K Osaka

Publications (30)

Change in the prevalence of social isolation among the older population from 2010 to 2016: A repeated cross-sectional comparative study of Japan and England.

Archives of gerontology and geriatrics

Avec: Taishi Tsuji , Masashige Saito , Takaaki Ikeda , Jun Aida , Noriko Cable , Shihoko Koyama , Taiji Noguchi , Ken Osaka , Katsunori Kondo

Wider Dental Care Coverage Associated with Lower Oral Health Inequalities: A Comparison Study between Japan and England.

International journal of environmental research and public health

Avec: Kanade Ito , Noriko Cable , Tatsuo Yamamoto , Kayo Suzuki , Katsunori Kondo , Ken Osaka , Georgios Tsakos , Richard G Watt , Jun Aida

Is the Association between Green Tea Consumption and the Number of Remaining Teeth Affected by Social Networks?: A Cross-Sectional Study from the Japan Gerontological Evaluation Study Project.

International journal of environmental research and public health

Avec: Manami Hoshi , Jun Aida , Taro Kusama , Takafumi Yamamoto , Sakura Kiuchi , Tatsuo Yamamoto , Toshiyuki Ojima , Katsunori Kondo , Ken Osaka

Socioeconomic inequalities in low back pain among older people: the JAGES cross-sectional study.

International journal for equity in health

Avec: Takaaki Ikeda , Kemmyo Sugiyama , Jun Aida , Toru Tsuboya , Nanae Watabiki , Katsunori Kondo , Ken Osaka

Cohort Study on Laryngeal Cough Reflex, Respiratory Disease, and Death: A Mediation Analysis.

Journal of the American Medical Directors Association

Avec: Takafumi Yamamoto , Jun Aida , Tomohiro Shinozaki , Toru Tsuboya , Kemmyo Sugiyama , Tatsuo Yamamoto , Katsunori Kondo , Keiichi Sasaki , Ken Osaka

Identification of Phosphorus Sources in a Watershed Using a Phosphate Oxygen Isoscape Approach.

Environmental science & technology

Avec: Takuya Ishida , Yoshitoshi Uehara , Tomoya Iwata , Abigail P Cid-Andres , Satoshi Asano , Tohru Ikeya , Ken'ichi Osaka , Jun'ichiro Ide , Osbert Leo A Privaldos , Irisse Bianca B De Jesus , Elfritzson M Peralta , Ellis Mika C Triño , Chia-Ying Ko , Adina Paytan , Ichiro Tayasu , Noboru Okuda

Characteristics of Transactive Relationship Phenomena among Older adults, Care Workers as Intermediaries, and the Pepper Robot with Care Prevention Gymnastics Exercises.

The journal of medical investigation : JMI

Avec: Ryuichi Tanioka , Hiroko Sugimoto , Yuko Yasuhara , Hirokazu Ito , Kyoko Osaka , Yueren Zhao , Yoshihiro Kai , Rozzano Locsin , Tetsuya Tanioka

Student Loans and Psychological Distress: A Cross-sectional Study of Young Adults in Japan.

Journal of epidemiology

Avec: Yukihiro Sato , Richard G Watt , Yasuaki Saijo , Eiji Yoshioka , Ken Osaka

Income or education, which has a stronger association with dental implant use in elderly people in Japan?

International dental journal

Avec: Hazem Abbas , Jun Aida , Masashige Saito , Georgios Tsakos , Richard G Watt , Shigeto Koyama , Katsunori Kondo , Ken Osaka

Determinants of Increased Tobacco Consumption Following a Major Disaster.

Disaster medicine and public health preparedness

Avec: Shihoko Koyama , Takahiro Tabuchi , Jun Aida , Ken Osaka , Isao Miyashiro

Proactive Engagement of the Expert Meeting in Managing the Early Phase of the COVID-19 Epidemic, Japan, February-June 2020.

