... While many variables that increase risk of partner violence have been proposed, indicators of risky lifestyles, including illicit substance use and HIV-positive status, have been consistently associated with higher risk of intimate partner violence in both heterosexual (e.g., Gilbert, El-Bassel, Chang, Wu, & Roy, 2012;Raghavan, Mennerich, Sexton, & James, 2006) and same-sex couples (Klitzman, Greenberg, Pollack, & Dolezal, 2001;Reif, 2001). Substance use and associated risky behaviors, while present across all socioeconomic statuses, may present a particularly high risk for marginalized and/or low income populations (Benson, Fox, DeMaris, & Van Wyk, 2003;Renzetti & Maier, 2002). Kelly, Izienicki, Bimbi, and Parsons (2011) found a significant relationship between substance use and intimate partner violence among a sample of gay, lesbian, and bisexual individuals. ...