Linking Individual-Level Facebook Posts With Psychological and Health Data in an Epidemiological Cohort: Feasibility Study

Peter James   ^{1, 2} , MHS, SCD ;   Claudia Trudel-Fitzgerald   ^{3, 4} , BA, PhD ;   Harold H Lee   ^{3, 4} , MAPP, PhD ;   Hayami K Koga   ³ , MD, MPH ;   Laura D Kubzansky   ^{3, 4} , MPH, PhD ;   Francine Grodstein   ^{5, 6} , SCD

¹ Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, United States

² Department of Environmental Health, Harvard TH Chan School of Public Health, Boston, MA, United States

³ Department of Social and Behavioral Sciences, Harvard TH Chan School of Public Health, Boston, MA, United States

⁴ Lee Kum Sheung Center for Health and Happiness, Harvard TH Chan School of Public Health, Boston, MA, United States

⁵ Department of Internal Medicine, Rush Medical College, Chicago, IL, United States

⁶ Rush Alzheimer's Disease Center, Rush University, Chicago, IL, United States