Within this context, we studied remission in a diverse treatment population of a large private, not-for-profit integrated care health system. We examined remission over 10 years employing a conceptual model of individual (demographics, problem severity and dependence type, treatment goals and health status at baseline), treatment (length of stay), and extra-treatment (12-step meetings during treatment) factors as predictors of remission (Delucchi et al., 2004, 2008; Mertens et al., 2005; Weisner et al., 2003). Our main focus was to understand how non-problem use versus abstinence as an “end of treatment” (12-month) outcome was related to stability of remission over the following 10 years, and how factors measured at intake and during treatment (i.e., length of stay, 12-step meeting attendance) helped to predict relapse versus remission over this time span. We compared non-problem users to abstainers on odds of relapse over 10 years. Using repeated measures of outcome status, we addressed the following questions: (a) How did the risk of relapse change over time between 5 and 11 years post-treatment after achieving remission at 1 year? (b) What was the risk of
