title: Self-efficacy mediates the relationship between depression and length of abstinence after treatment among youth but not among adults.
abstract: We present two studies testing whether self-efficacy mediates the relationship between depression symptoms and initial abstinence duration after substance use treatment in adolescents and adults. Study 1: Adolescents (N = 208) were recruited from substance use treatment in an urban/suburban area in the United States between 1999 and 2005 and were followed monthly after discharge. Measures used were affective state (depression symptoms), drug-taking coping self-efficacy, and length of abstinence after treatment. Self-efficacy fully mediated the relationship between depression and time to use. Study 2: In a similar study design, adult veterans (N = 160) in outpatient substance user treatment were interviewed during treatment and monthly following treatment. Depression was negatively associated with self-efficacy, and self-efficacy predicted time to first substance use, but there was no mediation. Study implications and limitations are noted.
authors.affiliation: Department of Psychiatry, University of California at San Francisco, San Francisco, California 94143, USA. danielle.ramo@ucsf.edu
authors.forename: Danielle E
authors.initials: DE
authors.lastname: Ramo
authors.forename: Mark G
authors.initials: MG
authors.lastname: Myers
authors.forename: Sandra A
authors.initials: SA
authors.lastname: Brown
mesh_terms: D000293:Adolescent; D000328:Adult; D003863:Depression; D005260:Female; D006801:Humans; D007407:Interviews as Topic; D008297:Male; D008875:Middle Aged; D011599:Psychopathology; D016032:Randomized Controlled Trials as Topic; D020377:Self Efficacy; D019966:Substance-Related Disorders / Q000517:prevention & control* / Q000534:rehabilitation; D011795:Surveys and Questionnaires; D055815:Young Adult
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