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Validity of self-re...
Validity of self-reported total physical activity questionnaire among older women
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- Orsini, Nicola (author)
- Karolinska Institutet
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- Bellocco, Rino (author)
- Karolinska Institutet
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- Bottai, Matteo (author)
- Univ S Carolina, Dept Epidemiol & Biostat, Arnold Sch Publ Hlth, Columbia, SC 29208 USA.
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- Hagstromer, Maria (author)
- Karolinska Institutet
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- Sjostrom, Michael (author)
- Karolinska Institutet
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- Pagano, Marcello (author)
- Harvard Univ, Sch Publ Hlth, Dept Biostat, Boston, MA 02115 USA.
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- Wolk, Alicja (author)
- Karolinska Institutet
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Karolinska Institutet Univ S Carolina, Dept Epidemiol & Biostat, Arnold Sch Publ Hlth, Columbia, SC 29208 USA (creator_code:org_t)
- 2008-08-14
- 2008
- English.
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In: European Journal of Epidemiology. - : SPRINGER. - 0393-2990 .- 1573-7284. ; 23:10, s. 661-667
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Aim of this study was to assess the validity of a short self-administered physical activity questionnaire, intended to measure past year total daily physical activity, by comparison with activity records and accelerometers. Over a 1-year period, data from a questionnaire, 7-day activity records and accelerometers were obtained from a subset of 116 women between the ages of 56 and 75 years from the population-based Swedish Mammography Cohort. We estimated concordance correlations as measure of validity, deattenuated for intraindividual variation in the reference method. Deattenuated concordance correlations comparing total daily activity measured by the questionnaire with the accelerometers and the records were 0.38 (95% CI: 0.22-0.54) and 0.64 (95% CI: 0.45-0.83), respectively. Validity of leisure-time activity (walking/bicycling and exercise) and inactivity (watching TV/reading) estimates comparing the records with the questionnaire were 0.42 (95% CI: 0.22-0.62) and 0.52 (95% CI: 0.36-0.69), respectively. These data indicate that the average past year total physical activity, leisure-time activity and inactivity can be estimated with a reasonable validity using our short self-administered questionnaire.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
Keyword
- physical activity
- women
- accelerometers
- activity records
Publication and Content Type
- ref (subject category)
- art (subject category)
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