Physical Activity Surveillance Through Smartphone Apps and Wearable Trackers: Examining the UK Potential for Nationally Representative Sampling
BackgroundSmartphones and wearable activity trackers present opportunities for large-scale physical activity (PA) surveillance that overcome some limitations of questionnaires or researcher-administered devices. However, it remains unknown whether current users of such technologies are representativ...
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| フォーマット: | 図書 |
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JMIR Publications,
2019-01-01T00:00:00Z.
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| 請求記号: |
A1234.567 |
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| 所蔵 1 | 利用可 |