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Self-Efficacy as a Potential Mechanism of Behavior Change in Mindfulness-Based Relapse Prevention

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Abstract

Objectives

Self-efficacy, the belief in one’s ability to moderate or abstain from heavy drinking and drug use, predicts outcomes following substance use disorder (SUD) treatment. The current study examined whether self-efficacy was associated with treatment outcomes in a trial of mindfulness-based relapse prevention (MBRP), cognitive-behavioral relapse prevention (RP), and treatment as usual (TAU). We hypothesized self-efficacy would mediate the effects of treatment on substance use outcomes.

Methods

Secondary analyses of a randomized clinical trial of MBRP, RP, versus TAU among individuals with SUD in an aftercare setting (n = 286; 71.5% male; 42.1% non-White) were performed. Change in self-efficacy, measured via the Drug Taking Confidence Questionnaire at baseline, post-treatment, 6-month follow-up, and 12-month follow-up, was examined using latent growth mediation models on 12-month heavy drinking and drug use.

Results

Greater self-efficacy at post-treatment and increases in self-efficacy over time predicted a significantly higher probability of no drug use and no heavy drinking at 12-month follow-up. Greater self-efficacy at post-treatment was also associated with significantly fewer days of heavy drinking among those who drank, and mediated the association between treatment condition and probability of no drug use and fewer heavy drinking days at 12-month follow-up. Those who received MBRP had the highest self-efficacy at post-treatment, which was associated with greater probability of no drug use and fewer heavy drinking days.

Conclusions

Self-efficacy is an important treatment target for individuals with SUD. These results highlight the potential utility of MBRP in improving self-efficacy and suggest self-efficacy may be one mechanism by which MBRP is effective.

Parent Trial Registration

https://ClinicalTrials.gov; registration number: NCT01159535.

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Data Availability

We are unable to publicly make available data as participants did not explicitly consent to public data sharing and public data sharing was not in our protocol. However, we have made available the analyses of the present secondary analysis (code and output) on the Open Science Framework (https://osf.io/9mf6v/).

References

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Funding

This research was made possible by funding from the National Institute on Drug Abuse (R01DA025764 and UH3DA051241).

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Authors and Affiliations

Authors

Contributions

DML: wrote the manuscript and collaborated on the analyses of the present study. ES: collaborated in the writing and editing of the final manuscript, specifically regarding the “Method” section. SB: conceptualized the study and collaborated in the writing and editing of the final manuscript. KW: conceptualized the study, conducted the analyses of the present paper, and collaborated on the writing and editing of the final manuscript.

Corresponding author

Correspondence to David I. K. Moniz-Lewis.

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Ethics Statement

All procedures of the parent trial were approved by the University of Washington Institutional Review Board.

Informed Consent

Written informed consent was obtained from all participants of the parent trial.

Conflict of Interest

The authors declare no competing interests.

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Moniz-Lewis, D.I.K., Stein, E.R., Bowen, S. et al. Self-Efficacy as a Potential Mechanism of Behavior Change in Mindfulness-Based Relapse Prevention. Mindfulness 13, 2175–2185 (2022). https://doi.org/10.1007/s12671-022-01946-z

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  • DOI: https://doi.org/10.1007/s12671-022-01946-z

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