Fitbit Use and Activity Levels From Intervention to 2 Years After: Secondary Analysis of a Randomized Controlled Trial.
Sheri J HartmanRuohui ChenRowena M TamHari K NarayanLoki NatarajanLin LiuPublished in: JMIR mHealth and uHealth (2022)
ClinicalTrials.gov NCT02332876; https://clinicaltrials.gov/ct2/show/NCT02332876.