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Relating Built Environment to Physical Activity: Two Failures to Validate
Faculty of Nursing, University of Alberta, Edmonton, AB T6G 1C9, Canada
Centre for Health Promotion Studies, School of Public Health, University of Alberta, 11405-87 Avenue, Edmonton, AB T6G 1C9, Canada
* Author to whom correspondence should be addressed.
Received: 20 November 2013; in revised form: 23 December 2013 / Accepted: 24 December 2013 / Published: 23 January 2014
Abstract: The Irvine-Minnesota Inventory (IMI) is an audit tool used to record properties of built environments. It was designed to explore the relationships between environmental features and physical activity. As published, the IMI does not provide scoring to support this use. Two papers have since been published recommending methods to form scales from IMI items. This study examined these scoring procedures in new settings. IMI data were collected in two urban settings in Alberta in 2008. Scale scores were calculated using the methods presented in previous papers and used to test whether the relationships between IMI scales and walking behaviors were consistent with previously reported results. The scales from previous work did not show expected relationships with walking behavior. The scale construction techniques from previous work were repeated but scales formed in this way showed little similarity to previous scales. The IMI has great potential to contribute to understanding relationships between built environment and physical activity. However, constructing reliable and valid scales from IMI items will require further research.
Keywords: built environment; health; Irvine Minnesota Inventory; scales; replication; reliability
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Schopflocher, D.; VanSpronsen, E.; Nykiforuk, C.I.J. Relating Built Environment to Physical Activity: Two Failures to Validate. Int. J. Environ. Res. Public Health 2014, 11, 1233-1249.
Schopflocher D, VanSpronsen E, Nykiforuk CIJ. Relating Built Environment to Physical Activity: Two Failures to Validate. International Journal of Environmental Research and Public Health. 2014; 11(2):1233-1249.
Schopflocher, Donald; VanSpronsen, Eric; Nykiforuk, Candace I.J. 2014. "Relating Built Environment to Physical Activity: Two Failures to Validate." Int. J. Environ. Res. Public Health 11, no. 2: 1233-1249.