Katsuya Iijima

Publication Activity (10 Years)

Years Active: 2017-2024
Publications (10 Years): 50

Top Topics

Urinary Incontinence

Cognitive Decline

Psychometric Properties

Health Insurance

Top Venues

Geriatrics & gerontology international

Geriatrics (Basel, Switzerland)

International journal of environmental research and public health

This page only lists publications with an associated author ORCID identifier.

Publications

Yumi Umeda-Kameyama, Masashi Kameyama, Taro Kojima, Tomoki Tanaka, Katsuya Iijima, Sumito Ogawa, Tomomichi Iizuka, Masahiro Akishita
Investigation of a model for evaluating cognitive decline from facial photographs using AI. Geriatrics & gerontology international (2024)
Takumi Abe, Yoshinori Fujiwara, Akihiko Kitamura, Yu Nofuji, Yukiko Nishita, Hyuma Makizako, Seungwon Jeong, Masanori Iwasaki, Minoru Yamada, Narumi Kojima, Katsuya Iijima, Shuichi Obuchi, Ken Shinmura, Rei Otsuka, Takao Suzuki
Higher-level competence: Results from the Integrated Longitudinal Studies on Aging in Japan (ILSA-J) on the shape of associations with impaired physical and cognitive functions. Geriatrics & gerontology international (2024)
Masanori Iwasaki, Maki Shirobe, Keiko Motokawa, Tomoki Tanaka, Kazunori Ikebe, Takayuki Ueda, Shunsuke Minakuchi, Masahiro Akishita, Hidenori Arai, Katsuya Iijima, Hiroyuki Sasai, Shuichi Obuchi, Hirohiko Hirano
Prevalence of oral frailty and its association with dietary variety, social engagement, and physical frailty: Results from the Oral Frailty 5-Item Checklist. Geriatrics & gerontology international 24 (4) (2024)
Yaka Matsuda, Ayako Baba, Ikuko Sugawara, Bo-Kyung Son, Katsuya Iijima
Multifaceted well-being experienced by community dwelling older adults engaged in volunteering activities of frailty prevention in Japan. Geriatrics & gerontology international (2024)
Yaka Matsuda, Ayako Baba, Ikuko Sugawara, Bo-Kyung Son, Katsuya Iijima
Multifaceted well-being experienced by community dwelling older adults engaged in volunteering activities of frailty prevention in Japan. Geriatrics & gerontology international (2024)
Yumi Umeda-Kameyama, Masashi Kameyama, Taro Kojima, Tomoki Tanaka, Katsuya Iijima, Sumito Ogawa, Tomomichi Iizuka, Masahiro Akishita
Investigation of a model for evaluating cognitive decline from facial photographs using AI. Geriatrics & gerontology international (2024)
Masanori Iwasaki, Maki Shirobe, Keiko Motokawa, Tomoki Tanaka, Kazunori Ikebe, Takayuki Ueda, Shunsuke Minakuchi, Masahiro Akishita, Hidenori Arai, Katsuya Iijima, Hiroyuki Sasai, Shuichi Obuchi, Hirohiko Hirano
Prevalence of oral frailty and its association with dietary variety, social engagement, and physical frailty: Results from the Oral Frailty 5-Item Checklist. Geriatrics & gerontology international 24 (4) (2024)
Tomoki Tanaka, Masahiro Akishita, Taro Kojima, Bo-Kyung Son, Katsuya Iijima
Medical care priorities of community-dwelling older adults according to three dimensions of quality of life: Quality of daily living, satisfaction and happiness from birth to death, and human vitality. Geriatrics & gerontology international 24 (5) (2024)
Masanori Iwasaki, Maki Shirobe, Keiko Motokawa, Tomoki Tanaka, Kazunori Ikebe, Takayuki Ueda, Shunsuke Minakuchi, Masahiro Akishita, Hidenori Arai, Katsuya Iijima, Hiroyuki Sasai, Shuichi Obuchi, Hirohiko Hirano
Prevalence of oral frailty and its association with dietary variety, social engagement, and physical frailty: Results from the Oral Frailty 5-Item Checklist. Geriatrics & gerontology international 24 (4) (2024)
