Cross-validation of the factorial structure of the Neighborhood Environment Walkability Scale (NEWS) and its abbreviated form (NEWS-A) |
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| Authors: | Ester Cerin Terry L Conway Brian E Saelens Lawrence D Frank James F Sallis |
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| Affiliation: | (1) USDA/ARS Children's Nutrition Research Center, Baylor College of Medicine, 1100 Bates Street, Houston, Texas 77030, USA;(2) Graduate School of Public Health, San Diego State University, San Diego, California, USA;(3) Seattle Children's Hospital Research Center, University of Seattle, UW-CHI NE 74th St, Box 354920, Seattle, Washington 98101, USA;(4) School of Community and Regional Planning, University of British Columbia, 231-1933 West Mall, Vancouver, V6T 1Z2, BC, Canada;(5) Department of Psychology, San Diego State University, 3900 Fifth Avenue, San Diego, California 92103, USA |
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| Abstract: | Background The Neighborhood Environment Walkability Scale (NEWS) and its abbreviated form (NEWS-A) assess perceived environmental attributes believed to influence physical activity. A multilevel confirmatory factor analysis (MCFA) conducted on a sample from Seattle, WA showed that, at the respondent level, the factor-analyzable items of the NEWS and NEWS-A measured 11 and 10 constructs of perceived neighborhood environment, respectively. At the census blockgroup (used by the US Census Bureau as a subunit of census tracts) level, the MCFA yielded five factors for both NEWS and NEWS-A. The aim of this study was to cross-validate the individual- and blockgroup-level measurement models of the NEWS and NEWS-A in a geographical location and population different from those used in the original validation study. |
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