The gender breakdown for the Spit for Science participants was 60% female, 40% male, compared to the overall fall 2011 freshman class breakdown of 57% female, 43% male. The racial distribution of the Spit for Science sample (with the breakdown for the university shown in parentheses) was 15% (14%) Asian, 20% (19%) African American, 7% (8%) Hispanic, 6% (5%) more than 1 race, and 50% (48%) White. Accordingly, the sample of participants closely maps onto overall VCU demographics in terms of gender and racial/ethnic distribution.