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February 1, 1997International Journal of Epidemiology350 citations

Estimation of reproducibility and relative validity of the questions included in the EPIC Physical Activity Questionnaire

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MPMargreet Pols

Key Points

  • The aim is to estimate the reproducibility and relative validity of a short physical activity questionnaire in the EPIC study.
  • Evaluated the short questionnaire against an extensive questionnaire for energy expenditure estimation.
  • Assessed ranking of subjects for reproducibility and validity comparisons.
  • Reproducibility and relative validity were found to be satisfactory.
  • The short questionnaire effectively ranked subjects comparably to the extensive version.

Abstract

The questions selected for the short questionnaire are not suitable for estimating energy expenditure at an absolute level. Reproducibility and relative validity of the ranking of subjects seemed satisfactory and comparable to the extensive questionnaire. The results imply that the short questionnaire is suitable for ranking subjects in the EPIC study.

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Cite This Study

Margreet Pols (1997) studied this question.

synapsesocial.com/papers/69d90867bfc0898f4bd18041https://doi.org/10.1093/ije/26.suppl_1.s181
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