Table 1.
Demographic characteristics of final sample.
| Mean (SD) | Minimum | Maximum | |
|---|---|---|---|
| Daughter age at baseline | 9.12 (1.55) | 9.12 | 15.44 |
| Daughter age of first scan | 14.82 (3.09) | 10.32 | 22.82 |
| Mother age at scan | 45.04 (5.43) | 27.96 | 55.19 |
| Time between first and last scans (years) | 4.61 (2.15) | 0.61 | 9.93 |
| Household income (in thousands) | 83.36 (24.66) | 17.50 | 100 |
| $10,000–25,000 | 4% | ||
| $25,000–50,000 | 11% | ||
| $50,000–75,000 | 11% | ||
| $75,000–100,000 | 20% | ||
| Greater than $100,000 | 55% | ||
| Maternal, paternal education (years) | 15.83 (2.16), 15.50 (2.51) | 12, 11 | 20, 20 |
| Less than high school/GED | 0%, 5% | ||
| High school diploma/GED | 7%, 11% | ||
| Some college | 15%, 17% | ||
| 2-year college degree | 7%, 1% | ||
| 4-year college degree | 44%, 36% | ||
| Master’s degree | 21%, 24% | ||
| Doctorate | 7%, 6% | ||
| Mother race | |||
| Caucasian | 78% | ||
| African-American | 4% | ||
| Latino | 7% | ||
| Asian-American | 8% | ||
| Other/Mixed | 3% | ||
| Daughter race | |||
| Caucasian | 64% | ||
| African-American | 3% | ||
| Latino | 2% | ||
| Asian-American | 3% | ||
| Other/Mixed | 28% | ||
| Mothers with a history of MDD | 50% | ||
| Daughters experiencing an episode of MDD | 32%* | ||
*This percentage is of girls who were followed through age 18 or until the onset of an episode of MDD (N = 69).