How Well iPhones Measure Steps in Free-Living Conditions: Cross-Sectional Validation Study

BackgroundSmartphones have great potential for monitoring physical activity. Although a previous laboratory-based study reported that smartphone apps were accurate for tracking step counts, little evidence on their accuracy in free-living conditions currently exists....

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Bibliographic Details
Main Authors: Amagasa, Shiho, Kamada, Masamitsu, Sasai, Hiroyuki, Fukushima, Noritoshi, Kikuchi, Hiroyuki, Lee, I-Min, Inoue, Shigeru
Format: Article
Language:English
Published: JMIR Publications 2019-01-01
Series:JMIR mHealth and uHealth
Online Access:http://mhealth.jmir.org/2019/1/e10418/