Table 1 Comparison of demographic and behavior characteristics of participators.
Characteristics | Control (n = 315) | Pregnancy women (n = 544) | t/ x2 | p-value |
|---|---|---|---|---|
Age (years) | 35.4 ± 5.7 | 31.1 ± 3.9 | 12.04 | <0.001 |
Han nationality | 292 (92.7) | 499 (91.7) | 0.26 | 0.612 |
Married | 263 (83.5) | 538 (98.9) | 75.19 | <0.001 |
Educational level (years) | 0.93 | 0.052 | ||
High school and below | 51 (16.2) | 57 (10.5) | ||
College | 214 (67.9) | 396 (72.8) | ||
Bachelor or above | 50 (15.9) | 91 (16.7) | ||
Height (cm) | 163.0 ± 5.0 | 162.7 ± 5.1 | 0.98 | 0.328 |
Weight (kg) | 58.8 ± 8.3 | 67.0 ± 10.8 | 12.33 | <0.001 |
BMI | 22.1 ± 2.9 | 25.3 ± 4.0 | 13.46 | <0.001 |
Employed | 214 (67.9) | 408 (75.0) | 4.98 | 0.026 |
Smoking status (%) | 38.39 | <0.001 | ||
Nonsmoker | 301 (95.6) | 510 (93.8) | ||
Ex-smoker | 3 (1.0) | 34 (6.3) | ||
Current smokers | 11 (3.5) | 0 (0.0) | ||
Drinking status (%) | 81.26 | <0.001 | ||
Nonalcohol | 249 (79.0) | 485 (89.2) | ||
Abstainer | 10 (3.2) | 50 (9.2) | ||
Drinker | 56 (17.8) | 9 (1.7) | ||
Income | 9.30 | 0.010 | ||
<8 | 89 (28.3) | 105 (19.3) | ||
8–30 | 171 (54.3) | 326 (59.9) | ||
>30 | 55 (17.5) | 113 (20.8) | ||
Chronic diseases | 50 (15.9) | 120 (22.1) | 4.81 | 0.028 |
Focusing on epidemic | 278 (88.3) | 456 (83.8) | 3.15 | 0.076 |
