Differences in college students' knowledge, practices, and beliefs about hand hygiene by gender, class standing, and academic major.

a<p>Chi-square test for independence.</p>b<p>Frequencies do not match total N for all questions because not all respondents answered every question.</p><p>Data are percent (n).</p

Microbial flora on dorm room surfaces by type of dorm, frequency of cleaning, and frequency of illness.

a<p>Chi-square test for independence.</p><p>Data are percent (n) of surfaces with >10 colony forming units.</p

Baseline demographics of study participants (n = 501).

a<p>Frequencies do not match total N for all questions because not all respondents answered every question.</p>b<p>Subjects residing in suite style housing were more likely to have one or more roommates compared to those living in hall style housing (67.4% v. 48.3%, respectively).</p