Tomoko Kamei, Aki Kawada, Kotoko Minami, Zaiya Takahashi, Yasunori Ishigaki, Takashi Yamanaka, Noriko Yamamoto, Yuko Yamamoto, Yusuke Suzuki, Takamasa Watanabe, Katsuya Iijima, null null
Effectiveness of an interdisciplinary home care approach for older adults with chronic conditions: A systematic review and meta-analysis. Geriatrics & gerontology international (2024)
Yumi Umeda-Kameyama, Masashi Kameyama, Taro Kojima, Tomoki Tanaka, Katsuya Iijima, Sumito Ogawa, Tomomichi Iizuka, Masahiro Akishita
Investigation of a model for evaluating cognitive decline from facial photographs using AI. Geriatrics & gerontology international (2024)
Kotomi Sakai, Kuniyoshi Hayashi, Eri Hoshino, Enri Nakayama, Katsuya Iijima, Tomoki Tanaka, Ryo Momosaki, Nobuo Sakata
Association of oral hypofunction with aspiration pneumonia, fractures, and mortality in older Japanese adults. Geriatrics & gerontology international (2024)
Masanori Iwasaki, Maki Shirobe, Keiko Motokawa, Tomoki Tanaka, Kazunori Ikebe, Takayuki Ueda, Shunsuke Minakuchi, Masahiro Akishita, Hidenori Arai, Katsuya Iijima, Hiroyuki Sasai, Shuichi Obuchi, Hirohiko Hirano
Prevalence of oral frailty and its association with dietary variety, social engagement, and physical frailty: Results from the Oral Frailty 5-Item Checklist. Geriatrics & gerontology international (2024)
Yaka Matsuda, Ayako Baba, Ikuko Sugawara, Bo-Kyung Son, Katsuya Iijima
Multifaceted well-being experienced by community dwelling older adults engaged in volunteering activities of frailty prevention in Japan. Geriatrics & gerontology international (2024)
Takumi Abe, Yoshinori Fujiwara, Akihiko Kitamura, Yu Nofuji, Yukiko Nishita, Hyuma Makizako, Seungwon Jeong, Masanori Iwasaki, Minoru Yamada, Narumi Kojima, Katsuya Iijima, Shuichi Obuchi, Ken Shinmura, Rei Otsuka, Takao Suzuki
Higher-level competence: Results from the Integrated Longitudinal Studies on Aging in Japan (ILSA-J) on the shape of associations with impaired physical and cognitive functions. Geriatrics & gerontology international 24 (4) (2024)
Tomoki Tanaka, Masahiro Akishita, Taro Kojima, Bo-Kyung Son, Katsuya Iijima
Medical care priorities of community-dwelling older adults according to three dimensions of quality of life: Quality of daily living, satisfaction and happiness from birth to death, and human vitality. Geriatrics & gerontology international (2024)
Takumi Abe, Yoshinori Fujiwara, Akihiko Kitamura, Yu Nofuji, Yukiko Nishita, Hyuma Makizako, Seungwon Jeong, Masanori Iwasaki, Minoru Yamada, Narumi Kojima, Katsuya Iijima, Shuichi Obuchi, Ken Shinmura, Rei Otsuka, Takao Suzuki
Higher-level competence: Results from the Integrated Longitudinal Studies on Aging in Japan (ILSA-J) on the shape of associations with impaired physical and cognitive functions. Geriatrics & gerontology international 24 (4) (2024)
Bo-Kyung Son, Weida Lyu, Tomoki Tanaka, Yasuyo Yoshizawa, Masahiro Akishita, Katsuya Iijima
Impact of the anti-inflammatory diet on serum high-sensitivity C-Reactive protein and new-onset frailty in community-dwelling older adults: A 7-year follow-up of the Kashiwa cohort study. Geriatrics & gerontology international (2023)
Jun Kawamura, Tomoki Tanaka, Susumu Kanno, Kenji Osawa, Kazuto Okabayashi, Hirohiko Hirano, Maki Shirobe, Miyuki Nagatani, Bo-Kyung Son, Weida Lyu, Katsuya Iijima
