Validity and repeatability of the EPIC-Norfolk Physical Activity Questionnaire

N.J. Wareham, R.W. Jakes, K.L. Rennie, J. Mitchell, S. Hennings, N.E. Day

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    304 Citations (Scopus)


    Physical activity is an important lifestyle which is often poorly assessed in epidemiological studies. The European Prospective Investigation into Cancer Study-Norfolk cohort (EPIC-Norfolk), a large population-based cohort study, has developed a comprehensive questionnaire to assess activity in different domains of life aimed at assessing total energy expenditure. We report the repeatability of this instrument and its validity against repeated objective measures of fitness and energy expenditure undertaken throughout the time frame of reference of the questionnaire.
    Original languageEnglish
    Pages (from-to)168-74
    JournalInternational Journal of Epidemiology
    Issue number1
    Publication statusPublished - 2002


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