The aim of this study was to determine predictors of research adherence and treatment initiation in at-risk older drinkers. This investigation was conducted at primary care clinics in the Philadelphia Veteran Affairs Medical Center and the University of Pennsylvania, participating sites in a larger multisite study trial (PRISM-E). Persons aged 65 and older with appointments at participating clinics were eligible for recruitment (n = 8367). Approximately half (n = 4000) consented to the study, of which 145 were identified as at-risk drinkers and 125 agreed to treatment. Slightly more than half of the patients who agreed to treatment attended a mental health visit. The results suggest that predictors of research adherence and treatment initiation vary across research stage. Principal predictors include age, mental health status, and at-risk drinking attributes. Moreover, there was evidence that an integrated care treatment model may be capable of improving treatment initiation in at-risk older drinkers who have no history of substance management behaviors. Future researchers can use the current findings to create mechanisms to improve research participation and treatment initiation and target participants with classifications of poor adherence.
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