What physical activity surveillance needs: validity of a single-item questionnaire.

  title={What physical activity surveillance needs: validity of a single-item questionnaire.},
  author={Miriam Wanner and Nicole Probst-Hensch and Susi Kriemler and Flurina Meier and Adrian Bauman and Brian Winfried Martin},
  journal={British journal of sports medicine},
  volume={48 21},
BACKGROUND Self-report instruments to assess physical activity are still the most feasible option in many population-wide surveys, and often need to be very short owing to resource constraints. The aim of this study was to test the criterion validity of a single-item physical activity measure using accelerometers and to compare its measurement properties by gender, age group (including older adults) and language region. METHODS A validation study was carried out within the second follow-up of… CONTINUE READING
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Körperliches Aktivitätsverhalten in der Schweiz (Physical activity behaviour in Switzerland)

  • BW Martin, U. Mäder
  • Munich: Hans Marseille Verlag GmbH;
  • 2002
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Physical activity and health - what are the recommendations and where do we find the Swiss population? Schweiz Z Sportmed Sporttraumatol

  • BW Martin, U Mäder, HP Stamm, C. Braun-Fahrländer
  • 2009
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