Abstract：
BACKGROUND:Delay discounting (DD) has been identified as a trans-disorder process underlying addictive behaviors, including smoking. Previous studies have evaluated how different treatments for drug dependence have affected DD, showing mixed results. Furthermore, no study has examined the effects of changes in depression on DD rates. The aim of this study was to evaluate the impact of treatment type: cognitive behavioral treatment (CBT), CBT + behavioral activation (BA), or CBT + BA + contingency management (CM), and changes in smoking status and depression on DD rates in long-term follow-up among a sample of treatment-seeking smokers with depression. METHODS:Participants were 180 treatment-seeking smokers with depression who were randomly assigned to one of the following treatment conditions: CBT (n = 60), CBT + BA (n = 60), and CBT + BA + CM (n = 60). Depressive symptomatology and major depression diagnosis were evaluated through the BDI-II and the SCID-I of the DSM-IV-TR. DD rates were assessed using the DD task with hypothetical monetary rewards. Smoking status, DD, and depressive symptomatology were collected at baseline, at end-of-treatment and at one-, two-, three-, and six-month follow-ups. RESULTS:CM for smoking cessation reduces DD rates (p = .0094). Smoking abstinence (p = .0024) and reduction in depressive symptoms (p = .0437) were associated with decreases in DD rates in long-term follow-up. CONCLUSIONS:CM interventions for smoking cessation, smoking abstinence, and the improvement of depression contribute to reductions in DD over time.
journal_name
Drug Alcohol Dependjournal_title
Drug and alcohol dependenceauthors
García-Pérez Á,Vallejo-Seco G,Weidberg S,González-Roz A,Secades-Villa Rdoi
10.1016/j.drugalcdep.2020.108007subject
Has Abstractpub_date
2020-07-01 00:00:00pages
108007eissn
0376-8716issn
1879-0046pii
S0376-8716(20)30172-1journal_volume
212pub_type
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