...A Cox proportional hazards model indicated that elevated salivary cortisol (with increases in μ g/dl), marital/relationship status, and adverse childhood experiences (ACEs) score correlated significantly with hazards of discontinuing the program (hazard ratios for the three factors were 3.49, 2.39, and 1.50, respectively). Discussion Cortisol level may predict, at least partially, SUD treatment program retention regardless of individuals' numerous confounding factors or the substance used. If this approach is validated, it could enable providers to consider patients' cortisol levels at the time of admission to treatment to facilitate their retention in treatment and thereby enhance their recovery. Intake assessments of salivary cortisol, survey responses, and adverse childhood experiences are associated with recovery success in an abstinence-based treatment program for substance use disorders Taylor R. Maddox-Rooper , Kristiana Sklioutouskaya-Lopez , Trenton Sturgill , Ca...