Comparison of Ecological Momentary Assessment Versus Direct Measurement of E-Cigarette Use With a Bluetooth-Enabled E-Cigarette: A Pilot Study

Jennifer L Pearson   ^{1, 2} , MPH, PhD ;   Hoda Elmasry   ² , MPH ;   Babita Das   ³ , PhD ;   Sabrina L Smiley   ² , MPH, PhD ;   Leslie F Rubin   ^{2, 4} , MS ;   Teresa DeAtley   ^{1, 2} , MPH ;   Emily Harvey   ^{2, 5} , BA ;   Yitong Zhou   ² , MS ;   Raymond Niaura   ^{1, 2} , PhD ;   David B Abrams   ^{1, 2, 6} , PhD

¹ Johns Hopkins Bloomberg School of Public Health, Department of Health, Behavior, and Society, Baltimore, MD, United States

² Truth Initiative, Schroeder Institute for Tobacco Research and Policy Studies, Washington, DC, United States

³ Tobacco Center of Regulatory Science, University of Maryland, School of Public Health, College Park, MD, United States

⁴ American University, Department of Psychology, Washington, DC, United States

⁵ George Mason University, Department of Anthropology, Fairfax, VA, United States

⁶ Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, United States