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首页> 外文期刊>Medicine and science in sports and exercise >Self-Reported and Objectively Measured Activity Related to Biomarkers Using NHANES.
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Self-Reported and Objectively Measured Activity Related to Biomarkers Using NHANES.

机译：使用NHANES与生物标志物相关的自我报告和客观测量的活性。

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PURPOSE: : The purpose of this study was to examine the independent associations of self-reported and objectively measured (using accelerometers) moderate to vigorous physical activity (MVPA) with physiological and anthropometric biomarkers in a nationally representative sample of U.S. adults. METHODS: : Data from the cross-sectional National Health and Nutrition Examination Survey 2003-2006 data were analyzed. Adults 20 yr and older (N = 5797) with self-reported PA and 4 d or more of accelerometer data were included in the analyses. Pregnant or lactating women were excluded. Outcomes were blood pressure, body mass index, waist circumference, triceps and subscapular skinfolds, cholesterol, triglyceride, C-reactive protein, homocysteine, and insulin resistance and hyperinsulinemia indices. RESULTS: : Objectively measured MVPA displayed stronger independent associations with the biomarkers than did self-reported MVPA, even after adjusting for sociodemographic and health factors (adjusted Wald F values = 3.9-85.6, P < 0.05-0.0001). Self-reported and objectively measured MVPA were independently associated with skinfold measures, HDL, and C-reactive protein when both were included in the model. CONCLUSIONS: Objectively measured MVPA displayed stronger associations with physiological and anthropometric biomarkers than self-reported MVPA. However, self-reported and objectively measured MVPA appear to capture distinct aspects of PA that are independently associated with certain biomarkers. Further understanding of the distinct contributions of self-reported and objectively measured PA to health outcomes could help to better identify optimal activity level and pattern.
机译：目的：：本研究的目的是检验在全国有代表性的美国成年人中，自我报告和客观测量（使用加速度计）的中度至剧烈体力活动（MVPA）与生理和人体测量生物标志物的独立关联。方法：：从横断面全国健康和营养检查调查2003-2006年数据中收集的数据进行了分析。分析包括20岁及以上（N = 5797），具有自我报告的PA和4 d或更长时间的加速度计数据的成年人。孕妇或哺乳期妇女除外。结果是血压，体重指数，腰围，肱三头肌和肩sub下皮褶，胆固醇，甘油三酸酯，C反应蛋白，高半胱氨酸，胰岛素抵抗和高胰岛素血症指数。结果：：即使在调整了社会人口统计学和健康因素之后，客观测量的MVPA与自我报告的MVPA相比仍显示出与生物标志物更强的独立关联（调整后的Wald F值= 3.9-85.6，P <0.05-0.0001）。当两者都包括在模型中时，自我报告和客观测量的MVPA与皮褶测量，HDL和C反应蛋白独立相关。结论：与自我报告的MVPA相比，客观测量的MVPA与生理和人体生物标志物之间的关联更强。但是，自我报告和客观测量的MVPA似乎捕获了PA的与某些生物标记物独立相关的不同方面。进一步了解自我报告和客观测量的PA对健康结果的独特贡献可能有助于更好地确定最佳活动水平和模式。

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