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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.