Characteristics of methicillin resistant <i>Staphylococcus aureus</i> nasal carriers and their gender and age matched controls.

Abbreviations: y, year; mo, month; min, minimum; max, maximum. aRace/ethnicity was self-reported by participants during the interview. The other category includes participants identifying their race or ethnicity as Asian, American Indian, or other. bAny participant who was previously prescribed mupirocin for MRSA nasal carriage within the past year was coded as having taken antimicrobials.