. Author manuscript; available in PMC: 2015 Apr 1.

Published in final edited form as: J Consult Clin Psychol. 2014 Dec 8;83(2):430–437. doi: 10.1037/a0038394

Table 2. Sample characteristics by intervention modality.

	In-person PFI	Computer- delivered PFI
Sample size, baseline/follow-up	1240/1056	1201/1018
Age, M (SD)	18.98 (1.17)	18.99 (1.27)
Female, M% (SD)	48.68 (13.02)	52.66 (10.53)
Race/ethnic, M%
White	74.25	73.08
Black	18.68	19.21
Hispanic/Latino	9.03	9.40
Asian/Pacific Islander	4.53	2.80
American Indian	1.48	2.30
Other/Prefer not to respond	6.24	5.85
^aYear in school, M%
Freshman	58.81	64.17
Sophomore	19.56	20.59
Junior	9.98	9.74
Senior	3.80	4.08

Note. PFI = Personalized Feedback Intervention. M = mean. SD = standard deviation. M% = mean percent.

= for studies with college population sample only (k = 9). Differences between groups were not statistically significant.