Ryota Sakamoto

Self-rated health is associated with subsequent functional decline among older adults in Japan

Mayumi Hirosaki, Kiyohito Okumiya, Taizo Wada et al. · International Psychogeriatrics · 2017 · 399 citations · Full text

Evaluation of chewing ability and its relationship with activities of daily living, depression, cognitive status and food intake in the community‐dwelling elderly

Yumi Kimura, Hiroshi Ogawa, Akihiro Yoshihara et al. · Geriatrics and gerontology international/Geriatrics & gerontology international · 2012 · 183 citations

Eating alone among community-dwelling Japanese elderly: Association with depression and food diversity

Yumi Kimura, Taizo Wada, Kiyohito Okumiya et al. · The journal of nutrition health & aging · 2012 · 160 citations · Full text

Social Isolation, Psychiatry, Healthy Aging +8

Relationships between each category of 25‐item frailty risk assessment (<scp>K</scp>ihon <scp>C</scp>hecklist) and newly certified older adults under <scp>L</scp>ong‐<scp>T</scp>erm <scp>C</scp>are <scp>I</scp>nsurance: A 24‐month follow‐up study in a rural community in <scp>J</scp>apan

Eriko Fukutomi, Kiyohito Okumiya, Taizo Wada et al. · Geriatrics and gerontology international/Geriatrics & gerontology international · 2014 · 132 citations

Periodontitis, periodontal inflammation, and mild cognitive impairment: A 5‐year cohort study

Masanori Iwasaki, Yumi Kimura, Hiroshi Ogawa et al. · Journal of Periodontal Research · 2018 · 125 citations