. Author manuscript; available in PMC: 2018 May 1.

Published in final edited form as: Prev Sci. 2017 May;18(4):440–449. doi: 10.1007/s11121-017-0778-0

Table 1. Descriptive Statistics by Group (Means and Standard Deviations).

	Post-College Environment	Graduate Student	Still in College	Test	p
Female n(%)	76 (73.8%)	68 (81.9%)	62 (63.9%)	χ² = 7.41^*	0.03
Neuroticism	3.12 (.81)	3.32 (.84)	3.03 (.83)	F = 2.78	0.06
Proportion of new trauma – Year 5	.07 (.16)	.06 (.14)	.08 (.16)	F = .52	0.60
Average PTSD symptoms – Year 5	25.10 (9.34)	24.56 (9.64)	26.85 (10.53)	F = 1.37	0.26
Average alcohol use – Year 5	10.38 (8.58)^a	9.08 (7.68)^a	6.24 (5.30)^b	F = 8.24^**	< .01
Avg alc consequences – Year 5	4.21 (5.48)^a	3.93 (5.94)^a	2.13 (3.42)^b	F = 4.85^**	< .01
Average PTSD symptoms – Year 4¹	26.52 (10.10)	25.03 (9.84)	27.52 (9.95)	F= 1.39	.25
Average alcohol use – Year 4	11.59 (8.71)^a	10.22 (7.36)^a	6.95 (5.78)^b	F= 10.20	< .01
Avg alc consequences – Year 4	4.55 (5.80)^a	4.49 (6.24)^a	2.82 (4.19)^b	F = 3.12^*	.05

Notes. Means that do not share a superscript letter in common were significantly different in post-hoc comparisons.

One participant was missing all Year 4 data on PTSD symptoms.

p<.05,

^**

p<.01