Table 1.
Comparison of baseline data between the two groups
| Control group (n=58) | Study group (n=66) | t/χ2 | P | |
|---|---|---|---|---|
| Age (years) | 29.7±4.1 | 29.5±4.5 | 0.257 | 0.797 |
| Gestational weeks (weeks) | 29.70±2.48 | 29.55±2.31 | 0.349 | 0.728 |
| BMI (kg/m2) | 24.45±1.19 | 25.03±1.37 | 0.991 | 0.324 |
| Fetal heart rate | 146.65±8.06 | 145.44±9.72 | 0.748 | 0.456 |
| Uterine height (cm) | 22.00±4.48 | 21.66±4.76 | 0.408 | 0.684 |
| Times of pregnancies (times) | 1.478 | 0.478 | ||
| 1 | 33 (56.90) | 31 (46.97) | ||
| 2 | 20 (34.48) | 26 (39.39) | ||
| 3 | 5 (8.62) | 9 (13.64) | ||
| Times of delivery | 1.709 | 0.635 | ||
| 0 | 36 (62.07) | 34 (51.52) | ||
| 1 | 16 (27.59) | 21 (31.82) | ||
| 2 | 4 (6.90) | 7 (10.61) | ||
| 3 | 2 (3.45) | 4 (6.06) | ||
| Place of residence | 0.716 | 0.398 | ||
| Urban area | 40 (68.97) | 50 (75.76) | ||
| Rural area | 18 (31.03) | 16 (24.24) | ||
| Smoking history | 0.684 | 0.408 | ||
| Yes | 16 (27.59) | 14 (21.21) | ||
| No | 42 (72.41) | 52 (78.78) |
BMI: body mass index.