Table 5. Bivariate and multivariable logistic regression analysis of factors associated with preterm birth among mothers who gave birth at public hospitals in Sidama regional state, Southeast Ethiopia, 2020.
| Variable | Category | Case (n = 135) | Control (n = 270) | COR(95%CI) | AOR(95%CI) |
|---|---|---|---|---|---|
| Residence | Rural Urban |
65 | 75 | 2.414(1.571, 3.11) | 2.034(1.242, 3.331) * |
| 70 | 195 | 1.00 | 1.00 | ||
| Antenatal care follow up | No Yes |
41 | 35 | 2.929(1.758, 4.880) | 2.516(1.406, 4.503) * |
| 94 | 235 | 1.00 | 1.00 | ||
| Interval of delivery | <2 year ≥ 2 year |
26 | 19 | 3.151(1.674,5.933) | 3.029(1.484, 6.179) * |
| 109 | 251 | 1.00 | 1.00 | ||
| Pregnancy-induced hypertension | Yes No |
39 | 23 | 4.363(2.476,7.689) | 2.870(1.519, 5.424) * |
| 96 | 247 | 1.00 | 1.00 | ||
| Chronic medical problem in pregnancy | Yes No |
39 | 26 | 3.812(2.201,6.605) | 2.507(1.345, 4.676) * |
| 96 | 244 | 1.00 | 1.00 | ||
| Urinary tract infections | Yes No |
44 | 30 | 3.868(2.293,6.526) | 3.023(1.657, 5.513) * |
| 91 | 240 | 1.00 | 1.00 | ||
| Premature rupture of membrane | Yes No |
29 | 18 | 3.830(2.039,7.194) | 1.836(0.867, 3.885) |
| 106 | 252 | 1.00 | 1.00 | ||
| Physical intimate violence | Yes No |
41 | 23 | 4.684(2.667,8.227) | 2.876(1.534, 5.393) * |
| 94 | 247 | 1.00 | 1.00 |
Key; AOR = Adjusted odd ratio, COR = Crude odd ratio
* = P-value < 0.05, 1.00 = reference.