Understanding the Predictors of Missing Location Data to Inform Smartphone Study Design: Observational Study

• Main Authors: Anna L Beukenhorst (Author), Jamie C Sergeant (Author), David M Schultz (Author), John McBeth (Author), Belay B Yimer (Author), Will G Dixon (Author)
• Format: Book
• Published: JMIR Publications, 2021-11-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

BackgroundSmartphone location data can be used for observational health studies (to determine participant exposure or behavior) or to deliver a location-based health intervention. However, missing location data are more common when using smartphones compared to when using research-grade location tra...