Spit for Science and 5% in MTF. Data from another large survey of college students, The College Alcohol Study (Knight et al., 2002), conducted by the Harvard School of Public Health with data on 23,751 students from 119 4 years colleges across the United States also suggest very similar rates of alcohol problems: 13% of Spit for Science participants endorsed two or more alcohol dependence symptoms compared to 14% of students in the College Alcohol Study.
