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Simultaneous Validation of Ten Physical Activity Questionnaires in Older Men: A Doubly Labeled Water Study by Marc Bonnefoy; Sylvie Normand; Christiane Pachiaudi; Jean René Lacour; Martine Laville; Tomasz Kostka is a Medicine article available to read on EtoBox.
What is Simultaneous Validation of Ten Physical Activity Questionnaires in Older Men: A Doubly Labeled Water Study about?
The purpose of this study was to simultaneously validate 10 physical activity (PA) questionnaires in a homogenous population of healthy elderly men against the reference method: doubly labeled water (DLW). DESIGN: Cross-sectional study. SETTING: Community-based sample from Lyon, France. PARTICIPANTS: Nineteen healthy old men (age 73.4 Ϯ 4.1 years), recruited from various associations for elderly people in Lyon, agreed to participate in the study. ## MEASUREMENTS: The questionnaire-derived measures (scores) were compared with two validation measures: DLW and maximal oxygen uptake (VO 2max ). With the DLW method three parameters were calculated: (1) total energy expenditure (TEE), ( 2) physical activity level (PAL), i.e., the ratio of TEE to resting metabolic rate, (3) energy expenditure of PA. RESULTS: Relative validity. Correlation between the questionnaires and TEE ranged from 0.11 for the Yale Physical Activity Survey (YPAS) total index to 0.63 for the Stanford usual activity questionnaire. This questionnaire also gave the best correlation coefficients with PAL (0.75), and with VO 2max (0.62). Significant results with TEE measured by the DLW method were also obtained for college
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- Author
- Marc Bonnefoy; Sylvie Normand; Christiane Pachiaudi; Jean René Lacour; Martine Laville; Tomasz Kostka
- Publisher
- John Wiley and Sons; The American Geriatrics Society; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0002-8614)
- Published
- 2001
- Language
- EN
- Field
- Medicine (Health Sciences)