Drinking with Friends: Measuring the Two-week Ecology of Drinking Behaviors

Author:

Clapp John D.1,Madden Danielle R.2,Pakdaman Sheila3

Affiliation:

1. John D. Clapp, Suzanne Dworak-Peck School of Social Work, University of Southern California, Los Angeles, CA, United States; College of Social Work, The Ohio State University, Columbus, OH, United States; Keck School of Medicine, Department of Preventive Medicine, University of Southern California, Los Angeles, CA, United States; Institute for Addiction Science, University of Southern California, Los Angeles, CA, United States

2. Danielle R. Madden, Suzanne Dworak-Peck School of Social Work, University of Southern California, Los Angeles, CA, United States; College of Social Work, The Ohio State University, Columbus, OH, United States; Institute for Addiction Science, University of Southern California, Los Angeles, CA, United States

3. Sheila Pakdaman, Keck School of Medicine, Department of Preventive Medicine, University of Southern California, Los Angeles, CA, United States; Institute for Addiction Science, University of Southern California, Los Angeles, CA, United States;, Email: spakdama@usc.edu

Abstract

Objectives: Despite the substantial influence these acute alcohol-related problems cause globally, past research has failed historically to capture the dynamic nature of drinking events, including how multiple factors (ie, individual, group, and environmental) interact to affect event-level intoxication. Fortunately, technology (eg, transdermal alcohol monitors) and smartphone surveys have provided researchers with new avenues to measure the complex nature of alcohol consumption. This paper presents the methods of a pilot study that sought to measure event-level alcohol consumption in a natural drinking group of college students. Methods: Ten groups of friends (N=49) were followed for 2 weeks with daily diary surveys, continuous activity trackers, hourly geographic ecological momentary assessments (EMAs) on 4 separate drinking occasions, and a transdermal alcohol monitor during one group-based social event. Results: On average, participants responded to > 75% of both daily diaries and EMAs and were compliant with activity trackers on 96% of monitoring days. Over 90% of the sample had usable transdermal data and after smoothing, peak transdermal alcohol contents ranged from 0.13 to 0.395 during the observation evening. Conclusion: The lessons learned during this pilot study can provide a building block for future work in this area, especially as data collection in alcohol research rapidly advances.

Publisher

JCFCorp SG PTE LTD

Subject

Public Health, Environmental and Occupational Health,Social Psychology,Health (social science)

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