Validation of a simplified physical activity record by doubly labeled water technique
Validation of a simplified physical activity record by doubly labeled water technique
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DOI:
10.1038/sj.ijo.0802882
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发表时间:
2005-03-01
影响因子:
4.9
通讯作者:
Zunft, HJF
中科院分区:
文献类型:
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作者:
Koebnick, C;Wagner, K;Zunft, HJF
INTRODUCTION: For obtaining reliable information about physical activity in epidemiological studies, validated and easy-to-use instruments are required. Therefore, a new simplified physical activity record based on 15-min recording intervals was developed and validated.SUBJECTS: Nonobese volunteers (n = 31).MEASUREMENTS: Physical activity was recorded over a 7-day period without detailed instructions. Energy expenditure was calculated (EEsPAR) and compared to energy expenditure measured by doubly labelled water technique (EEDLW).RESULTS: A good agreement between EEsPAR (12.1 +/- 3.0) and EEDLW (11.7 +/- 3.3) with a mean difference of 0.33 +/- 1.55 MJ (r = 0.880, P < 0.001) was observed. The absolute difference between EEsPAR and EEDLW was