Impact of labeled glasses in a bar laboratory setting: no effect on ad libitum alcohol consumption

Clarke, N ORCID: 0000-0003-2375-4510 and Rose, A.K (2020) 'Impact of labeled glasses in a bar laboratory setting: no effect on ad libitum alcohol consumption.' Alcoholism: Clinical and Experimental Research, 44 (8). pp. 1666-1674. ISSN 0145-6008

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Official URL: https://doi.org/10.1111/acer.14392

Abstract

Aims:- Information provided on glass labels may be an effective method to reduce alcohol consumption. The aim of this study was to assess the impact of glass labels conveying unit information and a health warning in reducing ad libitum alcohol consumption. Methods:- A cluster-randomized experimental study was conducted to measure the efficacy of a labeled glass in reducing alcohol consumption in a semi naturalistic bar laboratory setting, in a sample of 81 pairs (n = 162) of UK young adult drinkers. Pairs were randomized to receive two 340-ml glasses of beer or wine: labeled or plain (control). Alcohol consumption was assessed in an ad libitum drinking period, and urge to drink was measured at baseline and postdrinking period. Focus groups (n = 2) were conducted, and thematic analysis was used to gain an insight into the acceptability and the perceived effectiveness of the glasses. Results:- Mean unit consumption was 1.62 (SD ± 0.83) units in the labeled glass condition and 1.69 (SD ± 0.82) units in the non labeled glass condition. There were no significant effects of the labeled glasses on ad libitum alcohol consumption (95% CI −0.25 to 0.37, p = 0.35), despite participants (85%) noticing the information. Qualitative analysis of focus groups indicated that although participants perceived the glasses as a useful tool for increasing awareness of units and guidelines, they were viewed as limited in their potential to change drinking behavior due to the unappealing design of the glass and a view that unit guidelines were not relevant to drinking patterns or contexts. Conclusions:- Labeled glasses did not change alcohol consumption in the current study, potentially due to ineffectiveness of this type of message in a young adult population. The information on the glasses was attended to, highlighting that glasses could be a feasible tool for providing information.

Item Type: Article
Keywords: alcohol, drinking, consumption, urge, labeling, alcohol unit labels, labeled glasses
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: School of Sciences
Identification Number: https://doi.org/10.1111/acer.14392
Date Deposited: 04 May 2022 11:47
Last Modified: 05 May 2022 05:30
URI / Page ID: http://researchspace.bathspa.ac.uk/id/eprint/14752
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