Not pass(n = 166) | Pass(n = 1024) | p | |
---|---|---|---|
Maternal age (years) | 0.245 | ||
23 | 3(1.8) | 26(2.5) | |
23–30 | 103(62.0) | 564(55.2) | |
≥ 30 | 60(36.1) | 432(42.3) | |
Maternal education | 0.883 | ||
Middle school or below | 5(3.0) | 28(2.7) | |
High school | 28(16.9) | 159(15.5) | |
College or above | 133(80.1) | 837(81.7) | |
Parity | 0.049 | ||
Primiparous | 114(69.9) | 628(61.9) | |
Multiparous | 49(30.1) | 386(38.1) | |
Paternal age(years) | 0.199 | ||
< 30 | 67(40.4) | 341(33.4) | |
30–35 | 61(36.7) | 433(42.4) | |
≥ 35 | 38(22.9) | 248(24.3) | |
Neonates gender | 0.210 | ||
Male | 96(57.8) | 537(52.6) | |
Female | 70(42.2) | 484(47.4) | |
Midwifery | 0.730 | ||
Yes | 33(19.9) | 192(18.8) | |
No | 133(80.1) | 832(81.3) | |
Gestational age(weeks) | 1.000 | ||
37 | 162(97.6) | 999(97.7) | |
37–42 | 4(2.4) | 24(2.3) | |
Birth weight(g) | 0.460 | ||
2500 | 0(0.0) | 8(0.8) | |
2500–3950 | 159(95.8) | 980(95.8) | |
≥ 4000 | 7(4.2) | 35(3.4) | |
Amniotic fluid condition | 0.556 | ||
Normal | 133(80.1) | 816(79.8) | |
Amniotic fluid turbidity | 30(18.1) | 193(18.9) | |
Oligohydramnios | 0(0.0) | 5(0.5) | |
Umbilical cord around the neck | 3(1.8) | 9(0.9) | |
Folate intake | 0.306 | ||
No | 8(4.8) | 71(7.0) | |
Yes | 158(95.2) | 950(97.0) | |
Fruit or vegetable intake | 0.126 | ||
No | 7(4.2) | 20(2.0) | |
Yes | 159(95.8) | 1001(98.0) | |
Milk or soy milk intake | 0.873 | ||
No | 47(28.3) | 295(28.9) | |
Yes | 119(71.7) | 725(71.1) | |
Family relationship | 0.987 | ||
Well | 139(85.8) | 862(85.0) | |
General | 19(11.7) | 123(12.1) | |
Worse | 3(1.9) | 23(2.3) | |
Terrible | 1(0.6) | 6(0.6) | |
Stress and anxiety | 0.518 | ||
No | 118(71.1) | 751(73.5) | |
Yes | 48(28.9) | 271(26.5) | |
Stressful life event | 0.021 | ||
No | 155(93.4) | 987(97.0) | |
Yes | 11(6.6) | 31(3.0) | |
House renovation | 0.660 | ||
No | 163(98.2) | 992(97.3) | |
Yes | 3(1.8) | 28(2.7) | |
Kitchen fuel | 0.355 | ||
Fuel gas | 143(86.1) | 907(88.7) | |
Coal | 16(9.6) | 90(8.8) | |
Electric | 4(2.4) | 19(1.9) | |
Others | 3(1.8) | 6(0.6) | |
Maternal active smoking(cigarettes per day) | 0.796 | ||
Never | 165(99.4) | 1013(98.9) | |
Less than 10 | 1(0.6) | 9(0.9) | |
10–20 | 0(0.0) | 2(0.2) | |
Paternal active smoking(cigarettes per day) | 0.733 | ||
Never | 102(61.4) | 640(62.5) | |
Less than 10 | 43(25.9) | 231(22.6) | |
10–20 | 18(10.8) | 128(12.5) | |
More than 20 | 3(1.8) | 25(2.4) | |
Passive smoking | 0.821 | ||
No | 119(72.6) | 748(73.4) | |
Yes | 45(27.4) | 271(26.6) | |
Maternal alcohol intake | 0.134 | ||
Never | 157(94.6) | 989(96.9) | |
Rarely | 9(5.4) | 32(3.1) | |
Paternal alcohol intake | 0.758 | ||
Never | 99(59.6) | 607(59.3) | |
Rarely | 61(36.7) | 389(38.0) | |
Often | 6(3.6) | 27(2.6) | |
PM10(μg/m3) | 70.20 ± 7.24 | 68.27 ± 6.69 | 0.001 |
PM2.5(μg/m3) | 44.37 ± 6.18 | 43.05 ± 5.49 | 0.017 |
CO(mg/m3) | 1.00 ± 0.09 | 0.99 ± 0.10 | 0.070 |
NO2(μg/m3) | 36.37 ± 4.38 | 35.83 ± 4.24 | 0.196 |
SO2(μg/m3) | 13.97 ± 1.67 | 13.86 ± 1.53 | 0.467 |