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Table 3 Logistic regression analysis of active phase disorder at Hawassa referral hospital/Ethiopia, January 2010-December 2011

From: Predictors of labor abnormalities in university hospital: unmatched case control study

Variables

Cases no (%)

Controls no (%)

Crude OR (95%CI)

Adjusted OR (95%CI)

Maternal age (yrs):

    

  20–34

175(84.1)

399(83.1)

1

1

  15–19

21(10.1)

46(9.6)

1.0 (0.60–1.79)

1.0(0.54–1.77)

  35+

12(5.8)

35(7.3)

0.8 (0.39–1.54)

0.9(0.43–1.98)

Residence:

    

  Urban

130(62.5)

305(63.5)

1.0 (0.68–1.34)

0.9(0.63–1.33)

  Rural

78(37.5)

175(3.5)

1

1

Parity:

    

  Multiparous

53(25.4)

140(29.2)

1

1

  Grandmultiparous

13(6.3)

33(6.9)

0.8(0.56–1.19)

0.8(0.57–1.29)

  Primiparous

142(68.3)

307(63.9)

0.9(0.44–1.67)

0.9(1.41–1.94)

Gestational age(wks):

    

  37–41

172(82.7)

403(84.0)

1

1

  28–36

4(1.9)

13(2.7)

0.7(0.23–2.24)

0.7(0.20–2.26)

  42+

32(15.4)

64(13.3)

1.2(0.74–1.86)

1.0(0.65–1.70)

Uterine contraction:

    

  Adequate

81(38.9)

243(50.6)

1

1

  Inadequate

127(61.1)

237(49.4)

1.6(1.15–2.24)**

1.5(1.06–2.13)*

Pelvic status:

    

  Adequate

188(90.4)

365(76.0)

1

1

  Contracted

9(4.3)

46(9.6)

0.4(0.18–0.79)**

0.5(0.21–0.95)*

  Unknown

11(5.3)

69(14.4)

0.3(0.16–0.60)

0.4(0.19–0.74)**

Fetal membranes:

    

  Intact

55(26.4)

112(23.3)

1.2(0.82–1.75)

1.3(0.84-1.97)

  PROM

15(7.2)

37(7.7)

1.0(0.54–1.93)

1.1(0.54–2.05)

  Ruptured during labor

138(66.4)

331(69.0)

1

1

Fetal Position:

    

  Occipitoanterior

63(30.3)

93(19.4)

1

1

  Occipito posterior

21(10.1)

62(12.9)

0.5(0.28–0.90)*

0.6(0.32–1.07)

  Occipito transverse

50(24.0)

98(20.4)

0.8(0.47–1.20)

0.8(0.51–1.34)

  Other

74(35.6)

227(47.3)

0.5(0.32–0.73)**

0.5(0.34–0.81)**

Birth weight (gram):

    

  2500–3999

177(85.1)

406(84.6)

1

1

  <2500

7(3.4)

10(2.1)

1.6(0.60–4.28)

1.7(0.59-4.63)

  4000+

23(11.0)

55(11.4)

0.9(0.57–1.61)

1.0(0.55–1.66)

  Unknown

1(0.5)

9(1.9)

0.3(0.03–2.03)

0.4(0.05–3.08)

  1. Adjusted for all the variables in this Table. *P < 0.05; **P < 0.01, P < 0.0001.