Table 1

Sample characteristics

CharacteristicN (%)
Age, mean±SD21.9±4.0
Gender
 Female182 (49.6)
 Male185 (50.4)
Class standing
 Undergraduate295 (80.4)
 Graduate72 (19.6)
Race/ethnicity
 White, non-Hispanic250 (68.1)
 Black or African-American50 (13.6)
 Asian or Pacific Islander36 (9.8)
 Mixed/other race19 (5.1)
 Hispanic12 (3.3)
Concurrent cigarette user
 Yes83 (22.6)
 No284 (77.4)
Total367 (100.0)