Published on in Vol 12, No 1 (2010): Jan-Mar

Comparison of Trial Participants and Open Access Users of a Web-Based Physical Activity Intervention Regarding Adherence, Attrition, and Repeated Participation

Comparison of Trial Participants and Open Access Users of a Web-Based Physical Activity Intervention Regarding Adherence, Attrition, and Repeated Participation

Comparison of Trial Participants and Open Access Users of a Web-Based Physical Activity Intervention Regarding Adherence, Attrition, and Repeated Participation

Miriam Wanner 1, 2, PhD;  Eva Martin-Diener 1, MPH;  Georg Bauer 3, 4, MD DrPH;  Charlotte Braun-Fahrländer 2, MD;  Brian W Martin 3, MD MPH

1 Swiss Federal Institute of Sport Magglingen , Magglingen , CH

2 Swiss Tropical and Public Health Institute, University of Basel , Basel , CH

3 Institute of Social and Preventive Medicine, University of Zurich , Zurich , CH

4 Division of Public and Organizational Health, University and ETH Zurich , Zurich , CH

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