ABC-training as a new intervention for hazardous alcohol drinking: Two proof-of-principle randomized pilot studies

ABC-training is a new intervention to encourage health behavior change that targets the automatic activation of adaptive beliefs (i.e. automatic inferences). The aim of this proof-of-principle study was to test the effectiveness of web-based ABC-training to change outcome expectancies of alcohol dri...

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Veröffentlicht in:Addiction (Abingdon, England) England), 2023-11, Vol.118 (11), p.2141-2155
Hauptverfasser: Van Dessel, Pieter, Cummins, Jamie, Wiers, Reinout W
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Sprache:eng
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Zusammenfassung:ABC-training is a new intervention to encourage health behavior change that targets the automatic activation of adaptive beliefs (i.e. automatic inferences). The aim of this proof-of-principle study was to test the effectiveness of web-based ABC-training to change outcome expectancies of alcohol drinking in a sample of hazardous drinkers. One exploratory and one confirmatory experiment with two between-subject conditions (online ABC- and control-training) and assessments at baseline and 1 week later (after three sessions of training). Participants recruited on Prolific Academic completed the web-based study. Adults with self-reported hazardous alcohol drinking (Experiment 1: 193 adults, United Kingdom, age mean = 46.7 years; Experiment 2: 282 adults, different nationalities, age mean = 38.3 years). ABC-training involved completing an online task that required choosing personally relevant alternative behaviors to drinking alcohol in personally relevant antecedent contexts to attain personally important outcomes. Comparator was control-training, in which participants selected both the alternative behaviors and alcohol drinking an equal number of times. Training was completed at baseline, after 3 days and after 1 week. Primary outcome was change in automatic and self-reported (negative/positive) outcome expectancies of alcohol drinking from baseline to after 1 week. Secondary outcomes were change in weekly alcohol consumption, self-efficacy, craving and motivation (and approach-alcohol associations in Experiment 1). Moderators were baseline outcome scores, motivation, age and alcohol dependency. Findings of this study are as follows: stronger increase in negative outcome expectancies after ABC- than control-training (Experiment 1: self-report, 95% confidence interval of difference scores (CI ) = [0.04, Inf]; automatic, CI  = [0.01, Inf]; Experiment 2: self-report, CI  = [0.16, Inf]; automatic, CI  = [0.002, Inf]). Stronger reduction in self-reported positive outcome expectancies after ABC- than control-training (Experiment 1: CI  = [-Inf, -0.01]; Experiment 2: CI  = [-Inf, -0.21]) but mixed findings on automatic positive outcome expectancies (Experiment 1: CI  = [-Inf, 0.02]; Experiment 2: CI  = [-Inf, -0.001]). ABC-training may change outcome expectancies of alcohol consumption, but testing of clinically relevant effects in other samples is warranted.
ISSN:0965-2140
1360-0443
DOI:10.1111/add.16271