| Urban | Rural | ||||||
---|---|---|---|---|---|---|---|---|
OR | 95% CI | P | OR | 95% CI | P | |||
Health reform | ||||||||
 Before | 1.00 |  |  |  | 1.00 |  |  |  |
 After | 6.75 | 1.93 | 23.63 | 0.003 | 3.15 | 1.54 | 6.48 | 0.002 |
Age | ||||||||
  ≤ 25 | 1.00 |  |  |  | 1.00 |  |  |  |
 26–30 | 1.12 | 0.63 | 2.00 | 0.698 | 1.07 | 0.62 | 1.86 | 0.795 |
  ≥ 31 | 0.58 | 0.28 | 1.21 | 0.145 | 1.87 | 0.95 | 3.68 | 0.069 |
Education | ||||||||
  ≤ Primary school | 1.00 |  |  |  | 1.00 |  |  |  |
 Middle school | 1.13 | 0.50 | 2.54 | 0.764 | 2.16 | 1.23 | 3.79 | 0.008 |
  ≥ High school | 1.46 | 0.59 | 3.61 | 0.407 | 2.02 | 0.94 | 4.68 | 0.070 |
Employment | ||||||||
 No | 1.00 |  |  |  | 1.00 |  |  |  |
 Yes | 1.69 | 0.96 | 2.97 | 0.067 | 1.70 | 0.92 | 3.12 | 0.089 |
Annual Household income | ||||||||
 Poorest | 1.00 |  |  |  | 1.00 |  |  |  |
 Poorer | 1.02 | 0.38 | 2.74 | 0.969 | 1.20 | 0.64 | 2.26 | 0.574 |
 Medium | 0.74 | 0.28 | 1.93 | 0.533 | 1.61 | 0.80 | 3.22 | 0.182 |
 Richer | 0.77 | 0.29 | 2.01 | 0.593 | 1.36 | 0.66 | 2.78 | 0.403 |
 Richest | 0.55 | 0.20 | 1.50 | 0.243 | 1.24 | 0.55 | 2.80 | 0.598 |
Parity | Â | Â | Â | Â | Â | Â | Â | Â |
  ≤ 1 | 1.00 |  |  |  | 1.00 |  |  |  |
  ≥ 2 | 1.01 | 0.56 | 1.83 | 0.961 | 0.79 | 0.45 | 1.38 | 0.406 |
Delivery institution | ||||||||
 Secondary and above | 1.00 |  |  |  | 1.00 |  |  |  |
  ≤ Primary institution | 4.12 | 1.38 | 12.29 | 0.011 | 1.28 | 0.68 | 2.39 | 0.442 |
Delivery way | ||||||||
 Vaginal | 1.00 |  |  |  | 1.00 |  |  |  |
 Caesarean | 0.79 | 0.47 | 1.35 | 0.390 | 1.03 | 0.60 | 1.78 | 0.916 |
Weight of newborn | ||||||||
 Low birthweight | 1.00 |  |  |  | 1.00 |  |  |  |
 Normal birthweight | 0.35 | 0.09 | 1.37 | 0.132 | 0.78 | 0.28 | 2.22 | 0.647 |