Emerging infectious diseases

Avec: Tomoya Saito , Kaori Muto , Mikihito Tanaka , Nobuhiko Okabe , Hitoshi Oshitani , Satoshi Kamayachi , Yoshihiro Kawaoka , Akihiko Kawana , Motoi Suzuki , Kazuhiro Tateda , Hitomi Nakayama , Masaki Yoshida , Akifumi Imamura , Fumio Ohtake , Norio Ohmagari , Ken Osaka , Mitsuo Kaku , Tomimasa Sunagawa , Kazutoshi Nakashima , Hiroshi Nishiura , Koji Wada , Shigeru Omi , Takaji Wakita

Radioactivity and radionuclides in deciduous teeth formed before the Fukushima-Daiichi Nuclear Power Plant accident.

Scientific reports

Avec: Atsushi Takahashi , Mirei Chiba , Akira Tanahara , Jun Aida , Yoshinaka Shimizu , Toshihiko Suzuki , Shinobu Murakami , Kazuma Koarai , Takumi Ono , Toshitaka Oka , Joji Ikeyama , Osamu Kaneko , Makoto Unno , Kimiharu Hirose , Takashi Ohno , Yasushi Kino , Tsutomu Sekine , Ken Osaka , Keiichi Sasaki , Hisashi Shinoda

Remote-Controlled Drone System through Eye Movements of Patients Who Need Long-Term Care: An Intermediary's Role.

Healthcare (Basel, Switzerland)

Avec: Feni Betriana , Ryuichi Tanioka , Atsunori Kogawa , Riku Suzuki , Yuki Seki , Kyoko Osaka , Yueren Zhao , Yoshihiro Kai , Tetsuya Tanioka , Rozzano Locsin

Knowledge, Practices and Attitudes towards Silver Diamine Fluoride Therapy among Dentists in Japan: A Mixed Methods Study.

International journal of environmental research and public health

Avec: Hollis Haotian Chai , Sakura Kiuchi , Ken Osaka , Jun Aida , Chun-Hung Chu , Shiqian Sherry Gao

Dental prosthesis use is associated with higher protein intake among older adults with tooth loss.

Journal of oral rehabilitation

Avec: Taro Kusama , Kenji Takeuchi , Sakura Kiuchi , Jun Aida , Hiroyuki Hikichi , Satoshi Sasaki , Katsunori Kondo , Ken Osaka

Dental prosthesis use moderates association between tooth loss and risk of depressive symptoms in older adults with severe tooth loss: The JAGES cohort trial.

Journal of prosthodontic research

Avec: Noriko Nakazawa , Kenji Takeuchi , Taro Kusama , Sakura Kiuchi , Katsunori Kondo , Ken Osaka

Retroperitoneal low-grade fibromyxoid sarcoma.

IJU case reports

Avec: Takeaki Noguchi , Takahisa Suzuki , Yosuke Shibata , Mitsuyuki Koizumi , Kimito Osaka , Takeshi Kishida

A diagnostically challenging case of inflammatory myofibroblastic tumor primary to the peritoneum.

IJU case reports

Avec: Jurii Karibe , Jun-Ichi Teranishi , Takashi Kawahara , Takeaki Noguchi , Teppei Takeshima , Kimito Osaka , Eita Kumagai , Tomoe Sawazumi , Satoshi Fujii , Hiroji Uemura

Bivalent mRNA vaccine effectiveness against COVID-19 among older adults in Japan: a test-negative study from the VENUS study.

BMC infectious diseases

Avec: Yudai Tamada , Kenji Takeuchi , Taro Kusama , Megumi Maeda , Fumiko Murata , Ken Osaka , Haruhisa Fukuda

Detection of oral cancer and oral potentially malignant disorders using artificial intelligence-based image analysis.

Head & neck

Avec: Atsumu Kouketsu , Chiaki Doi , Hiroaki Tanaka , Takashi Araki , Rina Nakayama , Tsuguyoshi Toyooka , Satoshi Hiyama , Masahiro Iikubo , Ken Osaka , Keiichi Sasaki , Hirokazu Nagai , Tsuyoshi Sugiura , Kensuke Yamauchi , Kanako Kuroda , Yuta Yanagisawa , Hitoshi Miyashita , Tomonari Kajita , Ryosuke Iwama , Tsuyoshi Kurobane , Tetsu Takahashi

Associations of hypothetical early intensive in-hospital rehabilitation with activities of daily living after hip fracture surgery in patients with and without dementia: Emulating a randomized controlled trial using medical claims data.

