“…chronic conditions including depression Hunkeler et al, 2000;Katzelnick et al, 2000;Rost, Nutting, Smith, Werner, & Duan, 2001;Simon, Von Korff, Rutter, & Wagner, 2000;Unutzer et al, 2002;Wells et al, 2000), anxiety (Roy-Byrne, Katon, Cowley, & Russo, 2001), alcohol use disorders (Oslin et al, 2003), and physical health conditions (Aubert et al, 1998;Delaronde, 2002;Rich et al, 1995), at a lower total cost of care (Rich et al, 1995), particularly among the more severely ill (Wasson et al, 1992).…”