“…These findings are inconsistent with other studies of incarcerated men that have documented high rates of injection drug use (Grinstead et al, 2001(Grinstead et al, , 1997Lachance-McCullough, Tesoriero, Sorin, & Stern, 1994), and HCV infection (Hammett et al, 1999;Macalino et al, 2004;Solomon, Flynn, Muck, & Vertefeuille, 2004). Past research has found that most individuals who initiate drug injection do so in their late teens or early twenties (Carneiro, Fuller, Doherty, & Vlahov, 1999) and African Americans and Hispanics initiate drug injection at an older age than Caucasians (Battjes et al, 1992).…”