Exploring the Relationship Between Smartphone GPS Patterns and Quality of Life in Patients With Advanced Cancer and Their Family Caregivers: Longitudinal Study

Kyungmi Lee   ¹ , PhD, RN ;   Andres Azuero   ² , MBA, PhD ;   Sally Engler   ² , MPH ;   Sidharth Kumar   ³ , PhD ;   Frank Puga   ² , PhD ;   Alexi A Wright   ⁴ , MPH, MD ;   Arif Kamal   ⁵ , MHS, MBA, MD ;   Christine S Ritchie   ⁶ , MSPH, MD ;   George Demiris   ⁷ , FACMI, PhD ;   Marie A Bakitas   ^{2, 8, 9} , NP-C, DNSc ;   J Nicholas Odom   ^{2, 8, 9} , PhD, RN

¹ Frances Payne Bolton School of Nursing, Case Western Reserve University, Cleveland, OH, United States

² School of Nursing, University of Alabama at Birmingham, Birmingham, AL, United States

³ Department of Computer Science, University of Alabama at Birmingham, Birmingham, AL, United States

⁴ Department of Medical Oncology, Harvard Medical School, Dana-Farber Cancer Institute, Boston, MA, United States

⁵ Department of Medicine, Duke University, Durham, NC, United States

⁶ Mongan Institute Center for Aging and Serious Illness, Division of Palliative Care and Geriatric Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States

⁷ School of Nursing & Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States

⁸ Division of Geriatrics, Gerontology, and Palliative Care, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States

⁹ Center for Palliative and Supportive Care, University of Alabama at Birmingham, Birmingham, AL, United States