“…While previous research has linked alcohol use with risky sexual behaviors (Stall, McKusick, Wiley, Coates, & Ostrow, 1986), only illicit drug use significantly predicted inconsistent condom use in the current study. This finding is consistent with research that showed a causal link between illicit drug use and HIV-risk behavior in this population (Halkitis, Parsons, & Stirratt, 2001;Stall et al, 1986;Stall & Purcell, 2000;Waldo, McFarland, Katz, MacKellar, & Valleroy, 2000).…”