Texting to Increase Adolescent Physical Activity: Feasibility Assessment
Objective: Feasibility trials assess whether a behavior change program warrants a definite trial evaluation. This paper reports the feasibility of an intervention consisting of Self Determination Theory-informed text messages, pedometers, and goal prompts to increase adolescent
physical activity. Methods: A 4-group randomized design with baseline and immediate post-study assessments was used. Groups (pedometer; pedometer + goal prompt; pedometer + goal prompt + theory-informed texts; no-treatment control) were systematically varied to assess the additive effect
of intervention components on objectively measured physical activity (ie, ActiGraph). The primary outcome of the 12-week intervention was program feasibility. Changes in average daily step counts and minutes of moderate-to-vigorous physical activity also were examined. Post-intervention research
with a subset of participants examined program reactions. Results: Participants (N = 160) were evenly split by sex, mostly 14-15 years old, and of diverse race/ethnicity. Feasibility criteria were met. The attrition rate was less than 2%. Modest increases in average daily step counts
and moderate-to-vigorous physical activity were observed in all groups except the control group. Participants reported positive reactions to the intervention. Conclusions: An intervention consisting of pedometers, theory-informed texts, and goal prompts, is a feasible and acceptable
method for promoting physical activity to adolescents.
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SELF DETERMINATION THEORY;
Document Type: Research Article
USDA/ARS Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX, USA. [email protected]
USDA/ARS Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX, USA
Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington, USA
Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
Centre for Exercise, Nutrition & Health Sciences, School for Policy Studies, University of Bristol, Bristol, UK
Department of Physical Education and Recreation, University of Alberta, Edmonton, AB, Canada
Publication date: July 1, 2016
More about this publication?
The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.
The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.
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