Validation of Physical Activity Tracking via Android Smartphones Compared to ActiGraph Accelerometer: Laboratory-Based and Free-Living Validation Studies

• Main Authors: Hekler, Eric B (Author), Buman, Matthew P (Author), Grieco, Lauren (Author), Rosenberger, Mary (Author), Winter, Sandra J (Author), Haskell, William (Author), King, Abby C (Author)
• Format: Book
• Published: JMIR Publications, 2015-04-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

BackgroundThere is increasing interest in using smartphones as stand-alone physical activity monitors via their built-in accelerometers, but there is presently limited data on the validity of this approach. ObjectiveThe purpose of this work was to determine the validity and reliability of 3 Android...