Table 1.
Subject characteristics (n = 8366)
| Itema | Mean ± SDb | n (%) |
|---|---|---|
| Maternal age (years) | 30.1 ± 5.0 | |
| Elapsed time from delivery to questionnaire completion (weeks) | 24.5 ± 13.6 | |
| Gestational age (weeks) | 39.0 ± 1.6 | |
| Birth weight (g) | 3030 ± 402 | |
| Duration between disaster and delivery (weeks) | 23.4 ± 13.8 | |
| Feeding method before weaning | ||
| Combination of breastfeeding and formula feeding | 5187 (62.2) | |
| Exclusive breastfeeding | 2575 (30.9) | |
| Exclusive formula feeding | 578 (6.9) | |
aMissing values have been omitted for each item
b SD standard deviation