Relationship between a gum-chewing routine and oral, physical, and cognitive functions of community-dwelling older adults: A Kashiwa cohort study. Geriatrics & gerontology international (2023)
Bo-Kyung Son, Weida Lyu, Tomoki Tanaka, Yasuyo Yoshizawa, Masahiro Akishita, Katsuya Iijima
Impact of the anti-inflammatory diet on serum high-sensitivity C-Reactive protein and new-onset frailty in community-dwelling older adults: A 7-year follow-up of the Kashiwa cohort study. Geriatrics & gerontology international (2023)
Tomoki Tanaka, Yasuyo Yoshizawa, Kenji Sugaya, Midori Yoshida, Son Bokyung, Weida Lyu, Kazuyo Tsushita, Katsuya Iijima
Predictive validity of the Questionnaire for Medical Checkup of Old-Old for functional disability: Using the National Health Insurance Database System. Geriatrics & gerontology international 23 (2) (2023)
Tomoki Tanaka, Yasuyo Yoshizawa, Kayo Kitamura, Kenji Sugaya, Kiyoko Miyajima, Mayumi Tsuneoka, Bo-Kyung Son, Weida Lyu, Kazuyo Tsushita, Katsuya Iijima
Frailty determined by the Questionnaire for Medical Checkup of Old-Old is correlated with increased healthcare cost: Using the Japanese health insurance database system. Geriatrics & gerontology international (2023)
Bo-Kyung Son, Weida Lyu, Tomoki Tanaka, Yasuyo Yoshizawa, Masahiro Akishita, Katsuya Iijima
Impact of the anti-inflammatory diet on serum high-sensitivity C-Reactive protein and new-onset frailty in community-dwelling older adults: A 7-year follow-up of the Kashiwa cohort study. Geriatrics & gerontology international (2023)
Misa Nishimoto, Tomoki Tanaka, Hirohiko Hirano, Yutaka Watanabe, Yuki Ohara, Maki Shirobe, Katsuya Iijima
Severe Periodontitis Increases the Risk of Oral Frailty: A Six-Year Follow-Up Study from Kashiwa Cohort Study. Geriatrics (Basel, Switzerland) 8 (1) (2023)
Misa Nishimoto, Tomoki Tanaka, Hirohiko Hirano, Yutaka Watanabe, Yuki Ohara, Maki Shirobe, Katsuya Iijima
Severe Periodontitis Increases the Risk of Oral Frailty: A Six-Year Follow-Up Study from Kashiwa Cohort Study. Geriatrics (Basel, Switzerland) 8 (1) (2023)
Tomoki Tanaka, Yasuyo Yoshizawa, Kenji Sugaya, Midori Yoshida, Son Bokyung, Weida Lyu, Kazuyo Tsushita, Katsuya Iijima
Predictive validity of the Questionnaire for Medical Checkup of Old-Old for functional disability: Using the National Health Insurance Database System. Geriatrics & gerontology international (2023)
Tomoki Tanaka, Hirohiko Hirano, Kazunori Ikebe, Takayuki Ueda, Masanori Iwasaki, Maki Shirobe, Shunsuke Minakuchi, Masahiro Akishita, Hidenori Arai, Katsuya Iijima
Oral frailty five-item checklist to predict adverse health outcomes in community-dwelling older adults: A Kashiwa cohort study. Geriatrics & gerontology international 23 (9) (2023)
Bo-Kyung Son, Takahiro Miura, Ken-Ichiro Yabu, Yuka Sumikawa, Dongyool Kim, Weida Lyu, Yingxue Yang, Moeko Tanaka, Tomoki Tanaka, Yasuyo Yoshizawa, Katsuya Iijima
The Co-Design/Co-Development and Evaluation of an Online Frailty Check Application for Older Adults: Participatory Action Research with Older Adults. International journal of environmental research and public health 20 (12) (2023)
Bo-Kyung Son, Weida Lyu, Tomoki Tanaka, Yasuyo Yoshizawa, Masahiro Akishita, Katsuya Iijima
Impact of the anti-inflammatory diet on serum high-sensitivity C-Reactive protein and new-onset frailty in community-dwelling older adults: A 7-year follow-up of the Kashiwa cohort study. Geriatrics & gerontology international (2023)
Bo-Kyung Son, Takahiro Miura, Ken-Ichiro Yabu, Yuka Sumikawa, Dongyool Kim, Weida Lyu, Yingxue Yang, Moeko Tanaka, Tomoki Tanaka, Yasuyo Yoshizawa, Katsuya Iijima
