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  Patterns of alcohol consumption among individuals with alcohol use disorder during the COVID-19 pandemic and lockdowns in Germany

Deeken, F., Reichert, M., Zech, H., Wenzel, J., Wedemeyer, F., Aguilera, A., et al. (2022). Patterns of alcohol consumption among individuals with alcohol use disorder during the COVID-19 pandemic and lockdowns in Germany. JAMA Network Open, 5(8): e2224641. doi:10.1001/jamanetworkopen.2022.24641.

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Deeken, Friederike1, Author
Reichert, Markus2, 3, 4, Author
Zech, Hilmar5, Author
Wenzel, Julia6, Author
Wedemeyer, Friederike7, Author
Aguilera, Alvaro8, Author
Aslan, Acelya9, Author
Bach, Patrick9, Author
Bahr, Nadja S.6, Author
Ebrahimi, Claudia6, Author
Fischbach, Pascale C.5, Author
Ganz, Marvin2, Author
Garbusow, Maria6, Author
Großkopf, Charlotte M.5, Author
Heigert, Marie6, Author
Hentschel, Angela5, Author
Karl, Damian9, Author
Pelz, Patricia6, Author
Pinger, Mathieu10, Author
Riemerschmid, Carlotta6, Author
Rosenthal, Annika6, AuthorSteffen, Johannes5, AuthorStrehle, Jens8, AuthorWeiss, Franziska10, AuthorWieder, Gesine8, AuthorWieland, Alfred9, AuthorZaiser, Judith9, AuthorZimmermann, Sina9, AuthorWalter, Henrik6, AuthorLenz, Bernd9, AuthorDeserno, Lorenz5, 11, 12, Author           Smolka, Michael N.5, AuthorLiu, Shuyan6, AuthorEbner-Priemer, Ulrich W.2, 3, AuthorHeinz, Andreas6, AuthorRapp, Michael A.1, AuthorReCoDe Consortium, Author              Romanczuk-Seiferth, Nina, AuthorStröhle, Andreas, AuthorBermpohl, Felix, AuthorHeim, Christine, AuthorBeck, Anne, AuthorTost, Heike, AuthorBanaschewski, Tobias, AuthorKiefer, Falk, AuthorMeyer-Lindenberg, Andreas, AuthorBeste, Christian, AuthorEndraß, Tanja, AuthorKiebel, Stefan, AuthorKirschbaum, Clemens, AuthorMarxen, Michael, AuthorNagel, Wolfgang E., AuthorPilhatsch, Maximilian, AuthorStock, Ann-Kathrin, AuthorArndt, Viktoria, AuthorBelanger, Matthew, AuthorChen, Hao, AuthorFrölich, Sasha, AuthorGhin, Filippo, AuthorNeumer, Caroline, AuthorSchwöbel, Sarah, AuthorGan, Gabriela, AuthorSchwarz, Kristina, AuthorKunas, Stefanie, AuthorStuke, Heiner, Author more..
1Department of Social and Preventive Medicine, University of Potsdam, Germany, ou_persistent22              
2Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Mannheim, Germany, ou_persistent22              
3Mental mHealth Lab, Institute of Sports and Sports Science, Karlsruhe Institute of Technology, Germany, ou_persistent22              
4Department of eHealth and Sports Analytics, Faculty of Sports Science, Ruhr University, Bochum, Germany, ou_persistent22              
5Department of Psychiatry and Psychotherapy, TU Dresden, Germany, ou_persistent22              
6Department Psychiatry, Charité University Medicine Berlin, Germany, ou_persistent22              
7Epilepsy-Center Berlin-Brandenburg (EZBB), Berlin, Germany, ou_persistent22              
8Center for Information Services and High Performance Computing, TU Dresden, Germany, ou_persistent22              
9Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health, Mannheim, Germany, ou_persistent22              
10Department of Clinical Psychology, Central Institute of Mental Health, Mannheim, Germany, ou_persistent22              
11Department of Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, University Hospital Würzburg, Germany, ou_persistent22              
12Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              


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 Abstract: Objective: To examine whether lockdown measures are associated with AC and consumption-related temporal and psychological within-person mechanisms.

Design, setting, and participants: This quantitative, intensive, longitudinal cohort study recruited 1743 participants from 3 sites from February 20, 2020, to February 28, 2021. Data were provided before and within the second lockdown of the COVID-19 pandemic in Germany: before lockdown (October 2 to November 1, 2020); light lockdown (November 2 to December 15, 2020); and hard lockdown (December 16, 2020, to February 28, 2021).

Main outcomes and measures: Daily ratings of AC (main outcome) captured during 3 lockdown phases (main variable) and temporal (weekends and holidays) and psychological (social isolation and drinking intention) correlates.

Results: Of the 1743 screened participants, 189 (119 [63.0%] male; median [IQR] age, 37 [27.5-52.0] years) with at least 2 alcohol use disorder (AUD) criteria according to the Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition) yet without the need for medically supervised alcohol withdrawal were included. These individuals provided 14 694 smartphone ratings from October 2020 through February 2021. Multilevel modeling revealed significantly higher AC (grams of alcohol per day) on weekend days vs weekdays (β = 11.39; 95% CI, 10.00-12.77; P < .001). Alcohol consumption was above the overall average on Christmas (β = 26.82; 95% CI, 21.87-31.77; P < .001) and New Year's Eve (β = 66.88; 95% CI, 59.22-74.54; P < .001). During the hard lockdown, perceived social isolation was significantly higher (β = 0.12; 95% CI, 0.06-0.15; P < .001), but AC was significantly lower (β = -5.45; 95% CI, -8.00 to -2.90; P = .001). Independent of lockdown, intention to drink less alcohol was associated with lower AC (β = -11.10; 95% CI, -13.63 to -8.58; P < .001). Notably, differences in AC between weekend and weekdays decreased both during the hard lockdown (β = -6.14; 95% CI, -9.96 to -2.31; P = .002) and in participants with severe AUD (β = -6.26; 95% CI, -10.18 to -2.34; P = .002).

Conclusions and relevance: This 5-month cohort study found no immediate negative associations of lockdown measures with overall AC. Rather, weekend-weekday and holiday AC patterns exceeded lockdown effects. Differences in AC between weekend days and weekdays evinced that weekend drinking cycles decreased as a function of AUD severity and lockdown measures, indicating a potential mechanism of losing and regaining control. This finding suggests that temporal patterns and drinking intention constitute promising targets for prevention and intervention, even in high-risk individuals.


Language(s): eng - English
 Dates: 2022-06-022022-08-01
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -



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Title: JAMA Network Open
Source Genre: Journal
Publ. Info: Chicago, IL : American Medical Association
Pages: - Volume / Issue: 5 (8) Sequence Number: e2224641 Start / End Page: - Identifier: ISSN: 2574-3805
CoNE: https://pure.mpg.de/cone/journals/resource/2574-3805