TABLE 3.

Growth models of alcohol use for single-dating group (n=59)

	HED frequency		Typical drinks per week
Fixed effects	AOR	(95% CI)	ACR	(95% CI)
Intercept (level at age 21)	0.09	(0.04,0.20)	3.40	(2.44,4.74)
Female	0.67	(0.19,2.41)	0.50	(0.26,0.97)
Proportion of months casual dating	1.68	(0.20,14.23)	1.06	(0.33,3.40)
Casual dating month	1.31	(0.79,2.16)	1.25	(1.07,1.45)
Age (rate of change at age 21)	0.88	(0.67,1.15)	0.89	(0.73,1.08)
Age squared (acceleration in rate of change)	0.97	(0.86,1.10)	1.00	(0.94,1.07)
Random effects	var.	p=	var.	p=
Intercept	4.75	<.001	1.26	<.001
Casual dating month	0.54	.306	0.08	.083
Level 1 residual			2.09

Fixed effects estimates significant at p<.05 in bold. HED=heavy episodic drinking, AOR=adjusted odds ratio, ACR=adjusted count ratio, var.=variance component