Journal of clinical epidemiology

Avec: Takaaki Ikeda , Upul Cooray , Ryutaro Matsugaki , Yuta Suzuki , Michiaki Takagi , Keiji Muramatsu , Kiyohide Fushimi , Masayasu Murakami , Ken Osaka , Shinya Matsuda

Knowledge and Awareness of Human Papillomavirus (HPV) Influence HPV Vaccination Uptake Among the Catch-up Generation in Japan.

Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy

Avec: Yuka Yamagishi , Natsuko Nakamura , Marina Minami , Kaoru Keyama , Kyoko Osaka , Nagamasa Maeda , Hiroshige Mikamo

Effects of Community Water Fluoridation on Dental Caries Disparities in Adolescents.

International journal of environmental research and public health

Avec: Go Matsuo , Jun Aida , Ken Osaka , Richard Gary Rozier

Outcomes of treatment for localized prostate cancer in a single institution: comparison of radical prostatectomy and radiation therapy by propensity score matching analysis.

World journal of urology

Avec: Narihiko Hayashi , Kimito Osaka , Kentaro Muraoka , Hisashi Hasumi , Kazuhide Makiyama , Keiichi Kondo , Noboru Nakaigawa , Masahiro Yao , Yuki Mukai , Madoka Sugiura , Shoko Takano , Eiko Ito , Hisashi Kaizu , Izumi Koike , Masaharu Hata , Masataka Taguri , Yasuhide Miyoshi , Koji Izumi , Takashi Kawahara , Hiroji Uemura

Relating Mori's Uncanny Valley in generating conversations with artificial affective communication and natural language processing.

Nursing philosophy : an international journal for healthcare professionals

Avec: Feni Betriana , Kyoko Osaka , Kazuyuki Matsumoto , Tetsuya Tanioka , Rozzano C Locsin

[Trajectory of evacuees' health condition after the Great East Japan Earthquake: Health survey of residents in prefabricated temporary housing and private rented housing in the Miyagi prefecture].

[Nihon koshu eisei zasshi] Japanese journal of public health

Avec: Taro Kusama , Jun Aida , Daisuke Higashi , Yaeko Sato , Tamotsu Onodera , Kemmyo Sugiyama , Toru Tsuboya , Tatsuya Takahashi , Ken Osaka

Visible- and UV-Light-Induced Decarboxylative Radical Reactions of Benzoic Acids Using Organic Photoredox Catalysts.

The Journal of organic chemistry

Avec: Suzuka Kubosaki , Haruka Takeuchi , Yutaka Iwata , Yosuke Tanaka , Kazuyuki Osaka , Mugen Yamawaki , Toshio Morita , Yasuharu Yoshimi

Infrequent Denture Cleaning Increased the Risk of Pneumonia among Community-dwelling Older Adults: A Population-based Cross-sectional Study.

Scientific reports

Avec: Taro Kusama , Jun Aida , Tatsuo Yamamoto , Katsunori Kondo , Ken Osaka

Psychosocial Factors and Knee Pain Among Older People in Japan: The JAGES Cross-Sectional Study.

The Clinical journal of pain

Avec: Takaaki Ikeda , Jun Aida , Toru Tsuboya , Kemmyo Sugiyama , Katsunori Kondo , Ken Osaka

Are social inequalities in influenza vaccination coverage in Japan reduced by health policy?

