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首页> 外文期刊>Journal of physical activity & health >Does a six-month pedometer intervention improve physical activity and health among vulnerable african americans? A feasibility study.
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Does a six-month pedometer intervention improve physical activity and health among vulnerable african americans? A feasibility study.

机译：为期六个月的计步器干预是否能改善脆弱的非洲裔美国人的体育活动和健康状况？可行性研究。

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BACKGROUND: Race/ethnic-specific physical activity patterns and biological responses to physical activity is one of the most understudied, yet critical aspects related to the development and adoption of physical activity recommendations. METHODS: In this 6-month community walking intervention targeting African Americans, participants wore a pedometer and maintained a pedometer diary for the study duration. Outcome measures included height, weight, percent body fat, waist circumference, blood pressure, lipids and glucose. ANOVA, Pearson Correlations, and Kruskal-Wallis tests were used to examine changes in steps/day over each month of the intervention and explore associations among pedometer-determined physical activity and anthropometric/biological change scores from month 1 to 6. RESULTS: The 83 participants were primarily African American (98%) women (94%). There was a significant increase in the average step/day beginning with 6665 (SD = 3396) during month 1 and increasing to 9232 (SD = 3670) steps/day during month 6 (F = 4.5, P < .0001). Associations among step counts and anthropometric/biological change scores were not significant. CONCLUSIONS: While this intervention resulted in significant increases in steps/day; it exemplifies that physical activity standards may be unachievable for some vulnerable, minority communities. Methodological considerations for exploring associations between changes in pedometer-determined step counts and anthropometric/biological outcomes are emphasized through this study.
机译：背景：特定于种族/种族的体育活动模式和对体育活动的生物学反应是与体育活动建议的制定和采用有关的被研究最多但仍至关重要的方面之一。方法：在针对非裔美国人的为期6个月的社区步行干预中，参与者戴着计步器，并在研究期间保持了计步器日记。结果指标包括身高，体重，体脂百分比，腰围，血压，脂质和葡萄糖。使用方差分析（ANOVA），皮尔逊相关系数（Pearson Correlations）和克鲁斯卡尔·沃利斯（Kruskal-Wallis）检验来检查干预每个月的步数/天变化，并探索从计步器确定的身体活动与从1到6个月的人体测量学/生物变化评分之间的关​​联。结果：83参与者主要是非裔美国人（98％）妇女（94％）。从第1个月开始，平均步数/天显着增加，从6665（SD = 3396）开始，到第6个月，平均步数/天增加到9232（SD = 3670）步/天（F = 4.5，P <.0001）。步数与人体测量学/生物变化评分之间的相关性不显着。结论：虽然这种干预导致每天的步数显着增加;它举例说明，某些脆弱的少数民族社区可能无法实现体育锻炼标准。通过这项研究，强调了探索计步器确定的步数变化与人体测量/生物学结果之间关联的方法学考虑。

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