Table 1.
Maternal and youth demographics and descriptives
| Variable | Descriptive Statistic |
|---|---|
| Maternal Age (years) | |
| M (SD) | 46.52 (5.45) |
| Range | 36–56 |
| Maternal Education % | |
| High school graduate | 20% |
| Some college/Associate’s degree | 36% |
| Bachelor’s college degree | 10% |
| Some graduate work/Master’s degree | 34% |
| Maternal Race % | |
| Black/African American | 3% |
| White | 97% |
| Maternal CGG Repeat Length | |
| M (SD) | 96.43 (15.00) |
| Range | 64–126 |
| Household Income | |
| $0-$50,000 | 18% |
| $50,001-$100,000 | 29% |
| $100,001-$150,000 | 32% |
| >$150,001 | 21% |
| Youth Age | |
| M (SD) | 18.48 |
| Range | 16–27 |
| Youth Nonverbal IQa | |
| M (SD) | 39.79 (6.13) |
| Range | 36–56 |
| Youth Expressive Vocabularyb | |
| M (SD) | 56.83 (17.47) |
| Range | 20–85 |
| Youth Race % | |
| Black/African American | 3% |
| White | 94% |
| Other | 3% |
a
Measured with the Leiter-R Brief IQ (Roid & Miller, 1997).
b
Standard scores measured with the Expressive Vocabulary Test, 2nd Edition (Williams, 2007).