TABLE 1.
General characteristics of infants enrolled in the study according to delivery mode.
| Variable | VD (n = 6) | CS (n = 10) | x2/F | p |
| Infant information | 6 (37.50) | 10 (62.50) | ||
| Male, n (%) | 3 (42.86) | 4 (57.14) | 0.15 | 0.55 |
| Female, n (%) | 3 (33.33) | 6 (66.67) | ||
| Gestational age, week | 39.17 ± 1.17 | 38.60 ± 0.97 | 0.10 | 0.31 |
| Birthweight, g | 3,368.33 ± 337.40 | 3,246.00 ± 436.25 | 1.44 | 0.57 |
| Maternal information | 6 (37.5) | 10 (62.5) | ||
| Age, year | 30.00 ± 3.16 | 33.20 ± 5.25 | 0.98 | 0.20 |
| Gravidity | 1.67 ± 0.82 | 2.00 ± 1.25 | 1.25 | 0.57 |
| Parity | 1.50 ± 0.55 | 1.50 ± 0.53 | – | 1.0 |
| Pre-pregnancy weight, kg | 52.33 ± 5.35 | 52.85 ± 5.27 | 0.27 | 0.85 |
| Pregnancy weight, kg | 64.67 ± 6.97 | 68.35 ± 5.03 | 2.67 | 0.24 |
| Other information | ||||
| Family smoking, n (%) | 0 (0) | 0 (0) | – | – |
| Pet keeping, n (%) | 0 (0) | 0 (0) | – | – |
VD, vaginal delivery; CS, cesarean section. Countable data between two groups were tested using chi-square test; continuous variables between two groups were compared using the Student’s t-test.