Preventive medicine reports

Avec: Tselmuun Chinzorig , Kemmyo Sugiyama , Jun Aida , Toru Tsuboya , Ken Osaka

Réseau de co-auteurs

Ken Osaka 21 collaborations

Jun Aida 15 collaborations

Katsunori Kondo 10 collaborations

Taro Kusama 6 collaborations

Kemmyo Sugiyama 5 collaborations

Toru Tsuboya 5 collaborations

Takaaki Ikeda 4 collaborations

Tatsuo Yamamoto 4 collaborations

Sakura Kiuchi 4 collaborations

Kyoko Osaka 4 collaborations

Richard G Watt 3 collaborations

Keiichi Sasaki 3 collaborations

Tetsuya Tanioka 3 collaborations

Kenji Takeuchi 3 collaborations

Kimito Osaka 3 collaborations

Masashige Saito 2 collaborations

Noriko Cable 2 collaborations

Shihoko Koyama 2 collaborations

Georgios Tsakos 2 collaborations

Takafumi Yamamoto 2 collaborations

Ryuichi Tanioka 2 collaborations

Yueren Zhao 2 collaborations

Yoshihiro Kai 2 collaborations

Rozzano Locsin 2 collaborations

Feni Betriana 2 collaborations

Takeaki Noguchi 2 collaborations

Takashi Kawahara 2 collaborations

Hiroji Uemura 2 collaborations

Taishi Tsuji 1 collaboration

Taiji Noguchi 1 collaboration

Kanade Ito 1 collaboration

Kayo Suzuki 1 collaboration

Manami Hoshi 1 collaboration

Toshiyuki Ojima 1 collaboration

Nanae Watabiki 1 collaboration

Tomohiro Shinozaki 1 collaboration

Takuya Ishida 1 collaboration

Yoshitoshi Uehara 1 collaboration

Tomoya Iwata 1 collaboration

Abigail P Cid-Andres 1 collaboration

Satoshi Asano 1 collaboration

Tohru Ikeya 1 collaboration

Ken'ichi Osaka 1 collaboration

Jun'ichiro Ide 1 collaboration

Osbert Leo A Privaldos 1 collaboration

Irisse Bianca B De Jesus 1 collaboration

Elfritzson M Peralta 1 collaboration

Ellis Mika C Triño 1 collaboration

Chia-Ying Ko 1 collaboration

Adina Paytan 1 collaboration

Ichiro Tayasu 1 collaboration

Noboru Okuda 1 collaboration

Hiroko Sugimoto 1 collaboration

Yuko Yasuhara 1 collaboration

Hirokazu Ito 1 collaboration

Yukihiro Sato 1 collaboration

Yasuaki Saijo 1 collaboration

Eiji Yoshioka 1 collaboration

Hazem Abbas 1 collaboration

Shigeto Koyama 1 collaboration

Takahiro Tabuchi 1 collaboration

Isao Miyashiro 1 collaboration

Tomoya Saito 1 collaboration

Kaori Muto 1 collaboration

Mikihito Tanaka 1 collaboration

Nobuhiko Okabe 1 collaboration

Hitoshi Oshitani 1 collaboration

Satoshi Kamayachi 1 collaboration

Yoshihiro Kawaoka 1 collaboration

Akihiko Kawana 1 collaboration

Motoi Suzuki 1 collaboration

Kazuhiro Tateda 1 collaboration

Hitomi Nakayama 1 collaboration

Masaki Yoshida 1 collaboration

Akifumi Imamura 1 collaboration

Fumio Ohtake 1 collaboration

Norio Ohmagari 1 collaboration

Mitsuo Kaku 1 collaboration

Tomimasa Sunagawa 1 collaboration

Kazutoshi Nakashima 1 collaboration

Hiroshi Nishiura 1 collaboration

Koji Wada 1 collaboration

Shigeru Omi 1 collaboration

Takaji Wakita 1 collaboration

Atsushi Takahashi 1 collaboration

Mirei Chiba 1 collaboration

Akira Tanahara 1 collaboration

Yoshinaka Shimizu 1 collaboration

Toshihiko Suzuki 1 collaboration

Shinobu Murakami 1 collaboration

Kazuma Koarai 1 collaboration

Takumi Ono 1 collaboration

Toshitaka Oka 1 collaboration

