Table 1.
Baseline characteristics of 599 healthy late preterm infantsa
| Total (N = 599) | |
|---|---|
| PMA at birth(week) | 35.38 ± 0.75 |
| Male, N(%) | 337 (56.3) |
| Twin, N(%) | 150 (25.0) |
| Primiparity, N(%) | 405 (67.6) |
| Caesarean section, N(%) | 391 (65.3) |
| MNR, N(%) | 31 (5.2) |
| Maternal age(year) | 30.61 ± 3.95 |
| Paternal age(year) | 32.11 ± 4.81 |
| ≥College(mother), N(%) | 492 (82.1) |
| ≥College(father), N(%) | 510 (85.1) |
| Intrauterine growth status | |
| SGA, N(%) | 30 (5.0) |
| AGA, N(%) | 546 (91.2) |
| LGA, N(%) | 23 (3.8) |
| Feeding mode | |
| EBF, N(%) | 364 (60.8) |
| PBF, N(%) | 173 (28.9) |
| EFF, N(%) | 62 (10.4) |
aAbbreviations: PMA Postmenstrual age, MNR Medium nutrition risk, SGA Small-for-gestational-age, AGA Appropriate-for-gestational-age, LGA Large-for-gestational-age, EBF Exclusive breast feeding, PBF Partial breast feeding, EFF Exclusive formula feeding