International physical activity questionnaire: 12-country reliability and validity.

  title={International physical activity questionnaire: 12-country reliability and validity.},
  author={Cora Lynn Craig and Alison L Marshall and Michael Sj{\"o}str{\"o}m and Adrian E Bauman and Michael L. Booth and Barbara E. Ainsworth and Michael Pratt and Ulf Ekelund and Agneta Yngve and James F. Sallis and Pekka Oja},
  journal={Medicine and science in sports and exercise},
  volume={35 8},
BACKGROUND Physical inactivity is a global concern, but diverse physical activity measures in use prevent international comparisons. The International Physical Activity Questionnaire (IPAQ) was developed as an instrument for cross-national monitoring of physical activity and inactivity. METHODS Between 1997 and 1998, an International Consensus Group developed four long and four short forms of the IPAQ instruments (administered by telephone interview or self-administration, with two alternate… 

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