Joji Ikeyama 1 collaboration

Osamu Kaneko 1 collaboration

Makoto Unno 1 collaboration

Kimiharu Hirose 1 collaboration

Takashi Ohno 1 collaboration

Yasushi Kino 1 collaboration

Tsutomu Sekine 1 collaboration

Hisashi Shinoda 1 collaboration

Atsunori Kogawa 1 collaboration

Riku Suzuki 1 collaboration

Yuki Seki 1 collaboration

Hollis Haotian Chai 1 collaboration

Chun-Hung Chu 1 collaboration

Shiqian Sherry Gao 1 collaboration

Hiroyuki Hikichi 1 collaboration

Satoshi Sasaki 1 collaboration

Noriko Nakazawa 1 collaboration

Takahisa Suzuki 1 collaboration

Yosuke Shibata 1 collaboration

Mitsuyuki Koizumi 1 collaboration

Takeshi Kishida 1 collaboration

Jurii Karibe 1 collaboration

Jun-Ichi Teranishi 1 collaboration

Teppei Takeshima 1 collaboration

Eita Kumagai 1 collaboration

Tomoe Sawazumi 1 collaboration

Satoshi Fujii 1 collaboration

Yudai Tamada 1 collaboration

Megumi Maeda 1 collaboration

Fumiko Murata 1 collaboration

Haruhisa Fukuda 1 collaboration

Atsumu Kouketsu 1 collaboration

Chiaki Doi 1 collaboration

Hiroaki Tanaka 1 collaboration

Takashi Araki 1 collaboration

Rina Nakayama 1 collaboration

Tsuguyoshi Toyooka 1 collaboration

Satoshi Hiyama 1 collaboration

Masahiro Iikubo 1 collaboration

Hirokazu Nagai 1 collaboration

Tsuyoshi Sugiura 1 collaboration

Kensuke Yamauchi 1 collaboration

Kanako Kuroda 1 collaboration

Yuta Yanagisawa 1 collaboration

Hitoshi Miyashita 1 collaboration

Tomonari Kajita 1 collaboration

Ryosuke Iwama 1 collaboration

Tsuyoshi Kurobane 1 collaboration

Tetsu Takahashi 1 collaboration

Upul Cooray 1 collaboration

Ryutaro Matsugaki 1 collaboration

Yuta Suzuki 1 collaboration

Michiaki Takagi 1 collaboration

Keiji Muramatsu 1 collaboration

Kiyohide Fushimi 1 collaboration

Masayasu Murakami 1 collaboration

Shinya Matsuda 1 collaboration

Yuka Yamagishi 1 collaboration

Natsuko Nakamura 1 collaboration

Marina Minami 1 collaboration

Kaoru Keyama 1 collaboration

Nagamasa Maeda 1 collaboration

Hiroshige Mikamo 1 collaboration

Go Matsuo 1 collaboration

Richard Gary Rozier 1 collaboration

Narihiko Hayashi 1 collaboration

Kentaro Muraoka 1 collaboration

Hisashi Hasumi 1 collaboration

Kazuhide Makiyama 1 collaboration

Keiichi Kondo 1 collaboration

Noboru Nakaigawa 1 collaboration

Masahiro Yao 1 collaboration

Yuki Mukai 1 collaboration

Madoka Sugiura 1 collaboration

Shoko Takano 1 collaboration

Eiko Ito 1 collaboration

Hisashi Kaizu 1 collaboration

Izumi Koike 1 collaboration

Masaharu Hata 1 collaboration

Masataka Taguri 1 collaboration

Yasuhide Miyoshi 1 collaboration

Koji Izumi 1 collaboration

Kazuyuki Matsumoto 1 collaboration

Rozzano C Locsin 1 collaboration

Daisuke Higashi 1 collaboration

Yaeko Sato 1 collaboration

Tamotsu Onodera 1 collaboration

Tatsuya Takahashi 1 collaboration

Suzuka Kubosaki 1 collaboration

Haruka Takeuchi 1 collaboration

Yutaka Iwata 1 collaboration

Yosuke Tanaka 1 collaboration

Kazuyuki Osaka 1 collaboration

Mugen Yamawaki 1 collaboration

Toshio Morita 1 collaboration

Yasuharu Yoshimi 1 collaboration

Tselmuun Chinzorig 1 collaboration