Table 1 Characteristics of study subjects
| Â | No. (%) |
|---|---|
Age (year) | Â |
   20–24 | 066 (06.6) |
   25–29 | 419 (42.0) |
   30–34 | 406 (40.7) |
   ≥35 | 107 (10.7) |
   Mean ± SD | 29.8 ± 3.7 |
Maternity leave (day) | Â |
   <56 days | 114(11.5) |
   56–60 days | 835(84.0) |
   > 60 days | 045(04.5) |
   Mean ± SD | 56.8 ± 10.7 |
Breastfeeding initiation* | Â |
   Yes | 587 (66.9) |
   No | 291 (33.1) |
Breastfeeding duration | Â |
   < 1 month | 367 (62.5) |
   1–2 month | 127 (21.6) |
   > 2 month | 093 (15.8) |
Education* | Â |
   ≤ High school | 512 (51.6) |
   ≥ College | 480 (48.4) |
Number of children* | Â |
   1 | 432 (43.3) |
   2 | 441 (44.3) |
   ≥3 | 124 (12.4) |
Gender of child* | Â |
   Boy | 504 (50.9) |
   Girl | 487 (49.1) |
Worksite | Â |
   Fab | 819 (82.1) |
   Office | 179 (17.9) |
Shift Work | Â |
   No | 228 (22.8) |
   Yes | 770 (77.2) |
Flextime | Â |
   Yes | 282 (29.4) |
   No | 676 (70.6) |