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Introduction and Aims. Comprehensively investigating alcohol-related behaviours in the context of a dynamic multi-day alcohol-licensed event is important for understanding and minimising patron risk. We aimed to assess the measurement utility of implementing a multi-dimensional alcohol assessment battery using biometric data collection, real-time drink logs and retrospective self-report measures over the course of a 4-day music festival. Methods. Fourteen adults participated (n = 7 male, mean age 21.9 years). Breath and transdermal alcohol concentration (BrAC and TAC, respectively) were measured using breathalysers and transdermal alcohol bracelets. A real-time drink log was completed via smartphones on initiating each drink, and a retrospective questionnaire was administered up to twice daily throughout the event (6 timepoints total). Results. While almost all participants (92.9%) logged significantly fewer drinks in real-time than they retrospectively reported via the twice-daily questionnaires, logs provided important contextual information including the types of drinks consumed and drinking intensity. Compared to BrAC, TAC provided a better understanding of the time course of intoxication, indicating highest alcohol consumption outside of static BrAC assessment windows. However, BrAC provided a better assessment of present state: all participants were 0.00% BrAC at departure despite over two-fifths (42.9%) of the sample’s last TAC reading exceeding 0.00%. Conclusions. As standalone assessments, each method possessed limitations. As a combined battery, they were successfully administered simultaneously, resulting in a more comprehensive overview of alcohol consumption/intoxication over the prolonged drinking session. However, the marked burden of simultaneous administration should be considered, and measures should be chosen judiciously based on research needs. [Norman T, Peacock A, Ferguson SG, Kuntsche E, Bruno R. Combining transdermal and breath alcohol assessments, real-time drink logs and retrospective self-reports to measure alcohol consumption and intoxication across a multi-day music festival.

Item Type:	Refereed Article
Keywords:	alcohol intoxication, ecological momentary assessment, transdermal alcohol measurement, breath alcohol concentration
Research Division:	Psychology
Research Group:	Clinical and health psychology
Research Field:	Health psychology
Objective Division:	Health
Objective Group:	Public health (excl. specific population health)
Objective Field:	Substance abuse
UTAS Author:	Norman, T (Mr Thomas Norman)
UTAS Author:	Peacock, A (Miss Amy Peacock)
UTAS Author:	Ferguson, SG (Professor Stuart Ferguson)
UTAS Author:	Bruno, R (Associate Professor Raimondo Bruno)
ID Code:	142483
Year Published:	2020
Deposited By:	Psychology
Deposited On:	2021-01-19
Last Modified:	2021-01-20
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