Comparison of the LASA Physical Activity Questionnaire with a 7-day diary and pedometer

V.S. Stel, J.H. Smit, S.M.F. Pluym, M. Visser, D.J.H. Deeg, P.T.A.M. Lips

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    OBJECTIVE: First, to validate the LASA Physical Activity Questionnaire (LAPAQ) by a 7-day diary and a pedometer in older persons. Second, to assess the repeatability of the LAPAQ. Third, to compare the feasibility of these methods.

    STUDY DESIGN AND SETTING: The study was performed in a subsample (n=439, aged 69-92 years) of the Longitudinal Aging Study Amsterdam (LASA). The LAPAQ was completed twice (1998/1999, 1999/2000). Respondents completed a 7-day activity diary and wore a pedometer for 7 days (1999/2000).

    RESULTS: The LAPAQ was highly correlated with the 7-day diary (r=0.68, P<.001), and moderately with the pedometer (r=0.56, P<.001). The repeatability of the LAPAQ was reasonably good (weighted kappa: 0.65-0.75). The LAPAQ was completed in 5.7+/-2.7 min, and 0.5% of the respondents had missing values.

    CONCLUSION: The LAPAQ appears to be a valid and reliable instrument for classifying physical activity in older people. The LAPAQ was easier to use than the 7-day diary and pedometer.

    Original languageEnglish
    Pages (from-to)252-258
    Number of pages7
    JournalJournal of Clinical Epidemiology
    Volume57
    Issue number3
    DOIs
    Publication statusPublished - Mar 2004

    Keywords

    • Activities of Daily Living
    • Aged
    • Aged, 80 and over
    • Epidemiologic Methods
    • Exercise
    • Female
    • Humans
    • Male
    • Medical Records
    • Monitoring, Ambulatory
    • Motor Activity
    • Comparative Study
    • Journal Article
    • Research Support, Non-U.S. Gov't
    • Validation Studies

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