Fitbit Use and Activity Levels From Intervention to 2 Years After: Secondary Analysis of a Randomized Controlled Trial

Fitbit Use and Activity Levels From Intervention to 2 Years After: Secondary Analysis of a Randomized Controlled Trial

Authors of this article:

Sheri J Hartman ^{1, 2} ;   Ruohui Chen ^{1, 2} ;   Rowena M Tam ¹ ;   Hari K Narayan ^{2, 3} ;   Loki Natarajan ^{1, 2} ;   Lin Liu ^{1, 2}