Use of a Web-Based Physical Activity Record System to Analyze Behavior in a Large Population: Cross-Sectional Study
BackgroundThe use of Web-based physical activity systems has been proposed as an easy method for collecting physical activity data. We have developed a system that has exhibited high accuracy as assessed by the doubly labeled water method. ObjectiveThe purpose of...
Main Authors: | , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
JMIR Publications
2015-03-01
|
Series: | Journal of Medical Internet Research |
Online Access: | http://www.jmir.org/2015/3/e74/ |