“…It followed that interventions, to succeed, must intervene at more than one level if they were to achieve lasting success. Both sex work and substance abuse may be viewed from an economic perspective as phenomena representing rational decisions, made by individuals operating within severely constrained circumstances (Goldstein, 1979;Goldman, 1981;Romero-Daza, Weeks & Singer, 1998;Hanson, Lopez-Iftikhar, Alegria et al, 2002;Maher, 1996;Maher & Daly 1996;Bretteville-Jensen & Sutton, 1996). Research has shown that women who engage in street sex work are more likely to have suffered from child sexual abuse (Widom & Kuhns, 1996;McClanahan et al, 1999), to demonstrate signs of psychological distress (Young, Boyd and Hubbell 2000), and to experience stigmatization and poor overall health (Baker, Wilson, & Winebarger, 2004;Jeal & Salisbury, 2004).…”