College of Pharmacy, Gachon University, and Gachon Institute of Pharmaceutical Sciences, Incheon, Republic of Korea.
J Phys Act Health. 2012 Nov;9(8):1080-8. doi: 10.1123/jpah.9.8.1080. Epub 2011 Dec 27.
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.
Field data were collected on the 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.
Approximately 40% of PA establishments in the field data were listed for both urban and nonurban tracts in both lists except for nonurban tracts in D&B (35%), which was significantly improved in the combined list of 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 that had a court or pool were less likely to be listed, particularly in the nonurban tracts.
Secondary commercial business lists on PA facilities should be used with caution in assessing the built environment.
在评估商业性身体活动（PA）设施的可用性并研究其与个体行为和结果的关系时，往往需要使用二手数据，但这些来源的有效性仅在少数研究中得到了探讨。
在芝加哥都会统计区及周边地区，随机抽取了 30 个城市、15 个郊区和 15 个农村普查地段，对商业性 PA 设施的存在情况及其属性进行了实地数据收集。
在实地数据中，除了 D&B 中的非城市地段（35%）外，有大约 40%的 PA 机构在 D&B 和 InfoUSA 的联合名单中同时被列入城市和非城市地段，而在 D&B 名单中只有大约 25%的 PA 机构在实地被发现，而在 InfoUSA 名单中则有 40%至 50%的 PA 机构在实地被发现。提供指导项目或课程或有法庭或游泳池的 PA 机构不太可能被列入名单，尤其是在非城市地段。
在评估建筑环境时，应谨慎使用二手商业性 PA 设施商业名录。
