Table 1.

VTSABD Descriptive Statistics (N = 2,315^*)

Female	N/Mean	%/SD	Range
	1257	54.30%	–
Age:
Wave I	12.15	2.58	8 – 18
Wave II	13.11	2.46	9 – 18
Wave III	15.05	1.56	12 – 17
Wave IV	15.71	0.95	14 – 17
Wave V	21.91	2.04	18 – 28
Wave VI	26.53	2.51	22 – 32
Alcohol Problems:
Wave I	0.12	0.60	0 – 10
Wave II	0.14	0.68	0 – 10
Wave III	0.24	0.89	0 – 10
Wave IV	0.21	0.73	0 – 10
Wave V	0.97	1.66	0 – 9
Wave VI	1.01	1.81	0 – 9
Childhood SES	0.00	1.00	−2.76 – 3.42
Parental Education	14.56	2.32	8 – 21
Parental Occupation Prestige	48.35	9.98	23.95 – 64.38
Household Income	16.88	5.80	1 – 31
% Unemployment	3.56	3.89	0 – 22.53
% With College Degree	26.39	18.95	0 – 80.67
Median HH Income†	41.45	19.33	5.98 – 150.00
Externalizing Genetic Risk	.46	.14	.27 – .99
Internalizing Genetic Risk	.48	.11	.32 – .96
Mother Smoked During Pregnancy	515	23.68%	–
Mother Drank During Pregnancy	54	2.46%	–
Low Birth-weight	944	44.30%	–
Maternal Age at Birth	27.83	4.61	15.47 – 44.28

All percentages based on valid percentages

^*Sample size across the VTSABD (Wave I = 2,315; Wave II = 1,788; Wave III = 1,091; Wave IV = 329; Wave V = 2,315; Wave VI = 1,056)

^†In thousands of US dollars