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Engagement Indicators Predict Health Changes in a Lifestyle Intervention
- Thomson, Jessica L., Tussing-Humphreys, Lisa M., Goodman, Melissa H., Zoellner, Jamie M.
- American Journal of Health Behavior 2015 v.39 no.3 pp. 409-420
- education, exercise, health behavior, humans, lifestyle, models, people, prediction
- Objective: To evaluate the utility of several participant engagement indicators for predicting health changes in a church-based lifestyle intervention shown effective for improving dietary, physical activity, and clinical outcomes. Methods: Descriptive indicators were constructed using 2 participant engagement measures – education session attendance (EDA) and exercise class attendance (EXA) – separately and combined. Relationships of 6 engagement indicators to health outcomes were tested using generalized linear mixed models. Results: EDA predicted 5 dietary and 1 clinical outcome, while EXA predicted 1 physical activity and 1 clinical outcome. The combined indicator predicted the same 7 outcomes. Conclusion: Use of single engagement indicators specific to each intervention component is advocated for predicting relevant health outcome.