| Variables | NNM | COR (95% CI) | AOR (95% CI) | Yes | No |
| Age | | | | | <20 | 16 | 16 | 2.27 (1.08, 4.75) | 2.05 (0.90, 4.72) | 20-34 | 88 | 200 | 2.19 (0.97, 4.91) | 2.41 (0.93, 6.23) | 35-49 | 32 | 70 | 1 | 1 | Residence | | | | | Urban | 83 | 247 | 1 | 1 | Rural | 53 | 39 | 4.04 (2.50, 6.55) | 4.41 (2.57, 7.55) | Number of ANC | | | | | 1-3 | 58 | 60 | 2.80 (1.80, 4.36) | 3.16 (1.90, 5.25) | ≥4 | 78 | 226 | 1 | 1 | History of abortion | | | | | Yes | 43 | 70 | 1.43 (0.91, 2.24) | 1.26 (0.69, 2.28) | No | 93 | 216 | 1 | 1 | Parity | | | | | Primiparous | 79 | 103 | 2.46 (1.62, 3.74) | 2.55 (1.59, 4.12) | Multiparous | 57 | 183 | 1 | 1 | History of still birth | | | | | Yes | 18 | 21 | 1.92 (0.99, 3.75) | 1.95 (0.87, 4.39) | No | 118 | 265 | 1 | 1 | History of DM | | | | | Yes | 11 | 9 | 2.71 (1.10, 6.70) | 1.21 (0.38, 3.87) | No | 125 | 277 | 1 | 1 | Mode of delivery | | | | | C/S delivery | 26 | 38 | 1.54 (0.89, 2.66) | 1.23 (0.63, 2.40) | Vaginal delivery | 110 | 248 | 1 | 1 | Maternal anemia | | | | | Yes | 12 | 15 | 1.75 (0.79, 3.85) | 1.24 (0.46, 3.34) | No | 124 | 271 | 1 | 1 | PROM | | | | | Yes | 14 | 8 | 3.99 (1.63, 9.75) | 4.65 (1.70, 12.73) | No | 122 | 278 | 1 | 1 | STI | | | | | Yes | 7 | 5 | 3.05 (0.95, 9.79) | 2.02 (0.50, 8.17) | No | 129 | 281 | 1 | 1 | PIH | | | | | Yes | 17 | 9 | 4.40 (1.91, 10.14) | 3.23 (1.19, 8.78) | No | 119 | 277 | 1 | 1 | APH | | | | | Yes No | 15 121 | 10 276 | 3.42 (1.50, 7.83) 1 | 4.95 (1.89, 12.96) 1 | CPD | | | | | Yes | 25 | 14 | 4.38 (2.19, 8.73) | 3.05 (1.32, 7.01) | No | 111 | 272 | 1 | 1 |
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