Table 2.
Distribution of Offspring-Specific and Familial Covariates
| Variable | N | Percentage |
|---|---|---|
| Offspring-Specific Covariatesa | ||
| Female | 2988 | 49.3 |
| Birth Order | ||
| One | 2691 | 44.4 |
| Two | 1978 | 32.6 |
| Three | 931 | 15.4 |
| Four plus | 466 | 7.7 |
| Maternal Teenage Childbearing | ||
| Noc | 3514 | 57.9 |
| Yes | 2461 | 40.6 |
| Missing | 91 | 1.5 |
| Maternal Alcohol Consumption during Pregnancy | ||
| Lowc | 5540 | 91.3 |
| High | 516 | 8.51 |
| Missing | 10 | 0.2 |
| Maternal/Familial Covariatesb | ||
| Mother Adolescent ASB | ||
| Lowc | 2327 | 86.4 |
| High | 248 | 9.6 |
| Missing | 119 | 4.4 |
| Maternal Intellectual Abilities | ||
| Highc | 2077 | 77.1 |
| Low | 522 | 19.4 |
| Missing | 95 | 3.5 |
| Maternal Educational Attainment | ||
| Highc | 2614 | 97.0 |
| Low | 80 | 3.0 |
| Maternal Income | ||
| Highc | 2247 | 90.1 |
| Low | 247 | 9.9 |
| History of Binge Drinking | ||
| Noc | 2253 | 83.6 |
| Yes | 441 | 16.4 |
| History of Alcohol Abuse/Dependence | ||
| Noc | 2213 | 82.2 |
| Yes | 436 | 16.2 |
| Missing | 45 | 1.7 |
| Maternal Adolescent Substance Use | ||
| Noc | 2076 | 77.1 |
| Yes | 578 | 21.5 |
| Missing | 40 | 1.5 |
| Family Race/Ethnicity | ||
| Caucasianc | 1335 | 49.6 |
| African American | 832 | 30.9 |
| Hispanic | 527 | 19.6 |
Note.
a
Based on 6,066 offspring.
b
Based on 2,694 unique mothers.
c
Used as the reference group in the analyses. Missing presents offspring or families with missing values for the variable.