Table 2. Characteristics of women with different parity.
| Characteristics | Primiparous | Multiparous | ?2 | P |
| Frequency(%) | Frequency(%) | |||
| Age1 | 27.9±3.7 | 34.1±5.1 | 7.92 | <0.001 |
| Annual household income2 | 55000(40000–80000) | 50000(30000–95000) | 0.08 | 0.94 |
| Education | ||||
| >Secondary level | 84(48.6) | 11(22.4) | ||
| ≤Secondary level | 89(51.4) | 38(77.6) | 10.63 | 0.001 |
| Employment | ||||
| Yes | 150(86.7) | 44(89.8) | ||
| No | 23(13.3) | 5(10.2) | 0.33 | 0.57 |
| Delivery method | ||||
| Vaginal | 87(51.8) | 26(54.2) | ||
| Caesarean | 81(48.2) | 22(45.8) | 0.09 | 0.77 |
| Premature labor | ||||
| Yes | 25(15.5) | 8(17.0) | ||
| No | 136(84.5) | 39(83.0) | 0.06 | 0.81 |
| Sex of neonates | ||||
| Male | 92(54.8) | 21(43.8) | ||
| Female | 76(45.2) | 27(56.2) | 1.82 | 0.18 |
| Birth weight of neonates | ||||
| <2500 g | 8(4.8) | 3(6.4) | ||
| ≥2500 g | 160(95.2) | 44(93.6) | 0.20 | 0.66 |
| Compensation for delivery fee expenses | ||||
| No | 135(78.5) | 39(79.6) | ||
| Yes | 37(21.5) | 10(20.4) | 0.03 | 0.87 |
1
the results for age were mean and standard deviation, a t-test was used to compare two means.
2
the results for household income were median and quartile range, a t-test was used to compare logarithms of two medians.