Comparison of wrist-worn Fitbit Flex and waist-worn ActiGraph for measuring steps in free-living adults

• Anne H. Y. Chu ,

  * E-mail: anne.chu@u.nus.edu, anne.chu.hy@gmail.com

  Affiliation Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

  http://orcid.org/0000-0002-6512-4683

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• Sheryl H. X. Ng,

  Affiliation Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

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• Mahsa Paknezhad,

  Affiliation Department of Computer Science, School of Computing, National University of Singapore, Singapore, Singapore

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• Alvaro Gauterin,

  Affiliation Department of Computer Science, School of Computing, National University of Singapore, Singapore, Singapore

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• David Koh,

  Affiliations Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore, PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Brunei Darussalam

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• Michael S. Brown,

  Affiliation Department of Electrical Engineering and Computer Science, Lassonde School of Engineering, York University, Toronto, Ontario, Canada

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• Falk Müller-Riemenschneider

  Affiliations Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore, Institute of Social Medicine, Epidemiology and Health Economics, Charité University Medical Centre Berlin, Berlin, Germany

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