直接和间接测量的建成环境属性与身体活动采用的一致性。
The concordance of directly and indirectly measured built environment attributes and physical activity adoption.
机构信息
Department of Applied Physiology and Wellness, Southern Methodist University, Dallas, TX, USA.
出版信息
Int J Behav Nutr Phys Act. 2011 Jul 7;8:72. doi: 10.1186/1479-5868-8-72.
BACKGROUND
Physical activity (PA) adoption is essential for obesity prevention and control, yet ethnic minority women report lower levels of PA and are at higher risk for obesity and its comorbidities compared to Caucasians. Epidemiological studies and ecologic models of health behavior suggest that built environmental factors are associated with health behaviors like PA, but few studies have examined the association between built environment attribute concordance and PA, and no known studies have examined attribute concordance and PA adoption.
PURPOSE
The purpose of this study was to associate the degree of concordance between directly and indirectly measured built environment attributes with changes in PA over time among African American and Hispanic Latina women participating in a PA intervention.
METHOD
Women (N = 410) completed measures of PA at Time 1 (T1) and Time 2 (T2); environmental data collected at T1 were used to compute concordance between directly and indirectly measured built environment attributes. The association between changes in PA and the degree of concordance between each directly and indirectly measured environmental attribute was assessed using repeated measures analyses.
RESULTS
There were no significant associations between built environment attribute concordance values and change in self-reported or objectively measured PA. Self-reported PA significantly increased over time (F(1,184) = 7.82, p = .006), but this increase did not vary by ethnicity or any built environment attribute concordance variable.
CONCLUSIONS
Built environment attribute concordance may not be associated with PA changes over time among minority women. In an effort to promote PA, investigators should clarify specific built environment attributes that are important for PA adoption and whether accurate perceptions of these attributes are necessary, particularly among the vulnerable population of minority women.
背景
体力活动（PA）的采用对于肥胖的预防和控制至关重要，但与白种人相比，少数民族妇女的体力活动水平较低，肥胖及其合并症的风险更高。健康行为的流行病学研究和生态模型表明，建筑环境因素与 PA 等健康行为有关，但很少有研究探讨建筑环境属性一致性与 PA 之间的关系，也没有已知的研究探讨属性一致性与 PA 采用之间的关系。
目的
本研究旨在探讨直接和间接测量的建筑环境属性之间的一致性程度与参与 PA 干预的非裔美国人和西班牙裔拉丁裔妇女 PA 随时间变化之间的关系。
方法
女性（N=410）在 T1 和 T2 时完成 PA 测量；T1 时收集的环境数据用于计算直接和间接测量的建筑环境属性之间的一致性。使用重复测量分析评估 PA 变化与每个直接和间接测量的环境属性之间的一致性程度之间的关联。
结果
建筑环境属性一致性值与自我报告或客观测量的 PA 变化之间没有显著关联。自我报告的 PA 随时间显著增加（F(1,184) = 7.82，p =.006），但这种增加不受族裔或任何建筑环境属性一致性变量的影响。
结论
建筑环境属性一致性可能与少数族裔妇女随时间推移的 PA 变化无关。为了促进 PA，研究人员应阐明对 PA 采用重要的具体建筑环境属性，以及这些属性的准确感知是否必要，特别是在少数族裔妇女这一弱势群体中。
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