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Do daily fluctuations in inhibitory control predict alcohol consumption? An ecological momentary assessment study

Jones, A, Tiplady, B, Houben, K, Nederkoorn, C and Field, M (2018) Do daily fluctuations in inhibitory control predict alcohol consumption? An ecological momentary assessment study. Psychopharmacology, 235. pp. 1487-1496. ISSN 0033-3158

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Rationale: Deficient inhibitory control is predictive of increased alcohol consumption in the laboratory; however, little is known about this relationship in naturalistic, real-world settings. Objectives: In the present study, we implemented ecological momentary assessment methods to investigate the relationship between inhibitory control and alcohol consumption in the real world. Methods: Heavy drinkers who were motivated to reduce their alcohol consumption (N = 100) were loaned a smartphone which administered a stop signal task twice per day at random intervals between 10 a.m. and 6 p.m. for 2 weeks. Each day, participants also recorded their planned and actual alcohol consumption and their subjective craving and mood. We hypothesised that day-to-day fluctuations in inhibitory control (stop signal reaction time) would predict alcohol consumption, over and above planned consumption and craving. Results: Multilevel modelling demonstrated that daily alcohol consumption was predicted by planned consumption (β =.816; 95% CI.762–.870) and craving (β =.022; 95% CI.013–.031), but inhibitory control did not predict any additional variance in alcohol consumption. However, secondary analyses demonstrated that the magnitude of deterioration in inhibitory control across the day was a significant predictor of increased alcohol consumption on that day (β =.007; 95% CI.004–.011), after controlling for planned consumption and craving. Conclusions: These findings demonstrate that short-term fluctuations in inhibitory control predict alcohol consumption, which suggests that transient fluctuations in inhibition may be a risk factor for heavy drinking episodes.

Item Type: Article
Uncontrolled Keywords: Humans; Alcoholic Intoxication; Predictive Value of Tests; Alcohol Drinking; Motivation; Time Factors; Adult; Female; Male; Craving; Smartphone; Ecological Momentary Assessment; Inhibition, Psychological; Alcohol; Craving; Ecological momentary assessment; Inhibitory control; Stop signal task; Adult; Alcohol Drinking; Alcoholic Intoxication; Craving; Ecological Momentary Assessment; Female; Humans; Inhibition, Psychological; Male; Motivation; Predictive Value of Tests; Smartphone; Time Factors; Psychiatry; 11 Medical and Health Sciences; 17 Psychology and Cognitive Sciences
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Divisions: Psychology (from Sep 2019)
Publisher: Springer
SWORD Depositor: A Symplectic
Date Deposited: 14 Sep 2022 10:03
Last Modified: 14 Sep 2022 10:03
DOI or ID number: 10.1007/s00213-018-4860-5
URI: https://researchonline.ljmu.ac.uk/id/eprint/17575
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