Estimation of Physical Activity Levels Using Cell Phone Questionnaires: A Comparison With Accelerometry for Evaluation of Between-Subject and Within-Subject Variations

• Päätekijät: Bexelius, Christin (Tekijä), Sandin, Sven (Tekijä), Trolle Lagerros, Ylva (Tekijä), Litton, Jan-Eric (Tekijä), Löf, Marie (Tekijä)
• Aineistotyyppi: Kirja
• Julkaistu: JMIR Publications, 2011-09-01T00:00:00Z.
• Aiheet: article
• Linkit: Connect to this object online.

BackgroundPhysical activity promotes health and longevity. Further elaboration of the role of physical activity for human health in epidemiological studies on large samples requires accurate methods that are easy to use, cheap, and possible to repeat. The use of telecommunication technologies such a...