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Short-term effectiveness of the national German quitline for smoking cessation: results of a randomized controlled trial
Stockholm University, Faculty of Social Sciences, Department of Public Health Sciences, Centre for Social Research on Alcohol and Drugs (SoRAD). University Medical Center Hamburg-Eppendorf, Germany.ORCID iD: 0000-0001-7282-0217
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Number of Authors: 72024 (English)In: BMC Public Health, E-ISSN 1471-2458, Vol. 24, no 1, article id 588Article in journal (Refereed) Published
Abstract [en]

Background

The objective of the present study was to examine the short-term effectiveness of the national German quitline for smoking cessation.

Methods

A parallel-group, two-arm, superiority, randomized controlled trial with data collection at baseline and post-intervention (three months from baseline) was conducted. Individuals were randomized to either the intervention group, receiving up to six telephone counselling calls, or the control group, receiving an active control intervention (self-help brochure). The primary outcome was the seven-day point prevalence abstinence at post-assessment. Secondary outcomes included changes in smoking-related cognitions and coping strategies from pre- to post-assessment, the perceived effectiveness of intervention components, and the satisfaction with the intervention.

Results

A total of n = 905 adult daily smokers were assigned to either the intervention group (n = 477) or the control group (n = 428). Intention-to-treat analyses demonstrated that individuals allocated to the telephone counselling condition were more likely to achieve seven-day point prevalence abstinence at post-assessment compared to those allocated to the self-help brochure condition (41.1% vs. 23.1%; OR = 2.3, 95% CI [1.7, 3.1]). Participants who received the allocated intervention in both study groups displayed significant improvements in smoking-related cognitions and coping strategies with the intervention group showing greater enhancements than the control group. This pattern was also found regarding the perceived effectiveness of intervention components and the satisfaction with the intervention.

Conclusion

The present study provides first empirical evidence on the short-term effectiveness of the national German quitline for smoking cessation, highlighting its potential as an effective public health intervention to reduce the burden of disease associated with smoking.

Trial registration

This study is registered in the German Clinical Trials Register (DRKS00025343). Date of registration: 2021/06/07.

Place, publisher, year, edition, pages
2024. Vol. 24, no 1, article id 588
Keywords [en]
Smoking cessation, Telephone counselling, Randomized controlled trial, Quitline, Helpline, Tobacco smoking
National Category
Public Health, Global Health, Social Medicine and Epidemiology Substance Abuse
Identifiers
URN: urn:nbn:se:su:diva-228271DOI: 10.1186/s12889-024-18104-wISI: 001177048900012PubMedID: 38395782Scopus ID: 2-s2.0-85185968158OAI: oai:DiVA.org:su-228271DiVA, id: diva2:1850739
Available from: 2024-04-11 Created: 2024-04-11 Last updated: 2024-04-11Bibliographically approved

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Kraus, Ludwig

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