Subgroups Among Smokers in Preparation: A Cluster Analysis Using the I-Change Model.
Eline Suzanne Smit1,2, Stephanie Brinkhues3, Hein de Vries2
1a Department of Communication Science, Amsterdam School of Communication Research/ASCoR , University of Amsterdam , Amsterdam , The Netherlands.
Substance Use & Misuse
|November 2, 2017
Summary
Researchers identified four subgroups of smokers in the preparation stage for quitting. Tailoring smoking cessation interventions to these specific subgroups, like Classic Preparers, may improve effectiveness.
Area of Science:
- Behavioral science
- Public health
- Addiction research
Background:
- Tailoring smoking cessation interventions to individual smokers' profiles can enhance effectiveness.
- The preparation stage of change is crucial as smokers are highly motivated to quit.
Purpose of the Study:
- To investigate if Dutch adult smokers in the preparation stage of change can be organized into distinct subgroups.
- To determine if these subgroups differ in characteristics and quit attempt outcomes.
Main Methods:
- Secondary analysis of 753 smokers from a web-based, computer-tailored smoking cessation program trial.
- Cluster analysis based on pros/cons of quitting and self-efficacy, with validation using chi-squared tests, ANOVA, and regression analyses.
Main Results:
- Four distinct clusters were identified: Classic, Unprepared, Progressing, and Disengaged Preparers.
- Clusters differed in baseline characteristics, including gender, cigarette dependence, and education.
- Disengaged Preparers showed significantly lower odds of six-month smoking abstinence compared to Progressing Preparers.
Conclusions:
- Smoking cessation interventions tailored to the general preparation stage may only suit 'Classic Preparers'.
- Other identified subgroups (Unprepared, Progressing, Disengaged) may require distinct, tailored interventions based on their specific cognitive profiles.
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