Environmental and Safety Barriers to Youth Physical Activity in Neighborhood Parks and Streets: Reliability and Validity

in Pediatric Exercise Science
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Few studies have explored barriers to physical activity in parks and streets among children, adolescents, and their parents. The purpose of this article is to evaluate the psychometric properties of a new survey of barriers to physical activity in neighborhood parks and streets. Adolescents and parents of children and adolescents completed surveys twice. Two barrier subscales (environment and safety) emerged that applied to both locations and all participant groups. Results generally supported acceptable, internal consistency as well as construct validity, but test-retest reliabilities were lower than desired. These scales may be used to improve understanding of perceptions of barriers to physical activity in neighborhood parks and streets, but further development is needed.

Durant is with the Dept. of General Pediatrics and Adolescent Medicine, University of Alabama at Birmingham School of Medicine, Birmingham, AL 35233. Kerr and Sallis are with the Dept. of Psychology, San Diego State University, San Diego, CA 92103. Harris is with the Div. of Adolescent and Young Adult Medicine, Children’s Hospital Boston, Boston, MA 02115. Saelens is with the Dept. of Pediatrics, University of Washington and Children’s Hospital and Regional Medical Center, Seattle, WA 98185. Norman is with the Dept. of Family and Preventive Medicine, University of California San Diego, La Jolla, CA 92093.