Table 4.
Bivariate and multivariable logistic regression analysis result of significant variables (P value < 0.05) at public hospitals in Tigrai, North Ethiopia.
| Variables | Category | Cases | Controls | AOR (95% CI) |
|---|---|---|---|---|
| Age of mother | ≤19 | 6 (4.4) | 17 (6.3) | 1 |
| 20-34 | 95 (70.4) | 211 (78.1) | 1.37 (0.07, 44.8) | |
| ≥35 | 34 (25.2) | 42 (15.6) | 3.09 (0.09, 104) | |
| Ethnicity | Tigrai | 130 (96.3) | 267 (98.9) | 1 |
| Afar | 5 (3.7) | 3 (1.1) | 0.9 (0.61, 13.29) | |
| Referral status | No | 27 (20) | 203 (70.4) | 1 |
| Yes | 108 (80) | 67 (24.8) | 7.29 (2.7, 19.68)∗ | |
| Antenatal follow-up | No | 22 (16.3) | 13 (4.8) | 2.1 (1.35, 6.31) |
| Yes | 113 (83.7) | 257 (95.2) | 1 | |
| Number of antenatal visits | 1 | 12 (10.7) | 22 (8.3) | 2.85 (1.02, 7.94)∗ |
| 2-3 | 51 (45.5) | 72 (27.3) | 3.25 (0.63, 16.72) | |
| ≥4 | 49 (43.8) | 170 (64.4) | 1 | |
| Parity | 1-4 | 95 (70.4) | 235 (87) | 1 |
| ≥5 | 40 (29.6) | 35 (13) | 1.84 (0.44, 7.69) | |
| Gestational age in weeks | 28-37 | 44 (32.6) | 60 (22.2) | 1 |
| 37-42 | 82 (60.7) | 198 (73.3) | 1.08 (0.36, 3.25) | |
| ≥42 | 9 (6.7) | 12 (4.4) | 0.71 (0.07, 6.82) | |
| Previous history of C/S | No | 109 (80.7) | 263 (97.4) | 1 |
| Yes | 26 (19.3) | 7 (2.6) | 5.51 (0.85, 35.74) | |
| Interpregnancy interval after C/S | Above 12 months | 10 (7.4) | 5 (1.9) | 1 |
| Less than 12 months | 16 (11.9) | 2 (0.7) | 3.42 (0.15, 79.46) | |
| Pregnancy complicated by chorioamnionitis | No | 131 (97) | 269 (99.6) | 1 |
| Yes | 4 (3) | 1 (0.4) | 15 (0.16, 45) | |
| Place of delivery | Health center | 8 (5.9) | 1 (0.4) | 7.86 (0.57, 108.2) |
| Hospital | 127 (94.1) | 269 (99.6) | 1 | |
| Followed by partograph | No | 118 (87.4) | 61 (22.6) | 10 (4.53, 19.24) |
| Yes | 17 (12.6) | 209 (77.4) | 1 | |
| Duration of labor | More than 18 hours | 16 (11.9) | 1 (0.4) | 3.45 (2.12, 20.23) |
| Less than 18 hours | 6 (4.4) | 197 (73) | 1 | |
| Obstructed labor | No | 55 (40.7) | 242 (89.6) | 1 |
| Yes | 80 (59.3) | 28 (10.4) | 13.33 (4.23, 42.05)∗ | |
| Malpresentation | No | 117 (86.7) | 253 (93.7) | 1 |
| Yes | 18 (13.3) | 17 (6.3) | 1.59 (0.25, 10.23) | |
| Labor started spontaneously | No | 21 (15.6) | 14 (5.2) | 3.95 (0.93, 16.7) |
| Yes | 114 (84.4) | 256 (94.8) | 1 | |
| Trial of labor after caesarean delivery | No | 122 (90.4) | 267 (98.9) | 1 |
| Yes | 13 (9.6) | 3 (1.1) | 3.5 (0.1, 117.37) | |
| Congenital anomalies of baby | No | 126 (93.3) | 267 (98.9) | 1 |
| Yes | 9 (6.7) | 3 (1.1) | 0.57 (0.057, 5.72) | |
| Prehemoglobin level | ≤7 | 15 (11.1) | 19 (7) | 2.03 (0.61, 6.82) |
| 7-11 | 54 (40) | 27 (10) | 1.72 (0.45, 6.55) | |
| ≥12 | 66 (48.9) | 224 (83) | 1 | |
| Birth weight | <4 | 106 (78.5) | 252 (93.3) | 1 |
| ≥4 | 29 (21.5) | 18 (6.7) | 5.68 (1.39, 23.2)∗ |
Abbreviations: C/S = caesarean section; ∗ = significant variables; AOR = adjusted odds ratio; COR = crude odds ratio.