Table 4.
Logistic regression analysis of prolonged second stage of labor at Hawassa referral hospital/Ethiopia, January 2010-December 2011
| Variables | Cases no (%) | Controls no (%) | Crude OR (95% CI) | Adjusted OR (95% CI) ‡ |
|---|---|---|---|---|
| Maternal age (yrs): | ||||
| 20–34 | 76(87.4) | 399(83.1) | 1 | 1 |
| 15–19 | 5(5.7) | 46(9.6) | 0.6 (0.22–1.48) | 0.6(0.31–1.78) |
| 35+ | 6(6.9) | 35(7.3) | 0.9 (0.37–2.21) | 1.1(0.39–2.99) |
| Residence: | ||||
| Urban | 54(62.1) | 305(63.5) | 0.9 (0.59–1.50) | 1.1(0.64–1.82) |
| Rural | 33(37.9) | 175(3.5) | 1 | 1 |
| Parity: | ||||
| Multiparous | 28(32.2) | 140(29.2) | 1 | 1 |
| Grandmultiparous | 5(5.7) | 33(6.9) | 1.1(0.69–1.87) | 1.1(0.61–1.84) |
| Primiparous | 54(62.1) | 307(63.9) | 0.9(0.32–2.30) | 0.8(0.25–2.42) |
| Gestational age(wks): | ||||
| 37–41 | 71(81.6) | 403(84.0) | 1 | 1 |
| 28-36 | 3(3.5) | 13(2.7) | 1.3(0.36–4.71) | 1.8(0.41–7.56) |
| 42+ | 13(14.9) | 64(13.3) | 1.2(0.60–2.20) | 1.2(0.61–2.42) |
| Uterine contraction: | ||||
| Adequate | 57(65.5) | 243(50.6) | 1 | 1 |
| Inadequate | 30(34.5) | 237(49.4) | 0.5(0.34–0.87)* | 0.6(0.35–0.97)* |
| Pelvic status: | ||||
| Adequate | 72(82.8) | 365(76.0) | 1 | 1 |
| Contracted | 4(4.6) | 46(9.6) | 0.4(0.15–1.26) | 0.4(0.14–1.20) |
| Unknown | 11(12.6) | 69(14.4) | 0.8(0.41–1.60) | 1.0(0.47–2.20) |
| Fetal membranes: | ||||
| Intact | 4(4.6) | 112(23.3) | 0.2(0.06–0.43)† | 0.2(0.07–0.54)** |
| PROM | 4(4.6) | 37(7.7) | 0.5(0.17–1.39) | 0.5(0.17–1.53) |
| Ruptured during labor | 79(90.8) | 331(69.0) | 1 | 1 |
| Fetal Position: | ||||
| Occipitoanterior | 18(20.7) | 93(19.4) | 1 | 1 |
| Occipito posterior | 17(19.5) | 62(12.9) | 1.4(0.68–2.96) | 1.1(0.51–2.48) |
| Occipito transverse | 26(29.9) | 98(20.4) | 1.4(0.71–2.66) | 1.3(0.63–2.57) |
| Other | 26(29.9) | 227(47.3) | 0.6(0.31–1.13) | 0.7(0.34–1.34) |
| Birth weight (gram): | ||||
| 2500–3999 | 69(79.3) | 406(84.6) | 1 | 1 |
| <2500 | 2(2.3) | 10(2.1) | 1.2(0.25–5.49) | 1.1(0.19–6.08) |
| 4000+ | 15(17.3) | 55(11.4) | 1.6(0.85–2.99) | 1.6(0.80–3.12) |
| Unknown | 1(1.1) | 9(1.9) | 0.7(0.08–5.24) | 0.6(0.07–5.27) |
‡Adjusted for all the variables in this Table. * P < 0.05; ** P < 0.01, †P < 0.0001.