Table 5.
Mother Fixed-Effects Estimates Using Siblings Born at Least Two Years Apart
| Regression Specification | Ever Breast-fed | Well-Baby Visit in First Year | Full Dose of DPT and Oral Polio Vaccines | Attended Any Preschool Program |
|---|---|---|---|---|
| A. Continuous Birth Weight | ||||
| Continuous birth weight (in 100s of grams) | 0.003* (0.002) | 0.001 (0.002) | 0.003* (0.001) | 0.003 (0.003) |
| Number of LBW siblings present at the time of investment | 0.021 (0.024) | 0.089** (0.034) | 0.04 (0.026) | −0.017 (0.040) |
| B. LBW Indicator | ||||
| LBW indicator | −0.039 (0.029) | 0.005 (0.033) | −0.062* (0.028) | −0.031 (0.076) |
| Number of LBW siblings present at the time of investment | 0.018 (0.027) | 0.094* (0.037) | 0.026 (0.029) | −0.021 (0.073) |
| C. Birth-Weight Categories (ref. = < 2,500g) | ||||
| Birth weight = 2,500g–3,299g | 0.032 (0.030) | 0.007 (0.035) | 0.062* (0.029) | 0.024 (0.074) |
| Birth weight = 3,300g–3,699g | 0.061† (0.031) | −0.005 (0.036) | 0.051† (0.028) | 0.059 (0.075) |
| Birth weight ≥ 3,700g | 0.039 (0.034) | 0.016 (0.037) | 0.067* (0.031) | 0.043 (0.078) |
| Number of LBW siblings present at the time of investment | 0.019 (0.027) | 0.090* (0.037) | 0.027 (0.029) | −0.022 (0.071) |
| Number of Observations | 3,321 | 2,898 | 2,761 | 3,547 |
| Number of Mothers | 1,370 | 1,220 | 1,150 | 1,439 |
Notes: LBW = low birth weight. All estimates are from mother fixed-effects models that include the full set of covariates. Figures in parentheses are robust standard errors.
†
p ≤ .10;
*
p ≤ .05;
**
p ≤ .01