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- W4238848525 abstract "<sec> <title>BACKGROUND</title> Despite their popularity of Physical Activity (PA) tracking devices, studies rigorously examining the efficacy of wearables and feedback effect independent of other behavioral and educational interventions in promoting PA have been limited. </sec> <sec> <title>OBJECTIVE</title> To estimate the causal and independent effect of feedback provided by a commercial activity tracker. </sec> <sec> <title>METHODS</title> We designed an experimental longitudinal study in which we asked our study participants to wear: (1) a device that provided feedback for 7-consecutive days; (2) a device that provided no feedback for 7 consecutive day; (3) both devices for 2 consecutive days. We randomized half the sample to either wear the feedback device or the non-feedback device for the first 7 days. At the end of each study day, participants also completed a short survey online where they shared and reported their own experience participating in the study. </sec> <sec> <title>RESULTS</title> We find that participants accumulated an additional 530 steps in a given day when they wore Fitbit, which provided feedback, compared to a day when they wore GENEActiv, which didn’t provide feedback (P < .001). Given that study participants accumulated 7,560 steps/day on average, the increase in PA due to feedback represented a 7% increase in daily PA. </sec> <sec> <title>CONCLUSIONS</title> The use of wrist-worn PA trackers providing feedback as a standalone intervention tool is effective in increasing daily PA of older US adults aged 50 and above. Wearables-measured PA together with self-reports of PA offer the best approach to diagnosing population PA and sedentary behavior. </sec> <sec> <title>CLINICALTRIAL</title> Name of the registry: https://www.socialscienceregistry.org Registration number: AEARCTR-0007831 (Please note that our experiment was not a typical medical trial) </sec>" @default.
- W4238848525 created "2022-05-12" @default.
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- W4238848525 date "2021-10-24" @default.
- W4238848525 modified "2023-09-27" @default.
- W4238848525 title "Does feedback from activity trackers influence physical activity? Evidence from a randomized controlled trial (Preprint)" @default.
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- W4238848525 doi "https://doi.org/10.2196/preprints.34460" @default.
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