Variable | Univariate | Multivariate(n = 354) | ||
---|---|---|---|---|
P | OR (95%CI) | P | OR (95%CI) | |
Epidural analgesia | < 0.001 | 2.614(1.620–4.248) | 0.006 | 2.590(1.315–5.165) |
Hospital name | ||||
 MCH |  | 1(reference) |  | 1(reference) |
 BA | 0.473 | 1.340(0.623–3.197) | 0.141 | 2.253(0.799–7.068) |
 LG | < 0.001 | 0.214(0.115–0.396) | < 0.001 | 0.138(0.046–0.391) |
General information | ||||
 Age (y) | 0.015 | 0.921(0.861–0.983) | < 0.001 | 0.853(0.774–0.933) |
 Gestational age (day) | 0.421 | 0.990(0.965–1.011) |  |  |
 BMI (kg/m2) | 0.129 | 0.944(0.875–1.018) |  |  |
 Maternal education > 12 y | 0.187 | 0.681(0.375–1.184) |  |  |
 Husband education > 12 y | 0.114 | 0.604(0.312–1.099) |  |  |
 Housewives | 0.193 | 2.036(0.776–7.000) |  |  |
History of pregnancy and childbirth | ||||
 History of previous vaginal delivery | 0.615 | 0.796(0.343–2.076) |  |  |
Gravidity time (times) | ||||
 2 |  | 1 (reference) |  |  |
 3 | 0.78 | 1.076(0.641–1.804) |  |  |
 > 3 | 0.971 | 1.013(0.514–2.083) |  |  |
Time from last cesarean section (year) | ||||
 ≤ 3 |  | 1(reference) |  |  |
 3–5 | 0.246 | 2.282(0.477–8.592) |  |  |
 > 5 | 0.923 | 1.071(0.223–4.046) |  |  |
Progress of Labor in previous caesarean section (cervical dilation: cm) | ||||
 0 |  | 1(reference) |  |  |
 < 3 | 0.029 | 1.882(1.083–3.381) |  |  |
 ≥ 3 | 0.148 | 1.827(0.844–4.417) |  |  |
 10 | 0.062 | 6.942(1.391–126.155) |  |  |
 Cervical score at admission (score) | 0.003 | 1.203(1.066–1.360) | < 0.001 | 1.421(1.177–1.727) |
 Cervical dilation at admission (cm) ≥3 | 0.021 | 2.629(1.232–6.513) | 0.058 | 2.698(1.026–8.200) |
 Effacement | 0.027 | 1.750(1.062–2.865) |  |  |
 The onset of labor: Spontaneous | < 0.001 | 7.428(3.484–16.431) | 0.002 | 6.801(2.093–23.518) |
 Oxytocin during labor | 0.044 | 0.451(0.211–1.011) |  |  |
 HGB (g/L:115–150) | 0.843 | 0.998(0.981–1.018) |  |  |
 PLT (125–350) | 0.924 | 1.000(0.996–1.005) |  |  |
Labor duration | ||||
 The first labor duration (min) | 0.553 | 1.003(0.996–1.018) |  |  |
 The second labor duration (min) | 0.37 | 1.157(0.983–1.945) |  |  |
 The third labor duration (min) | 0.859 | 0.970(0.771–1.779) |  |  |
Neonatal | ||||
 Weight (g) ≥3500 | 0.015 | 0.512(0.301–0.884) | 0.003 | 0.360(0.183–0.711) |