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. ObjectiveWe aimed to investigate...
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| Main Authors: | , , , , , , |
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| Format: | Book |
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JMIR Publications,
2019-01-01T00:00:00Z.
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| Online Access: | Connect to this object online. |
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