A comparison of standard and compositional data analysis in studies addressing group differences in sedentary behavior and physical activity

Abstract Background Data on time spent in physical activity, sedentary behavior and sleep during a day is compositional in nature, i.e. they add up to a constant value. Compositional data have fundamentally different properties from unconstrained data in real space, and require other analytical proc...

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Bibliographic Details
Main Authors: Nidhi Gupta, Svend Erik Mathiassen, Glòria Mateu-Figueras, Marina Heiden, David M. Hallman, Marie Birk Jørgensen, Andreas Holtermann
Format: Article
Language:English
Published: BMC 2018-06-01
Series:International Journal of Behavioral Nutrition and Physical Activity
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12966-018-0685-1