Estimates of the Coefficient on the Older Sibling’s Behavior in a Linear Probability Model of Younger Sibling’s Behavior at the Same Age
| Smoking Cigarettes | Drinking Alcohol | Smoking Marijuana | Using Hard Drugs | |
|---|---|---|---|---|
| Panel A: All Siblings | ||||
| No controls | 0.226*** | 0.259*** | 0.157*** | 0.092*** |
| (0.011) | (0.012) | (0.011) | (0.012) | |
| Full set of controls | 0.173*** | 0.173*** | 0.135*** | 0.076*** |
| (0.011) | (0.012) | (0.011) | (0.012) | |
| Panel B: Brothers | ||||
| No controls | 0.215*** | 0.234*** | 0.151*** | 0.070* |
| (0.032) | (0.031) | (0.030) | (0.038) | |
| Full set of controls | 0.168*** | 0.157*** | 0.133*** | 0.048 |
| (0.031) | (0.033) | (0.030) | (0.033) | |
| Panel C: Sisters | ||||
| No controls | 0.336*** | 0.325*** | 0.228*** | 0.213*** |
| (0.038) | (0.030) | (0.035) | (0.073) | |
| Full set of controls | 0.226*** | 0.203*** | 0.177*** | 0.164** |
| (0.038) | (0.033) | (0.032) | (0.065) |
Note: Standard errors clustered at the household level in parentheses.
↵* denotes significant at 10 percent level,
↵** at 5 percent level, and
↵*** at 1 percent level. Sample sizes vary from 7,122 to 7,213 for full sample, 1,869 to 1,929 for brothers, 1,752 to 1,769 for sisters. The controls consist of male (Panel A only), black and Hispanic dummies, younger sibling’s age dummies, highest grade completed by age 19, mother’s highest grade completed, AFQT percentile score, number of siblings, birth order dummies, whether the respondent reported that her house had been broken in by age 12, whether she reported that she had been a victim of bullying by age 12, whether she reported having witnessed a shooting by age 12, and whether she lived with both biological parents at age 12.