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).