The Role of Tobacco Smoking in the Efficacy of Brief Alcohol Intervention: Results from a Randomized Controlled Trial

Filipa Krolo, Sophie Baumann, Anika Tiede, Gallus Bischof, Kristian Krause, Christian Meyer, Ulrich John, Beate Gaertner and Jennis Freyer-Adam
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Filipa Krolo: Institute for Medical Psychology, University Medicine Greifswald, Walther-Rathenau-Str. 48, D-17475 Greifswald, Germany
Sophie Baumann: Department of Methods in Community Medicine, Institute of Community Medicine, University Medicine Greifswald, Walther-Rathenau-Str. 48, D-17475 Greifswald, Germany
Anika Tiede: Institute for Medical Psychology, University Medicine Greifswald, Walther-Rathenau-Str. 48, D-17475 Greifswald, Germany
Gallus Bischof: Department of Psychiatry and Psychotherapy, University of Lübeck, Ratzeburger Allee 160, D-23538 Lübeck, Germany
Kristian Krause: Institute for Medical Psychology, University Medicine Greifswald, Walther-Rathenau-Str. 48, D-17475 Greifswald, Germany
Christian Meyer: German Centre for Cardiovascular Research, Partner Site Greifswald, Fleischmannstr. 42-44, D-17475 Greifswald, Germany
Ulrich John: German Centre for Cardiovascular Research, Partner Site Greifswald, Fleischmannstr. 42-44, D-17475 Greifswald, Germany
Beate Gaertner: Department of Epidemiology and Health Monitoring, Robert Koch Institute Berlin, General-Pape-Str. 62-66, D-12101 Berlin, Germany
Jennis Freyer-Adam: Institute for Medical Psychology, University Medicine Greifswald, Walther-Rathenau-Str. 48, D-17475 Greifswald, Germany

IJERPH, 2022, vol. 19, issue 10, 1-12

Abstract: This study investigated whether tobacco smoking affected outcomes of brief alcohol interventions (BAIs) in at-risk alcohol-drinking general hospital patients. Between 2011 and 2012 among patients aged 18–64 years, 961 patients were allocated to in-person counseling (PE), computer-based BAI containing computer-generated individual feedback letters (CO), and assessment only. PE and CO included contacts at baseline, 1, and 3 months. After 6, 12, 18, and 24 months, self-reported reduction of alcohol use per day was assessed as an outcome. By using latent growth curve models, self-reported smoking status, and number of cigarettes per day were tested as moderators. In PE and CO, alcohol use was reduced independently of smoking status (IRRs ≤ 0.61, p s < 0.005). At month 24, neither smoking status nor number of cigarettes per day moderated the efficacy of PE (IRR = 0.69, p s > 0.05) and CO (IRR = 0.85, p s > 0.05). Up to month 12, among persons smoking ≤ 19 cigarettes per day, the efficacy of CO increased with an increasing number of cigarettes ( p s < 0.05). After 24 months, the efficacy of PE and CO that have been shown to reduce drinking did not differ by smoking status or number of cigarettes per day. Findings indicate that efficacy may differ by the number of cigarettes in the short term.

Keywords: brief intervention; alcohol; tobacco; efficacy; computer invention; counseling; moderator (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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