (1.15 to 1.91) | 0.002 |
| Breastfeeding | 579/1028 (56.3) | 768/1337 (57.4) | 720/1097 (65.6) | 876/1194 (73.4) | 1.51 (1.20 to 1.90) | <0.001 |
| Kangaroo care | 363/1015 (35.8) | 513/1312 (39.1) | 604/1090 (55.4) | 762/1173 (65.0) | 1.44 (1.15 to 1.79) | 0.001 |
| Health behaviours reported at time of the survey | ||||||
| Currently using modern family planning method | 337/1031 (32.7) | 440/1348 (32.7) | 526/1111 (47.3) | 608/1216 (50.0) | 1.13 (0.91 to 1.40) | 0.267 |
All models include as covariates: the variables used in the matched randomisation procedure (average monthly volume of deliveries at the nearest health centre and transfer time to comprehensive emergency obstetric and neonatal care hospital) and the cluster-average value of the outcome at baseline.