Table 1.
Comparison of baseline data between participants with physicians in experimental and control groups
| Variable | Experimental group | Control group | Statistic | P-value |
|---|---|---|---|---|
| Age: mean (SD) | 32.80 (4.13) | 32.07 (2.20) | Mann–Whitney U=66.500 | 0.836 |
| Prepregnancy BMI: mean (SD) | 23.99 (2.91) | 25.76 (3.83) | Mann–Whitney U=55.000 | 0.380 |
| Stress level: mean (SD) | 33.40 (11.17) | 32.86 (8.97) | t=−0.127 | 0.900 |
| Perceived social support: mean (SD) | 25.30 (3.02) | 28.71 (3.36) | t=2.556 | 0.018 |
| Parity: n (%) 0 1 2 |
5 (50.0) 3 (30.0) 2 (20.0) |
12 (85.7) 1 (7.1) 1 (7.1) |
χ2=3.650 (2) | 0.161 |
| Prepregnancy BMI category: n (%) 18.5 to <25.0 25.0 to <30.0 ≥30.0 |
5 (50.0) 5 (50.0) 0 (0.0) |
8 (57.1) 4 (28.6) 2 (14.3) |
χ2=2.198 (2) | 0.333 |
| Smoking: n (%) No Yes |
9 (90.0) 1 (10.0) |
13 (92.9) 1 (7.1) |
χ2=0.062 (1) | 0.803 |
Abbreviation: BMI, body mass index.