Table 2.

Fixed effects estimates from multilevel models predicting alcohol use and alcohol consequences from PTSD symptoms and college transition status.

	Alcohol Use			Alcohol Consequences
	B	SE	p	B	SE	P
Level 1 (within person)
Criterion A trauma	0.80	0.69	.242	0.50	0.61	.414
PTSD Symptoms	0.01	0.03	.687	0.05	0.03	.110
Level 2 (between person)
Criterion A trauma	4.67	3.33	.162	3.88	2.34	.098
PTSD Symptoms	-0.13*	0.05	.014	0.01	0.04	.824
Sex	1.50	1.02	.142	0.87	0.72	.229
Trait Negative Affect (NA)	-0.09	0.57	.874	0.01	0.40	.973
Transition Contrasts
Out of college vs. Still student (Contrast 1)	-1.89**	0.60	.002	-0.86*	0.42	.044
Undergrad vs. Grad student (Contrast 2)	2.75*	1.12	.015	1.89*	0.79	.017
Cross-level Interactions
PTSD symptoms (level 1) * Sex (level 2)	-0.13*	0.06	.032	-0.03	0.06	.690
PTSD symptoms (level 1) * NA (level 2)	0.01	0.03	.730	0.04	0.03	.258
PTSD symptoms (level 1) * Criterion A trauma (level 2)	-0.08	0.13	.530	-0.13	0.15	.369
PTSD symptoms (level 1) * Transition contrast 1 (level 2)	-0.03	0.03	.416	-0.08*	0.04	.035
PTSD symptoms (level 1) * Transition contrast 2 (level 2)	-0.01	0.06	.881	0.00	0.07	.953
Between-Person Interactions
PTSD symptoms (level 2) * Sex (level 2)	-0.24*	0.11	.026	-0.11	0.07	.139
PTSD symptoms (level 2) * NA (level 2)	-0.01	0.05	.860	-0.02	0.04	.680
PTSD symptoms (level 2) * Criterion A trauma (level 2)	-0.17	0.28	.554	-0.26	0.20	.185
PTSD symptoms (level 2) * Transition contrast 1 (level 2)	0.07	0.06	.255	-0.03	0.04	.498
PTSD symptoms (level 2) * Transition contrast 2 (level 2)	-0.11	0.12	.371	0.02	0.08	.831

^*p<05;

^**p<01