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. 2022 Feb;30(1):59-72.
doi: 10.1037/pha0000389. Epub 2020 Oct 1.

The phenotype of recovery II: The association between delay discounting, self-reported quality of life, and remission status among individuals in recovery from substance use disorders

Liqa N Athamneh  1 , Roberta Freitas Lemos  1 , Julia C Basso  1 , Devin C Tomlinson  1 , William H Craft  1 , Madison D Stein  2 , Warren K Bickel  1
Affiliations

The phenotype of recovery II: The association between delay discounting, self-reported quality of life, and remission status among individuals in recovery from substance use disorders

Liqa N Athamneh et al. Exp Clin Psychopharmacol. 2022 Feb.

Abstract

Quality of life (QOL) and delay discounting (preference for smaller, immediate rewards) are significantly associated with substance use status, severity, and treatment outcomes. Associations between delay discounting and QOL among individuals in recovery from substance use have not been investigated. In this 2-study investigation, using data collected from The International Quit & Recovery Registry, we examined the association between QOL, discounting rates, and remission status among individuals in recovery from SUD. Study 1 (N = 166) investigated the relationship between delay discounting and QOL among individuals in recovery from SUD. Study 2 (N = 282) aimed to validate and extend the results of Study 1 by assessing the association between the remission status, delay discounting, and QOL among individuals in recovery from alcohol use disorder (AUD). In both studies, delay discounting was a significant predictor of QOL domains of physical health, psychological, and environment even after controlling for age, gender, race, ethnicity, education, and days since last use. In Study 2, a mediation analysis using Hayes's methods revealed that the association between the remission status and QOL domains of physical health, psychological and environment were partially mediated by the discounting rates. The current study expands the generality of delay discounting and indicates that discounting rates predict QOL and remission status among individuals in recovery from substance use disorders. This finding corroborates the recent characterizations of delay discounting as a candidate behavioral marker of addiction and may help identify subgroups that require special treatment or unique interventions to overcome their addiction. (PsycInfo Database Record (c) 2022 APA, all rights reserved).

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Figures

Figure 1
Figure 1
A Comparison from Study 2 of Discounting Rates (ln[k]) between Individuals in Remission and Not in Remission from AUDs. Note. Error bars represent 95% confidence intervals.
Figure 2
Figure 2
A Comparison from Study 2 of QOL Domains: (a) Physical Health, (b) Psychological, (c) Social Relationships, and (d) Environment between Individuals in Remission and Not in Remission from AUDs. Note. Error bars represent 95% confidence intervals.
Figure 3
Figure 3
Mediation Analyses Using QOL Domains: (a) Physical Health, (b) Psychological, and (c) Environment Note. Given that in all cases the indirect effect is statistically significant, they support partial mediation.
See this image and copyright information in PMC

References

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