Does Tailoring on Additional Theoretical Constructs Enhance the Efficacy of a Print-Based Physical Activity Promotion Intervention?

David M. Williams, George D. Papandonatos, Ernestine G. Jennings, Melissa A. Napolitano, Beth A. Lewis, Jessica A. Whiteley, Beth C. Bock, Anna E. Albrecht, Shira Dunsiger, Alfred F. Parisi, Abby C. King, Bess H. Marcus

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Objective: To enhance a previously efficacious individually tailored physical activity (PA) promotion intervention by adding theoretical constructs to the tailored feedback. Design: We randomly assigned 248 healthy, underactive (moderate to vigorous physical activity [MVPA] min/week < 90) adults (mean age = 48.8 years, SD = 10.0) to receive either (a) a theoretically tailored (based on 5 constructs from the transtheoretical model and social-cognitive theory [SCT]) print-based PA promotion intervention (print) or (b) the same theoretically tailored print-based PA promotion intervention plus enhanced tailoring addressing 5 additional SCT constructs (enhanced print). Main Outcome Measure: The 7-day physical activity recall administered at baseline, Month 6, and Month 12, with outcomes operationalized as percentage achieving 150 min/week of MVPA. Results: When controlling for covariates, there was a nonsignificant trend in favor of the enhanced print condition reflecting 46% and 50% greater odds of achieving 150 min/week of MVPA at Month 6 and Month 12, respectively. Conclusion: Enhanced tailoring based on additional theoretical constructs may result in marginal improvements in physical activity outcomes.

Original languageEnglish (US)
Pages (from-to)432-441
Number of pages10
JournalHealth Psychology
Volume30
Issue number4
DOIs
StatePublished - Jul 2011

Keywords

  • Individual tailoring
  • Social-cognitive theory
  • Transtheoretical model

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