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The Physical Activity in Parks Setting (PA-PS) instrument is a series of survey questions designed by a consortium of public health and leisure research scholars to gauge park-based physical activity for use in civilian, noninstitutionalized populations. This paper introduces this self-reported instrument and provides test-retest reliability results.
Data to test the instrument reliability were collected during 2 waves in 2008 through the California Outdoor Recreation Opinions and Attitudes Telephone Survey. To conduct test-retest reliability we examined the agreement between 100 randomly reselected respondents from the first wave of respondents (n = 2004) that answered the same survey within 21 to 30 days of the initial administration.
The reliability of measures that categorized individual park use and visitation with others provided moderate levels of agreement (Kappa = 0.44 to 0.64). Questions about park features, facilities and amenity use, and specific park-based physical activity participation were of fair to substantial agreement (Kappa = 0.21 to 0.90) depending on the item in question.
The results from these test-retest reliability analyses suggest the PA-PS items were reliable and should be considered in future population surveys that assess park visitation patterns and park-based physical activity levels.
Walker and Morrow Jr. are with the Dept of Kinesiology, Health Promotion, Recreation, University of North Texas, Denton, TX. Mowen is with the Dept of Recreation, Park and Tourism Management, The Pennsylvania State University, State College, PA. Hendricks is with the Dept of Recreation, Parks, & Tourism Administration, California Polytechnical University, San Luis Obispo, CA. Kruger is with the Physical Activity and Health Branch, Centers for Disease Control, Atlanta, GA. Bricker is with the Dept of Parks, Recreation, and Tourism, University of Utah, Salt Lake City, UT.