Association between fat mass index, fat‐free mass index, and hemoglobin A1c in a Japanese population: The Tohoku Medical Megabank Community‐based Cohort Study

Graduate School of Medicine, Tohoku University, Aoba-ku, Sendai, Miyagi, Japan

Tohoku Medical Megabank Organization, Tohoku University, Aoba-ku, Sendai, Miyagi, Japan

International Research Institute of Disaster Science, Tohoku University, Aoba-ku, Sendai, Miyagi, Japan