Takashi Oshio, Kemmyo Sugiyama, Toyo Ashida. Can Social Participation Reduce and Postpone the Need for Long-Term Care? Evidence from a 17-Wave Nationwide Survey in Japan. Applied Research in Quality of Life. 2024
Sanae Ito, Keiko Asakura, Kemmyo Sugiyama, Minoru Takakura, Hidemi Todoriki. Association between sodium and potassium excretion estimated from spot urine and socioeconomic status among primary school children and their mothers in Okinawa, Japan. Hypertension Research. 2024
Makoto Kaneko, Takaaki Ikeda, Machiko Inoue, Kemmyo Sugiyama, Manabu Saito, Ryuichi Ohta, Upul Cooray, Evelyn Vingilis, Thomas R Freeman, Maria Mathews. Development and validation of a rurality index for healthcare research in Japan: a modified Delphi study. BMJ Open. 2023. 13. 6. e068800-e068800
Takashi OSHIO, Kemmyo SUGIYAMA, Toyo ASHIDA. Effect of social activities on health checkups and recommended doctor visits: a fixed-effects analysis in Japan. Industrial Health. 2023
Takashi Oshio, Kemmyo Sugiyama, Toyo Ashida. Impact of residing in neighborhoods of high social participation on health of retired workers: A multilevel analysis using nationwide longitudinal data in Japan. SSM - Population Health. 2022. 20. 101281-101281