Table A3.
Coefficients of the Smoking Participation Function of the Bivariate Probit Model of Child Neurodevelopment Risk Statusa
| Total | Low SES | High SES | |
|---|---|---|---|
| Maternal mental health problems | 0.450*** (0.132) | 0.449 (0.298) | 0.510 (0.530) |
| Maternal chronic physical health problems | 0.063 (0.161) | 0.030 (0.231) | 0.206 (0.341) |
| Socioeconomic status index | −0.114*** (0.041) | −0.133*** (0.047) | 0.061 (0.090) |
| African ancestry | 0.116 (0.133) | 0.009 (0.121) | 0.148 (0.405) |
| Native ancestry | −0.051 (0.109) | −0.203 (0.148) | 0.178 (0.163) |
| maternal age | −0.090** (0.041) | −0.083 (0.060) | −0.073 (0.102) |
| maternal age | 0.001 (0.001) | 0.001 (0.001) | 0.001 (0.002) |
| Mother is single | 0.341** (0.162) | 0.239 (0.209) | 0.560* (0.296) |
| Mother is in a stable relationship | 0.289*** (0.105) | 0.256* (0.134) | 0.308** (0.156) |
| Number of child’s older siblings | 0.138*** (0.039) | 0.100* (0.057) | 0.218*** (0.081) |
| Brazil | −0.289** (0.145) | −0.146 (0.123) | −0.824*** (0.303) |
| Chile | −0.142 (0.170) | −0.171 (0.173) | −0.443** (0.222) |
| Smoking rate | 17.331*** (4.694) | 16.518*** (4.656) | 25.337*** (8.741) |
| Smoking rate squared | −57.190*** (19.669) | −52.045*** (18.485) | −97.514*** (37.713) |
| Constant | −0.956 (0.664) | −0.967 (0.837) | −1.473 (1.660) |
| Observations | 1584 | 798 | 786 |
Note: Standard errors are in parentheses.
*, ** and ***
indicate p <0.1, <0.05 and <0.01, respectively.
a
Derived from the Bayley Infant Neurodevelopment Screener. Copyright @ 2004. Harcourt Assessment Inc. Used with Permission. All rights Reserved.