Table 1.

Descriptive data for each sample.

Demographics	Borsari & Carey, 2000 (n = 29)	Carey et al., 2006 (n = 138)	Murphy et al., 2004 (n = 54)
Data Collection Period	1999	2001–2003	2001 – 2002
Age	18.6 (0.81)	19.29 (0.87)	19.91 (1.22)
Male	56%	35%	31%
Caucasian	90%	87%	94%
Greek Membership	14%	26%	52%
Year in School
Freshman	68%	50%	8%
Sophomore	23%	38%	34%
Junior	2%	9%	34%
Senior	7%	3%	24%
Alcohol Use
Frequency of drinking, past month	12.6 (4.80)	14.17 (5.38)	12.58 (5.17)
Drinks per week	18.1 (10.52)	20.62 (14.44)	24.12 (8.74)
Binge drinking epidodes, past month	4.80 (1.04)	7.64 (4.62)	9.21 (5.05)
Alcohol-related Problems
RAPI	3.4 (0.94)	5.94 (4.16)	7.85 (4.24)

Note. RAPI = Rutgers Alcohol Problem Index, dichotomously scored