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Outcomes of cluster profiles within stages of change for sun protection behavior
Marimer Santiago-Rivas1, Wayne F Velicer, Colleen A Redding
1Cancer Prevention Research Center, University of Rhode Island, Kingston 02881-0808, USA. smarimer@my.uri.edu
Objective:
Predictive and external validity was studied among cluster profiles for sun protection behavior within stages from Transtheoretical Model of behavior change using follow-up data.
Methods:
Data from participants in a home-based expert system were analyzed. Longitudinal patterns of clusters on the precontemplation, contemplation, and preparation stages of change were assessed. Differences between clusters on membership in action/maintenance stages and scores on the Sun Protection Behavior Scale (SPBS) were measured at 12 and 24 months after intervention.
Results:
Differences between clusters on stage progression and on scores from the SPBS were found at 12 and 24 months after intervention at all stages.
Discussion:
Predictive and external validity of sun protection subtypes was established using sun protection variables after a stage-matched intervention. Results provide information to improve interventions for sun protection.
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