Table A10.
Regression coefficients of the child development rate function excluding investmentsa
| OLS | QR - Quantile
|
|||||
|---|---|---|---|---|---|---|
| 0.1 | 0.25 | 0.5 | 0.75 | 0.9 | ||
| African ancestry | −5.96*** (1.27) | −8.72*** (3.28) | −6.12*** (1.89) | −5.18*** (1.27) | −5.68*** (2.03) | −3.47** (1.75) |
| Native ancestry | −4.33** (1.75) | −5.06***b (1.68) | −5.28***b (1.20) | −3.48***b (0.75) | −2.81***b (0.90) | −1.34**b (0.66) |
| Socioeconomic status | 0.96** (0.38) | 1.01 (0.70) | 1.11** (0.51) | 0.73** (0.34) | 0.62* (0.36) | 0.44 (0.28) |
| Maternal mental health problems | −2.05 (1.29) | −0.26 (3.14) | −2.17 (1.64) | −1.56 (1.62) | −0.99 (1.40) | −2.77* (1.64) |
| Maternal chronic physical health problems | −1.33 (1.41) | −2.93 (3.97) | −1.41 (2.73) | −1.58 (1.58) | −1.25 (1.74) | 0.022 (1.28) |
| Maternal smoking during prenatal period | −1.43 (0.96) | −0.25 (2.70) | −0.92 (1.52) | −2.18* (1.13) | −0.054 (1.47) | 1.01 (1.14) |
| Child has private insurance | −1.46 (1.74) | −2.32 (2.18) | −1.96 (1.52) | −1.97* (1.04) | −0.86 (1.02) | −0.16 (0.85) |
| maternal age | −0.49 (0.30) | −0.66 (0.90) | −0.62 (0.56) | −0.38 (0.44) | −0.26 (0.44) | −0.12 (0.38) |
| maternal age squared | 0.01* (0.00) | 0.013 (0.015) | 0.011 (0.0095) | 0.0068 (0.0075) | 0.0049 (0.0074) | 0.0021 (0.0064) |
| Mother is single | −3.55*** (1.22) | −4.38* b (2.39) | −3.75** b (1.67) | −4.04*** b (1.04) | −2.18* b (1.21) | −0.27 b (1.04) |
| Mother is in a stable relationship | −1.67* (0.83) | −2.49 b (1.99) | −1.44 b (1.14) | −2.09** b (0.85) | −0.10 b (0.93) | 0.76 b (0.71) |
| Child’s age in months | 0.01 (0.07) | −0.40*** c (0.12) | −0.060 c (0.080) | 0.099* c (0.056) | 0.22*** c (0.051) | 0.23*** c (0.043) |
| Male child | −2.66*** (0.58) | −4.17*** (1.52) | −3.00*** (1.03) | −1.89*** (0.67) | −1.29* (0.72) | −0.92 (0.62) |
| Number of child’s siblings | −1.15*** (0.38) | −1.32* (0.72) | −1.08** (0.49) | −1.28*** (0.30) | −0.84** (0.41) | −0.31 (0.33) |
| Disabled sibling | −5.31* (2.76) | −8.83 (5.71) | −8.48** (4.21) | −4.24 (2.88) | −4.13* (2.40) | −6.48** (3.26) |
| Number of other household members | 0.48** (0.23) | 0.41 (0.33) | 0.34* (0.20) | 0.41** (0.20) | 0.30 (0.22) | 0.095 (0.15) |
| Brazil | −4.20* (2.36) | −4.98** c (2.39) | −6.72*** c (1.49) | −5.49*** c (1.05) | −3.41* c (1.81) | −0.31 c (1.03) |
| Bolivia | −14.27 (11.08) | −26.9*** c (6.48) | −17.2*** c (4.40) | −11.7*** c (2.21) | −8.17*** c (1.96) | −2.52 c (2.14) |
| Chile | −5.32 (3.81) | −8.58*** c (2.25) | −8.23*** c (1.56) | −5.19*** c (1.15) | −5.51*** c (1.24) | −0.27 c (0.96) |
| Ecuador | −7.34*** (2.41) | −8.26*** c (2.11) | −9.09*** c (1.42) | −9.17*** c (1.00) | −8.11*** c (1.01) | −1.63 c (1.03) |
| Constant | 14.88*** (5.08) | 6.69 (14.6) | 13.0 (8.14) | 15.3** (6.16) | 16.9*** (6.41) | 17.0*** (5.70) |
*, ** and ***
indicate p <0.1, <0.05 and <0.01, respectively.
Standard errors are in parentheses.
b and c
indicate that the differences in effects between quantiles are significant at p <0.05 and p <0.01, respectively.
a
Derived from the Bayley Infant Neurodevelopment Screener. Copyright @ 2004. Harcourt Assessment Inc. Used with Permission. All rights Reserved.