Table 1: Socio-demographic characteristics of the participants.
Variable | 2004 (%) | 2008 (%) | 2012 (%) |
Gender | |||
Male | 62 | 62 | 57 |
Female | 38 | 38 | 43 |
Race/Ethnicity | |||
White | 75 | 72 | 77 |
Black | 15 | 17 | 15 |
Other | 10 | 11 | 8 |
Academic Year | |||
Freshman | 33 | 35 | 32 |
Sophomore | 26 | 27 | 27 |
Junior | 23 | 23 | 25 |
Senior | 19 | 15 | 16 |