Effectiveness of Tobacco Cessation Interventions in Sweden

• Conditions: Cigarette Use, Electronic; Tobacco Use; Smoking
• Interventions: Behavioral: Tobacco cessation intervention

• Registration Number: NCT04819152
• Lead Sponsor: Lund University

Brief Summary

Smoking is still one of the most important risk factors causing morbidity and mortality in Sweden. Every year, 12,000 Swedish citizens die prematurely from smoking, and smoking is responsible for up to 60% of the inequity in health.

Though the smoking prevalence is relatively low in Sweden in an international context (8% and 10% for men and women respectively in 2016), specific vulnarable groups have a very high prevalence; e.g. about 80% in alcohol and drug abusers. Furthermore, Sweden has a unique high prevalence of snus users and in 2016 the daily use of tobacco was 25% for men and 14% for women. In addition, products such as cigarettes, snus, and e-cigettes are often mixed.

Despite the fact that about a thousand counsellors have been trained in manual-based person-centred tobacco cessation interventions in Sweden, the effectiveness of the interventions remains unknown, as a follow-up on effect of in-person interventions is not systematically collected in Sweden. Therefore, as of today it is not possible, on a national level, to compare the effectiveness of differences in these interventions, providers, or different groups of tobacco users including disadvantaged and vulnerable groups.

In this study the investigators will evaluate the effectiveness of already implemented in-person cessation interventions targeting smoking, use of snus and/or e-cigarettes, focusing on disadvantaged and vulnerable groups of tobacco users. Furthermore, important factors associated with a successful outcome after controlling for confounders will be identified (in relation to programme, patients and setting).

Detailed Description

Not available

Study Timeline

• Study Start: 2020-04-09
• Study First Submitted: 2021-03-23
• Study First Submitted QC: 2021-03-25
• Study First Posted: 2021-03-26
• Status Verified: 2022-08
• Last Update Submitted: 2022-08-16
• Last Update Posted: 2022-08-18
• Primary Completion: 2022-12
• Study Completion: 2023-12

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 8000

Inclusion Criteria

• All adult tobacco users (of at least 18 years of age), including disadvantaged and vulnerable patients, receiving an in-person intervention (incl. online meetings) for tobacco cessation (smoking, snus and/or e-cigarettes) are eligible for inclusion in the project after giving informed consent.
• Both individual and group-based interventions can be included.

Exclusion Criteria

• Withdrawing consent.
• Reduced ability to give informed consent, due to inadequate language skills, dementia, and other conditions.

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Exposed	Tobacco cessation intervention	Several studies will be performed based on this cohort. I each study the exposed group will be a group of tobacco users evaluatedin the relevant study. This could be a vulnarable group tobacco users such as: users without a job, with short or no education, without permanent housing, diagnosed with mental illness, diagnosed with chronic obstructive pulmonary disease (COPD), undergoing surgery, adolescents, elderly, migrants, or pregnant women.
Unexposed	Tobacco cessation intervention	In each study the unexposed group will consist of tobacco user from the study cohort without the condition examined in the relevant study.

Primary Outcome Measures

Name	Time	Method
% of patients that are continuously smokefree	6 months	Self-reported smoking status, questionnaire completed by telephone interview

Secondary Outcome Measures

Name	Time	Method
% of patients that are smokefree	On completion of the tobacco cessation programme (app. 1 month after quitting)	Counsellor observed smoking status, questionnaire completed by counsellor
% of patients that have been smokefree for at least the latest 14 days	6 months	Self-reported smoking status, questionnaire completed by telephone interview
% of patients that are satisfied with the smoking cessation intervention	6 months	Self-reported patient-satisfaction, questionnaire completed by telephone interview

Trial Locations

Locations (8)

Flogsta vårdcentral; 🇸🇪 Uppsala, Sweden

Tybble vårdcentral; 🇸🇪 Örebro, Sweden

Ekeby Hälsocenter; 🇸🇪 Uppsala, Sweden

Tobakspreventiva enheten, USÖ; 🇸🇪 Örebro, Sweden

Livsstilsmedicin Österåsen; 🇸🇪 Sollefteå, Västernorrland, Sweden

Tobaksavvänjningen, Kirurgisk mott., CLV Växjö lasarett; 🇸🇪 Växjö, Kronoberg, Sweden

Capio Go; 🇸🇪 Malmö, Skåne Län, Sweden

Tobakspreventiv mottagning Karlskoga; 🇸🇪 Karlskoga, Örebro Län, Sweden