Table 2.
Average treatment effect for the treated for breastfeeding outcomes between WIC-eligible participants and nonparticipants by birth cohort.
| Birth Year 2000–2008 | Birth Year 2009–2014 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Outcomes | WIC | Non-WIC | Diff | SE | t-statistic | WIC | Non-WIC | Diff | SE | t-Statistic |
| Ever-Breastfed | ||||||||||
| Unmatched | 0.63 | 0.74 | −0.11 | 0.03 | −4.32 * | 0.69 | 0.76 | −0.07 | 0.04 | −1.94 * |
| Matched | 0.66 | 0.74 | −0.08 | 0.03 | −2.51 * | 0.69 | 0.73 | −0.04 | 0.05 | −0.83 |
|
Breastfed
at 6 months |
||||||||||
| Unmatched | 0.36 | 0.52 | −0.16 | 0.03 | −4.97 * | 0.32 | 0.48 | −0.17 | 0.05 | -3.13 * |
| Matched | 0.40 | 0.51 | −0.11 | 0.04 | −2.52 * | 0.32 | 0.45 | −0.13 | 0.08 | −1.67 * |
Note: Bootstrapping standard error is 0.05 (with 100 replications). * p < 0.05 (one-tailed test)