- document
-
van Keulen, H.M. (author), Mesters, I. (author), Ausems, M. (author), van Breukelen, G. (author), Campbell, M. (author), Resnicow, K. (author), Brug, J. (author), de Vries, H. (author)Background: Computer tailoring and motivational interviewing show promise in promoting lifestyle change, despite few head-to-head comparative studies. Purpose: Vitalum is a randomized controlled trial in which the efficacy of these methods was compared in changing physical activity and fruit and vegetable consumption in middle-aged Dutch adults....article 2011
- document
-
de Vries, S.I. (author), van Hirtum, H.W.J.E.M. (author), Bakker, I. (author), Hopman-Rock, M. (author), Hirasing, R.A. (author), van Mechelen, W. (author), TNO Kwaliteit van Leven (author)Purpose: To review recently published studies on the reproducibility, validity, and feasibility of motion sensors used to assess physical activity in healthy children and adolescents (2-18 yr). Methods: On October 2004, a systematic literature search in PubMed, EMBASE, and PsycINFO was performed. This search has been updated on October 2007. In...article 2009
- document
-
TNO Kwaliteit van Leven (author), de Vries, S.I. (author), Bakker, I. (author), Hopman-Rock, M. (author), Hirasing, R.A. (author), van Mechelen, W. (author)Background and Objectives: To review the clinimetric quality of motion sensors used to assess physical activity in healthy children and adolescents (2-18 years). Methods: A systematic literature search was performed in PubMed, Embase, and SpycINFO. The clinimetric quality of two pedometers (Digi-Walker, Pedoboy), four one-dimensional...article 2006