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Table 2 Logistic regression analysis of prolonged latent phase of labor 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 (years):     
  20–34 47(90.4) 399(83.1) 1 1
  15–19 3(5.8) 46(9.6) 0.4(0.08–1.54) 0.3(0.06–1.38)
  35+ 2(3.8) 35(7.3) 0.5(0.11–2.01) 0.9(0.17–5.23)
Residence:     
  Urban 43(82.7) 305(63.5) 2.7 (1.31–3.76)** 2.0(0.88–4.73)
  Rural 9(17.3) 175(3.5) 1 1
Parity:     
  Multiparous 9(17.3) 140(29.2) 1 1
  Grandmultiparous 2(3.8) 33(6.9) 0.5(0.23–1.02) 0.4(0.17–0.89)*
  Primiparous 41(78.9) 307(63.9) 0.5(0.11–1.96) 0.7(0.13–4.27)
Gestational age(weeks):     
  37–41 36(69.2) 403(84.0) 1 1
  28–36 1(1.9) 13(2.7) 0.9(0.13–6.77) 0.8(0.09–8.01)
  42+ 15(28.9) 64(13.3) 2.6(1.36–5.06)** 2.3(1.07–4.96)**
Uterine contraction:     
  Adequate 15(28.9) 243(50.6) 1 1
  Inadequate 37(71.1) 237(49.4) 2.5(1.35–4.73)** 2.3(1.15–4.68)*
Pelvic status:     
  Adequate 44(84.6) 365(76.0) 1 1
  Contracted 3(5.8) 46(9.6) 0.5(0.16–1.81) 0.8(0.20–3.12)
  Unknown 5(9.6) 69(14.4) 0.6(0.23–1.65) 0.5(0.19–1.54)
Fetal membranes:     
  Intact 34(65.4) 112(23.3) 7.8(3.96–5.27) 6.9(3.39–14.17)†
  PROM 5(9.6) 37(7.7) 5.6(1.21–10.67)* 4.5(1.42–14.19)*
  Ruptured during labor 13(25.0) 331(69.0) 1 1
Birth weight (gram):     
  2500–3999 43(82.7) 406(84.6) 1 1
  <2500 2(3.8) 10(2.1) 1.9(0.40–8.90) 2.0(0.37–11.64)
  4000+ 6(11.6) 55(11.4) 1.0(0.42–2.53) 1.0(0.39–3.02)
  Unknown 1(1.9) 9(1.9) 1.0(0.13–8.48) 4.9(0.51–46.72)
  1. Adjusted for all the variables in this Table. *P < 0.05; **P < 0.01, P < 0.0001.