The Co-Design/Co-Development and Evaluation of an Online Frailty Check Application for Older Adults: Participatory Action Research with Older Adults. International journal of environmental research and public health 20 (12) (2023)
Bo-Kyung Son, Takahiro Miura, Ken-Ichiro Yabu, Yuka Sumikawa, Dongyool Kim, Weida Lyu, Yingxue Yang, Moeko Tanaka, Tomoki Tanaka, Yasuyo Yoshizawa, Katsuya Iijima
The Co-Design/Co-Development and Evaluation of an Online Frailty Check Application for Older Adults: Participatory Action Research with Older Adults. International journal of environmental research and public health 20 (12) (2023)
Tomoki Tanaka, Yasuyo Yoshizawa, Kenji Sugaya, Midori Yoshida, Son Bokyung, Weida Lyu, Kazuyo Tsushita, Katsuya Iijima
Predictive validity of the Questionnaire for Medical Checkup of Old-Old for functional disability: Using the National Health Insurance Database System. Geriatrics & gerontology international 23 (2) (2023)
Weida Lyu, Tomoki Tanaka, Son Bo-Kyung, Yasuyo Yoshizawa, Masahiro Akishita, Katsuya Iijima
Integrated effects of nutrition-related, physical, and social factors on frailty among community-dwelling older adults: A 7-year follow-up from the Kashiwa cohort study. Geriatrics & gerontology international (2023)
Misa Nishimoto, Tomoki Tanaka, Hirohiko Hirano, Yutaka Watanabe, Yuki Ohara, Maki Shirobe, Katsuya Iijima
Severe Periodontitis Increases the Risk of Oral Frailty: A Six-Year Follow-Up Study from Kashiwa Cohort Study. Geriatrics (Basel, Switzerland) 8 (1) (2023)
Misa Nishimoto, Tomoki Tanaka, Hirohiko Hirano, Yutaka Watanabe, Yuki Ohara, Maki Shirobe, Katsuya Iijima
Severe Periodontitis Increases the Risk of Oral Frailty: A Six-Year Follow-Up Study from Kashiwa Cohort Study. Geriatrics (Basel, Switzerland) 8 (1) (2023)
Bo-Kyung Son, Takahiro Miura, Ken-Ichiro Yabu, Yuka Sumikawa, Dongyool Kim, Weida Lyu, Yingxue Yang, Moeko Tanaka, Tomoki Tanaka, Yasuyo Yoshizawa, Katsuya Iijima
The Co-Design/Co-Development and Evaluation of an Online Frailty Check Application for Older Adults: Participatory Action Research with Older Adults. International journal of environmental research and public health 20 (12) (2023)
Misa Nishimoto, Tomoki Tanaka, Hirohiko Hirano, Yutaka Watanabe, Yuki Ohara, Maki Shirobe, Katsuya Iijima
Severe Periodontitis Increases the Risk of Oral Frailty: A Six-Year Follow-Up Study from Kashiwa Cohort Study. Geriatrics (Basel, Switzerland) 8 (1) (2023)
Tomoki Tanaka, Bo-Kyung Son, Weida Lyu, Katsuya Iijima
Impact of social engagement on the development of sarcopenia among community-dwelling older adults: A Kashiwa cohort study. Geriatrics & gerontology international 22 (5) (2022)
Kotomi Sakai, Enri Nakayama, Daisuke Yoneoka, Nobuo Sakata, Katsuya Iijima, Tomoki Tanaka, Kuniyoshi Hayashi, Christiani Jeyakumar Henry, Eri Hoshino
Association of Oral Function and Dysphagia with Frailty and Sarcopenia in Community-Dwelling Older Adults: A Systematic Review and Meta-Analysis. Cells 11 (14) (2022)
Weida Lyu, Tomoki Tanaka, Bo-Kyung Son, Yasuyo Yoshizawa, Masahiro Akishita, Katsuya Iijima
Associations of Nutrition-Related, Physical, and Social Factors and Their Combinations with Sarcopenia in Community-Dwelling Older Adults: Kashiwa Cohort Study. Nutrients 14 (17) (2022)
Katsuya Iijima, Hidenori Arai, Masahiro Akishita, Tamao Endo, Kouetsu Ogasawara, Naoki Kashihara, Yukiko K Hayashi, Wako Yumura, Masayuki Yokode, Yasuyoshi Ouchi
