Table 5.

Standardized estimates [95% confidence intervals] of additive genetic (A), common environmental (C), and unique environmental (E) influences on educational level and two alcohol problem measures from univariate models

	Females			Males
	A	C	E	A	C	E
Education	.32 [.15–.50]	.30 [.14–.45]	.37 [.33–.43]	.41 [.24–.60]	.28 [.11–.43]	.31 [.26–.36]
RAPI	.48 [.43–.53]	—	.52 [.47–.57]	.48 [.43–.53]	—	.52 [.47–.57]
Max. drinks	.44 [.37–.51]	—	.56 [.49–.63]	.45 [.37–.53]	—	.55 [.47–.63]

Notes: RAPI = Rutgers Alcohol Problem Index; max. drinks = maximum number of drinks consumed in a 24-hour period.