Table 1. Characteristics of the study subjects and their postpartum visits.
| Characteristics | Frequency (%) | PPV use | Standard PPV use | |||||||
| Yes (%) | No (%) | ?2 | P | Yes (%) | No (%) | ?2 | P | |||
| Education (n = 223) | ||||||||||
| >Secondary level | 96(43.0) | 77(80.2) | 19(19.8) | 20(26.0) | 57(74.0) | |||||
| ≤Secondary level | 127(57.0) | 76(59.8) | 51(40.2) | 10.53 | 0.001 | 18(23.7) | 58(76.3) | 0.11 | 0.74 | |
| Employment (n = 223) | ||||||||||
| Yes | 195(87.4) | 134(68.7) | 61(31.3) | 31(23.1) | 103(76.9) | |||||
| No | 28(12.6) | 19(67.9) | 9 (32.1) | 0.01 | 0.93 | 7(36.8) | 12(63.2) | 1.68 | 0.20 | |
| Annual household income (n = 223) | ||||||||||
| >50000 Yuan | 110(49.3) | 83(75.5) | 27(24.5) | 22(26.5) | 61(73.5) | |||||
| ≤50000 Yuan | 113(50.7) | 70(61.9) | 43(38.1) | 4.72 | 0.03 | 16(22.9) | 54(77.1) | 0.27 | 0.60 | |
| Delivery method (n = 217) | ||||||||||
| Vaginal | 114(52.5) | 82(71.9) | 32(28.1) | 18(22.0) | 64(78.0) | |||||
| Caesarean | 103(47.5) | 71(68.9) | 32(31.1) | 0.23 | 0.63 | 20(28.2) | 51(71.8) | 0.79 | 0.38 | |
| Parity (n = 222) | ||||||||||
| Primiparous | 173(77.9) | 130(75.1) | 43(24.9) | 32(24.6) | 98(75.4) | |||||
| Multiparous | 49(22.1) | 22(44.9) | 27(55.1) | 16.18 | <0.001 | 6(27.3) | 16(72.7) | 0.07 | 0.79 | |
| Premature labor (n = 209) | ||||||||||
| Yes | 33(15.8) | 26(78.8) | 7(21.2) | 5(19.2) | 21(80.8) | |||||
| No | 176(84.2) | 120(68.2) | 56(31.8) | 1.49 | 0.22 | 29(24.2) | 91(75.8) | 0.29 | 0.59 | |
| Sex of neonates (n = 217) | ||||||||||
| Male | 113(52.1) | 82(72.6) | 31(27.4) | 19(23.2) | 63(76.8) | |||||
| Female | 104(47.9) | 71(68.3) | 33(31.7) | 0.48 | 0.49 | 19(26.8) | 52(73.2) | 0.26 | 0.61 | |
| Birth weight of neonates (n = 216) | ||||||||||
| <2500 g | 11(5.1) | 8(72.7) | 3(27.3) | 4(50.0) | 4(50.0) | |||||
| ≥2500 g | 205(94.9) | 144(70.2) | 61(29.8) | 0.03 | 0.861 | 34(23.6) | 110(76.4) | 2.45 | 0.121 | |
| Compensation for delivery fee expenses (n = 222) | ||||||||||
| No | 175(78.8) | 115(65.7) | 60(34.3) | 23(20.0) | 92(80.0) | |||||
| Yes | 47(21.2) | 38(80.9) | 9(19.1) | 3.96 | 0.05 | 15(39.5) | 23(60.5) | 5.80 | 0.02 | |
1
It was results of Likelihood ratio tests.