Table 5.
Bivariate and multivariable logistic regression (final model) analysis result for significant variables (p ≤ 0.25) in bivariate analysis in Mekelle City Public Hospitals, North Ethiopia, 2015
| Variable | Category | COR (95% CI) | AOR (95% CI) |
|---|---|---|---|
| Monthly income | < 1000 | 1 | 1 |
| 1001–2000 | 0.44(0.18,1.07) | 0.37(0.13, 1.05) | |
| 2001–3000 | 0.77(0.33, 1.80) | 0.57(0.21, 1.53) | |
| > 3000 | 0.63(0.30, 1.32) | 0.63(0.26, 1.52) | |
| Carrying heavy objects | No | 1 | 1 |
| Yes | 1.99(1.10, 3.62)a | 1.63(0.81, 3.30) | |
| Sleep < 8 | No | 1 | 1 |
| Yes | 1.62(0.89, 2.97) | 1.25(0.59, 2.64) | |
| Abortion | No | 1 | 1 |
| Yes | 3.82(1.91, 7.62)a | 3.06 (1.39, 6.71)a | |
| Previous PROM | No | 1 | 1 |
| Yes | 7.64(3.47, 16.8)a | 4.45 (1.87, 10.6)a | |
| CS | No | 1 | 1 |
| Yes | 4.24(1.62, 11.1)a | 3.15(1.05, 9.46)a | |
| Abnormal Vaginal discharge | No | 1 | 1 |
| Yes | 5.13(2.78, 9.47)a | 3.31(1.67, 6.56)a | |
| Chronic cough | No | 1 | 1 |
| Yes | 1.42(0.80, 2.53) | 0.75(0.36, 1.56) | |
| Third trimester sexual intercourse | No | 1 | 1 |
| Yes | 1.43(0.83, 2.47) | 1.44(0.75, 2.76) | |
| Alcohol Intake | No | 1 | 1 |
| Yes | 2.42(1.27, 4.63) a | 1.93(0.91, 4.08) | |
| History of accident | No | 1 | 1 |
| Yes | 4.33(1.26,14.8) a | 2.27(0.69, 7.40) | |
| Gravidity | 1 | 1 | 1 |
| 1–4 | 1.88(1.01, 3.51) a | 1.80(0.30,10.6) | |
| > 5 | 2.17(0.86, 5.48) | 2.76(0.20, 36.8) | |
| Parity | 0 | 1 | 1 |
| 1 | 1.48(0.77, 2.82) | 0.66(0.29, 1.48) | |
| 2–4 | 1.60(0.78,3.28) | 0.50(0.19, 1.32) | |
| > 5 | 1.30(0.40, 4.18) | 0.29(0.06, 1.45) |
COR = Crude odds ratio, AOR = adjusted odds ratio
aSignificant association