. 2016 Apr 4;18(4):e69. doi: 10.2196/jmir.5191
©Charlotte Thorup, John Hansen, Mette Grønkjær, Jan Jesper Andreasen, Gitte Nielsen, Erik Elgaard Sørensen, Birthe Irene Dinesen. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 04.04.2016.
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Figure 2.
Duration of Fitbit use. Total days (gray) in relation to active days (black) of use for each patient.