TABLE 2.
Breastfeeding Initiation, Intended Duration and Actual Duration, and Supplementation by Nativity and Country of Education
| All (n = 1235) | US-US (n = 575) | MX-US (n = 246) | MX-MX (n = 414) | P | |
|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | n (%) | ||
| Breastfeeding initiation (N = 1235) | 1066 (86.3) | 452 (78.6) | 224 (91.1) | 390 (94.2) | <.001 |
| Breastfeeding intentionsa | |||||
| Intended to breastfeed for ≥6 mo | 910 (85.4) | 377 (83.4) | 196 (87.5) | 337 (86.4) | .28 |
| Intended to breastfeed for ≥12 mo | 437 (41.0) | 174 (38.5) | 95 (42.4) | 168 (43.1) | .36 |
| Breastfeeding durationa | |||||
| Breastfed ≥6 mo | 392 (36.8) | 104 (23.0) | 86 (38.4) | 202 (51.8) | <.001 |
| Breastfed 12+ mo (met AAP continuation guidelines)b | 226 (21.2) | 60 (13.3) | 45 (20.1) | 121 (31.0) | <.001 |
| Supplementation by type (n = 962)c | |||||
| Infant fed any formula by 1 wk | 413 (42.9) | 167 (41.2) | 93 (44.9) | 153 (43.7) | .64 |
| Infant fed any solids by 4 mo | 67 (7.0) | 25 (6.2) | 13 (6.3) | 29 (8.3) | .48 |
P values are reported from Pearson’s χ2 tests for proportion comparisons and from analysis of variance F tests for mean comparisons.
a
Reported among women who ever breastfed (n = 1066).
b
The AAP breastfeeding guidelines recommend that women provide some breast milk for ≥1 y.
c
Formula and solids questions asked of women who ever breastfed and completed the 6-mo follow-up, which only pertain to the period when they breastfed (n = 962). One woman was missing supplementation information, and 82 women were not asked because they never breastfed.