“…Although the instruments used to measure HIV risk behaviors often differ across studies (e.g., Arasteh et al, 2008; Magura et al, 1998), the HIV Risk-taking Behavior Scale (HRBS; Ward, Darke, & Hall, 1990) has become increasingly popular among researchers (e.g., Ghitza, Epstein, & Preston, 2008; Hanson, Alessi, & Petry, 2008; Kaye et al, 2014; Rash & Petry, 2009; Wu et al, 2011; Zhao, Holzemer, Johnson, Tulsky, & Rose, 2012). This psychometrically reliable and valid 11-item questionnaire assesses risky drug use behaviors and risky sexual behaviors (Darke, Hall, Heather, Ward, & Wodak, 1991; Lejuez, Simmons, Aklin, Daughters, & Dvir, 2004; Petry, 2001; Ward et al, 1990).…”