Validation of Secondary Commercial Data Sources for Physical Activity Facilities in Urban and Nonurban Settings
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Background: Secondary data are often necessary to assess the availability of commercial physical activity (PA) facilities and examine its association with individual behaviors and outcomes, yet the validity of such sources has been explored only in a limited number of studies. Methods: Field data were collected on tbe presence and attributes of commercial PA facilities in a random sample of 30 urban, 15 suburban, and 15 rural Census tracts in the Chicago metropolitan statistical area and surrounding area. Results: Approximately 40% of PA establishments in tbe field data were listed for botb urban and nonurban tracts in both lists except for nonurban tracts in D&B (35%), which was significantly improved in tbe combined listof D&B and InfoUSA. Approximately one-quarter of the PA facilities listed in D&B were found on the ground, whereas 40% to 50% of PA facilities listed in InfoUSA were found on the ground. PA establishments that offered instruction programs or lessons or tbat bad a court or pool were less likely to be listed, particularly in the nonurban tracts. Conclusions: Secondary commercial business lists on PA facilities should be used witb caution in assessing the built environment.
Dun & Bradstreet
physical activity establishments