Table 5 Logistic regression analysis of obstructed labor at Hawassa referral hospital/Ethiopia, January 2010-December 2011

Maternal age (yrs):

  20–34

59(82.0)

399(83.1)

1

1

  15–19

6(8.3)

46(9.6)

0.9 (0.36–2.16)

0.8(0.29–2.31)

  35+

7(9.7)

35(7.3)

1.4 (0.57–3.18)

0.7(0.24–2.13)

Residence:

  Urban

25(34.7)

305(63.5)

1

1

  Rural

47(65.3)

175(3.5)

3.3 (1.95–5.51) †

2.0(1.10–3.76)*

Parity:

  Multiparous

23(31.9)

140(29.2)

1

1

  Grandmultiparous

9(12.5)

33(6.9)

1.3(0.73–2.19)

1.4(0.69–2.63)

  Primiparous

40(55.6)

307(63.9)

2.1(0.93–4.69)

1.8(0.65–4.98)

Gestational age(wks):

  37–41

65(90.3)

403(84.0)

1

1

  28–36

2(2.8)

13(2.7)

0.9(0.21–4.33)

1.1(0.14–8.66)

  42+

5(6.9)

64(13.3)

0.5(0.19–1.25)

0.6(0.21–1.61)

Antenatal are

  Yes

47(65.3)

378(78.7)

1

1

  No

20(27.8)

58(12.1)

2.8(1.54–5.01)**

2.1(1.04–4.42)*

  Unknown

5(6.9)

44(9.2)

0.5(0.35–2.42)

1.1(0.37–3.25)

Uterine contraction:

  Adequate

46(63.9)

243(50.6)

1

1

  Inadequate

26(36.1)

237(49.4)

0.6(0.35–0.97)*

0.7(0.39–1.28)

Pelvic status:

  Adequate

44(61.1)

365(76.0)

1

1

  Contracted

25(34.7)

46(9.6)

4.5(2.53-8.04) †

2.8(1.47–5.41)**

  Unknown

3(4.2)

69(14.4)

0.4(0.11-1.19)

0.3(0.07–1.51)

Fetal membranes:

  Intact

2(2.8)

112(23.3)

0.1(0.02–0.36)**

0.1(0.03–0.59)**

  PROM

2(2.8)

37(7.7)

0.1(0.02–1.02)

0.2(0.03–1.64)

  Ruptured during labor

68(94.4)

331(69.0)

1

1

Fetal Position:

  Occipitoanterior

2(2.8)

93(19.4)

1

1

  Occipito posterior

19(26.4)

62(12.9)

14.3(3.21–63.36)^†

9.7(2.03–45.98)**

  Occipito transverse

16(22.2)

98(20.4)

7.6(1.70–33.92)**

5.0(1.04–23.55)*

  Other

35(48.6)

227(47.3)

7.2(1.69–30.42)**

7.6(1.70–34.27)**

Birth weight (gram):

  2500–3999

56(77.8)

406(84.6)

1

1

  <2500

1(1.4)

10(2.1)

0.7(0.09–5.77)

1.1(0.11–10.72)

  4000+

9(12.5)

55(11.4)

1.2(0.56–2.53)

0.8(0.32–1.83)

  Unknown

6(8.3)

9(1.9)

4.8(1.66–14.09)**

2.8(0.76–10.37)