Table 4.
OR and 95% CIs for emergency caesarean section among primiparous women in the participating hospitals (N=8109)
| 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 | 1.99 (1.45 to 2.72) | 1.90 (1.34 to 2.70) | 1.99 (1.44 to 2.75) | 1.87 (1.30 to 2.68) |
| Hospital 3 | 2.40 (1.81 to 3.17) | 2.40 (1.73 to 3.33) | 2.43 (1.82 to 3.24) | 2.47 (1.77 to 3.46) |
| Hospital 4 | 1.95 (1.42 to 2.67) | 2.33 (1.64 to 3.31) | 1.58 (1.11 to 2.25) | 1.84 (1.24 to 2.73) |
| Hospital 5 | 2.87 (2.11 to 3.91) | 2.99 (2.12 to 4.22) | 2.49 (1.77 to 3.50) | 2.53 (1.74 to 3.70) |
| Hospital 6 | 4.75 (3.49 to 6.46) | 4.28 (2.94 to 6.22) | 4.11 (2.87 to 5.90) | 3.54 (2.29 to 5.47) |
| Maternal age (years) | 1.12 (1.10 to 1.13) | 1.12 (1.10 to 1.14) | 1.12 (1.10 to 1.14) | |
| Place of residence | ||||
| Urban/rural | Ref | Ref | Ref | |
| Camp | 1.22 (1.04 to 1.44) | 1.32 (1.08 to 1.61) | 1.24 (1.01 to 1.53) | |
| Education (years) | ||||
| ≤9 | Ref | NA | NA | |
| 10 to 12 | 0.50 (0.41 to 0.62) | |||
| ≥13 | 0.58 (0.47 to 0.72) | |||
| Body mass index (kg/m2) | ||||
| ≤24.9 | Ref | Ref | Ref | |
| 25 to 29.9 | 1.15 (0.91 to 1.46) | 1.17 (0.92 to 1.50) | 1.12 (0.88 to 1.44) | |
| ≥30 | 1.50 (1.20 to 1.89) | 1.41 (1.10 to 1.81) | 1.30 (1.01 to 1.68) | |
| Antenatal visits (no) | 1.07 (1.05 to 1.10) | 1.04 (1.01 to 1.07) | 1.04 (1.01 to 1.07) | |
| In vitro fertilisation treatment | ||||
| No | Ref | Ref | Ref | |
| Yes | 5.93 (3.61 to 9.75) | 6.62 (3.97 to 1.05) | 4.64 (2.66 to 8.08) | |
| Hypertensive disorder | ||||
| No/unknown | Ref | Ref | Ref | |
| Yes | 3.62 (2.75 to 4.77) | 3.95 (2.96 to 5.28) | 3.56 (2.61 to 4.86) | |
| Induction of labour | ||||
| No/unknown | Ref | Ref | Ref | |
| Yes | 1.49 (1.27 to 1.75) | 1.33 (1.12 to 1.57) | 1.32 (1.10 to 1.57) | |
*Adjusted for sociodemographic characteristics (maternal age, place of residence, education and body mass index).
†Adjusted for obstetric characteristics (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 (antenatal visits, in vitro fertilisation treatment, hypertensive disorder and induction of labour).
NA, not applicable due to multicollinearity.