[OB5] Changes in patient characteristics of first-time users of telemedicine using receipt data: A comparison before and after COVID-19 with Interrupted Time Series Analysis

*Tomoki Ishikawa^1,2, Naohiro Mitsutake¹, Jumpei Sato³, Junko Hattori³, Kazuo Goda³, Masaru Kitsuregawa³ (1. Institute for Health Economics and Policy, 2. Hokkaido University, Faculty of Health Science, 3. Institute of Industrial Science, the University of Tokyo)