PURPOSE: The aims of this cross-sectional study were to determine the prevalence of Staphylococcus aureus nasal colonization, evaluate community-related behavioral risk factors, and utilize staphylococcal protein A (spa) typing for epidemiological surveillance among community-based men who have sex with men from the National HIV Behavioral Surveillance System in Houston, Texas. METHODS: Descriptive methods and logistic analyses were used to determine associations with nasal colonization. RESULTS: The prevalence of S. aureus colonization was 29.7%; of these, 3.0% were colonized with methicillin-resistant S. aureus. Logistic analyses revealed that anal intercourse practices were associated with colonization (P < 0.05). A diverse population of 38 spa types was identified. CONCLUSION: Our findings suggest that an association among preferential sex practices, condom use, and S. aureus colonization exists and should be investigated further.
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