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Randomized Controlled Trial
. 2024 Feb 22;19(1):12.
doi: 10.1186/s13722-024-00443-z.

Predictors of treatment outcome for individuals with alcohol use disorder with a goal of controlled drinking

Stina Ingesson-Hammarberg  1 , Nitya Jayaram-Lindström  2 , Anders Hammarberg  2
Affiliations
Randomized Controlled Trial

Predictors of treatment outcome for individuals with alcohol use disorder with a goal of controlled drinking

Stina Ingesson-Hammarberg et al. Addict Sci Clin Pract. .

Abstract

Background: Research is lacking on predictors of outcome for the treatment of alcohol use disorder (AUD) with a goal of controlled drinking (CD). The aim of the study was to investigate one-year outcomes of an RCT, investigating Behavioral Self-Control Training (BSCT) and Motivational Enhancement Therapy (MET) and predictors of positive outcome for weekly alcohol consumption, CD and symptom reduction in AUD.

Methods: This study is based on secondary analyses from a randomized controlled trial including 250 individuals with AUD (52% men) recruited from three specialized addiction clinics in Stockholm, Sweden. Linear and logistic mixed regression models were used for outcomes at 52 weeks, and linear and logistic regression models for the predictor analyses.

Results: BSCT was superior to MET for the change between baseline to 52 weeks for the outcome of CD, defined as low-risk drinking below ten standard drinks per week for both genders (p = 0.048). A total of 57% of individuals in BSCT attained a level of CD, as opposed to 43% in MET. Females were significantly better in attaining low-risk drinking levels compared to men. The predictor for obtaining CD and reducing weekly alcohol consumption, was a lower baseline alcohol consumption. Predictors of symptom reduction in AUD were lower baseline level of AUD, and a lower self-rated impaired control over alcohol consumption.

Conclusions: BSCT was superior to MET in obtaining CD levels, and women were superior to men for the same outcome. The study corroborated baseline consumption levels as an important predictor of outcome in CD treatments. The study contributes with important knowledge on key treatment targets, and knowledge to support and advice patients in planning for treatment with a goal of controlled drinking.

Trial registration: The original study was registered retrospectively at isrtcn.com (14539251).

Keywords: Alcohol use disorder; Behavioral self-control training; Controlled drinking; Motivational enhancement therapy; Predictor study.

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Conflict of interest statement

Author AH is on of the authors of the Swedish modified clinicians’ manual of BSCT and the modified and translated Swedish MET manual [13].

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