Table 5.
OR and 95% CIs for emergency caesarean section among parous women in the participating hospitals (n=24 210)
| Crude OR (95% CI) |
Model 1* OR (95% CI) |
Model 2† OR (95% CI) |
Model 3‡ OR (95% CI) |
|
| Hospitals | ||||
| Hospital 1 | Ref | Ref | Ref | Ref |
| Hospital 2 | 1.50 (1.23 to 1.83) | 1.48 (1.19 to 1.84) | 1.38 (1.12 to 1.70) | 1.30 (1.04 to 1.63) |
| Hospital 3 | 1.75 (1.47 to 2.08) | 1.80 (1.48 to 2.20) | 1.50 (1.25 to 1.80) | 1.53 (1.25 to 1.89) |
| Hospital 4 | 1.37 (1.13 to 1.67) | 1.39 (1.12 to 1.72) | 0.87 (0.70 to 1.09) | 0.81 (0.64 to 1.04) |
| Hospital 5 | 2.56 (211 to 3.11) | 2.61 (2.11 to 3.23) | 1.89 (1.52 to 2.34) | 1.70 (1.34 to 2.15) |
| Hospital 6 | 2.99 (2.44 to 3.65) | 2.28 (1.78 to 2.93) | 2.66 (2.12 to 3.34) | 1.74 (1.32 to 2.31) |
| Maternal age (years) | 1.05 (1.04 to 1.06) | 1.05 (1.04 to 1.06) | 1.07 (1.05 to 1.08) | |
| Place of residence | ||||
| Urban/rural | Ref | Ref | Ref | |
| Camp | 1.14 (1.01 to 1.29) | 1.24 (1.07 to 1.43) | 1.19 (1.02 to 1.39) | |
| Education (years) | ||||
| ≤9 | Ref | Ref | Ref | |
| 10 to 12 | 0.60 (0.53 to 0.68) | 0.86 (0.74 to 1.01) | 0.79 (0.67 to 0.93) | |
| ≥13 | 0.52 (0.45 to 0.60) | 0.73 (0.61 to 0.86) | 0.62 (0.52 to 0.75) | |
| Body mass index (kg/m2) | ||||
| ≤24.9 | Ref | Ref | Ref | |
| 25–29.9 | 1.25 (1.04 to 1.49) | 1.27 (1.05 to 1.53) | 1.30 (1.07 to 1.58) | |
| ≥30 | 1.38 (1.15 to 1.65) | 1.23 (1.02 to 1.49) | 1.18 (0.97 to 1.43) | |
| Children alive (no) | 1.02 (1.00 to 1.05) | 1.03 (1.00 to 1.05) | 0.90 (0.87 to 0.94) | |
| Previous caesarean section | ||||
| 0 | Ref | Ref | Ref | |
| 1 | 6.65 (5.98 to 7.39) | 6.85 (6.12 to 7.65) | 6.26 (5.57 to 7.05) | |
| Antenatal visits (no) | 1.07 (1.05 to 1.09) | 1.05 (1.03 to 1.07) | 1.06 (1.04 to 1.08) | |
| In vitro fertilisation treatment | ||||
| No | Ref | Ref | Ref | |
| Yes | 2.69 (1.50 to 4.81) | 2.13 (1.09 to 4.16) | 1.98 (0.98 to 3.99) | |
| Hypertensive disorder | ||||
| No/unknown | Ref | Ref | Ref | |
| Yes | 2.98 (2.48 to 3.57) | 3.18 (2.60 to 3.89) | 3.02 (2.45 to 3.73) | |
| Induction of labour | ||||
| No/unknown | Ref | Ref | Ref | |
| Yes | 0.91 (0.78 to 1.05) | 0.97 (0.83 to 1.14) | 0.95 (0.80 to 1.12) | |
*Adjusted for sociodemographic characteristics (maternal age, place of residence, education and body mass index).
†Adjusted for obstetric characteristics (children alive, previous caesarean section, antenatal visits, in vitro fertilisation treatment, hypertensive disorder and induction of labour).
‡Adjusted for sociodemographic characteristics (age, place of residence, education, body mass index) and obstetric characteristics (children alive, previous caesarean section, antenatal visits, in vitro fertilisation treatment, hypertensive disorder and induction of labour).