Replication of subtypes for smoking cessation within the contemplation stage of change [An article from: Addictive Behaviors]

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Description:
Objective: Tailored interventions based on stage of change and other Transtheoretical Model constructs have been effective for promoting smoking cessation. Recent cluster analyses based on the Pros and Cons from the Decisional Balance and the Situational Temptations measures performed within the stages have suggested the existence of distinct cluster subtypes. Cluster subtypes would permit the development of tailored interventions focusing on these subtypes. This study attempts to replicate cluster subtypes within the Contemplation stage of change in a secondary analysis of data from a sample of current smokers (N=3967). Method: Four random samples of 400 were selected from the 1734 Contemplators. The cluster analyses were performed using the Pros, Cons, and Situational Temptations. Interpretability of the pattern, pseudo-F-test, and dendograms were used to determine the number of clusters. Results: Four distinct cluster subtypes (Classic Contemplators, Progressing, Early Contemplators, and Disengaged) were found and replicated across samples. The clusters were externally validated using the 10 Processes of change and 2 smoking behavior variables (cigarettes per day and time before first morning cigarette). Statistically significant (p