Toward the development of a vibrant, super-aged society: The future of medicine and society in Japan. Geriatrics & gerontology international 21 (8) (2021)
Motofumi Suzuki, Jiro Okochi, Katsuya Iijima, Taro Murata, Haruki Kume
Nationwide survey of continence status among older adult residents living in long-term care facilities in Japan: The prevalence and associated risk factors of incontinence and effect of comprehensive care on continence status. Geriatrics & gerontology international 20 (4) (2020)
null null, Masafumi Kuzuya, Kaoruko Aita, Yoko Katayama, Tomohiro Katsuya, Mitsunori Nishikawa, Satoshi Hirahara, Hisayuki Miura, Madoka Yanagawa, Hidenori Arai, Katsuya Iijima, Jiro Okochi, Koichi Kozaki, Yasuhiro Yamaguchi, Hiromi Rakugi, Masahiro Akishita
The Japan Geriatrics Society consensus statement "recommendations for older persons to receive the best medical and long-term care during the COVID-19 outbreak-considering the timing of advance care planning implementation". Geriatrics & gerontology international 20 (12) (2020)
Bo-Kyung Son, Masahiro Akishita, Emiko Uchiyama, Shujirou Imaeda, Sakiko Taniguchi, Yuka Sumikawa, Suthutvoravut Unyaporn, Takehiro Matsubara, Sakae Tanaka, Toshiaki Tanaka, Toshio Otsuki, Junichiro Okata, Katsuya Iijima
Multiple turns: Potential risk factor for falls on the way to the toilet. Geriatrics & gerontology international 19 (12) (2020)
Wee-Shiong Lim, Chih-Kuang Liang, Prasert Assantachai, Tung W Auyeung, Lin Kang, Wei-Ju Lee, Seung-Lyul Oh, Ken Sugimoto, Masahiro Akishita, Shu-Lih Chia, Ming-Yueh Chou, Yew-Yoong Ding, Katsuya Iijima, Hak C Jang, Shuji Kawashima, Miji Kim, Taro Kojima, Masafumi Kuzuya, Jenny Lee, Sang Y Lee, Jae Hyun Kim, Li-Ning Peng, Ninie Y Wang, Yin-Wei Wang, Chang W Won, Jean Woo, Liang-Kung Chen, Hidenori Arai
COVID-19 and older people in Asia: Asian Working Group for Sarcopenia calls to actions. Geriatrics & gerontology international 20 (6) (2020)
Boyoung Jeon, Nanako Tamiya, Satoru Yoshie, Katsuya Iijima, Tatsuro Ishizaki
Potentially avoidable hospitalizations, non-potentially avoidable hospitalizations and in-hospital deaths among residents of long-term care facilities. Geriatrics & gerontology international 18 (8) (2019)
Tomoki Tanaka, Kyo Takahashi, Masahiro Akishita, Katsuya Iijima
Can bioelectrical impedance analysis using a home-use device properly estimate sarcopenia in community-dwelling older adults? Geriatrics & gerontology international 18 (11) (2019)
Takashi Yamanaka, Yoshito Hirota, Maiko Noguchi-Watanabe, Anna Tamai, Masato Eto, Katsuya Iijima, Masahiro Akishita
Changes in attitude of medical students toward home care during a required 2-week home care clinical clerkship program. Geriatrics & gerontology international 18 (4) (2019)
Tomoki Tanaka, Hiroshige Matsumoto, Bo-Kyung Son, Shujirou Imaeda, Emiko Uchiyama, Sakiko Taniguchi, Akiko Nishino, Takahiro Miura, Toshiaki Tanaka, Toshio Otsuki, Kazuhiko Nishide, Katsuya Iijima, Junichiro Okata
Environmental and physical factors predisposing middle-aged and older Japanese adults to falls and fall-related fractures in the home. Geriatrics & gerontology international 18 (9) (2018)
Tomoki Tanaka, Kyo Takahashi, Masahiro Akishita, Tetsuo Tsuji, Katsuya Iijima
"Yubi-wakka" (finger-ring) test: A practical self-screening method for sarcopenia, and a predictor of disability and mortality among Japanese community-dwelling older adults. Geriatrics & gerontology international 18 (2) (2017)