Table 1.
General data of patients in the two groups (x̅ ± sd)
| Item | Observation group (n=35) | Control group (n=35) | χ2/t | P |
|---|---|---|---|---|
| Age (years) | 30.4±3.6 | 30.7±2.8 | 0.389 | 0.698 |
| Gestational (weeks) | 39.4±1.2 | 38.9±1.6 | 1.479 | 0.144 |
| BMI (kg/m2) | 26.82±2.41 | 27.22±1.94 | 0.765 | 0.447 |
| The severity of disease (n) | 0.548 | 0.760 | ||
| Mild | 10 | 8 | ||
| Moderate | 15 | 18 | ||
| Severe | 10 | 9 | ||
| Pregnancy history (n) | 0.583 | 0.445 | ||
| Primipara | 13 | 10 | ||
| Multipara | 22 | 25 | ||
| Premature Birth (n) | 0.543 | 0.461 | ||
| Yes | 20 | 23 | ||
| No | 15 | 12 | ||
| Education (n) | 1.014 | 0.314 | ||
| Middle school or below | 14 | 10 | ||
| High school or above | 21 | 25 |
Note: BMI: Body mass index.