Relationship Between Presenteeism and Work-related Cuts and Abrasions in the Retail Industry: A Prospective Cohort Study in Japan
Kanon Ishii; Naoaki Ohkubo; Makoto Okawara; Keiki Hirashima; Akane Ninomiya; Azusa Shima; Yuichiro Kawatsu; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Apr. 2026

Associations between Work–Family Conflict and Presenteeism among Working Women in Japan: A Nationwide Internet Survey
Masashi Yasunaga; Tomohiro Ishimaru; Naoaki Ohkubo; Makoto Okawara; Shinya Matsuda; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Apr. 2026, Reviewed, No invitation

Robotic Versus Video-Assisted Thoracoscopic Lobectomy/Segmentectomy: Multilevel Analysis in Japan
Yukiko Nemoto; Makoto Okawara; Natsumasa Nishizawa; Masataka Mori; Masaru Takenaka; Koji Kuroda; Yoshihisa Fujino; Shinya Matsuda; Kiyohide Fushimi; Fumihiro Tanaka
Interdisciplinary CardioVascular and Thoracic Surgery, Jan. 2026, Reviewed, No invitation

Utilization of Fertility Treatment in Japan During the First Year of Insurance Coverage: Analysis of Real‐World Health Claims Data
Makoto Okawara; Tomoichiro Kuwazuru; Moe Masunaga; Kenji Fujimoto; Masako Nagata; Takeshi Iwasa; Yoshihisa Fujino
Reproductive Medicine and Biology, Jan. 2026, Reviewed, No invitation
Lead, Corresponding

Functional Differentiation Among Medical Institutions During COVID-19 State of Emergency Periods: Autoregressive Integrated Moving Average Analysis of Percutaneous Coronary Intervention Using Diagnosis Procedure Combination Data
Fumio Watanabe; Keiji Muramatsu; Kei Tokutsu; Makoto Okawara; Kiyohide Fushimi; Shinya Matsuda
The Tohoku Journal of Experimental Medicine, 2026, Reviewed, No invitation

Comparison of tofacitinib, baricitinib, upadacitinib and filgotinib: a 2-year observational study from FIRST registry
Koshiro Sonomoto; Shingo Nakayamada; Hidenori Sakai; Masanobu Ueno; Hiroaki Tanaka; Atsushi Nagayasu; Takafumi Aritomi; Makoto Okawara; Akinori Nakata; Yoshiya Tanaka
RMD Open, Jan. 2026, Reviewed, No invitation

Association Between Heavy Menstrual Bleeding and Presenteeism Among Female Workers
Yuki Tahara; Makoto Okawara; Keiki Hirashima; Naoya Sawamoto; Naoaki Ohkubo; Tomohiro Ishimaru; Seiichiro Tateishi; Shinya Matsuda; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Dec. 2025, Reviewed, No invitation

Relationship between the mental state of female workers and menstruation: from the HERLIFE study
Naoaki Ohkubo; Makoto Okawara; Keiki Hirashima; Naoya Sawamoto; Tomoichiro Kuwazuru; Yuki Tahara; Sumire Koh; Manaki Nagai; Seiichiro Tateishi; Tomohiro Ishimaru; Shinya Matsuda; Yoshihisa Fujino
Discover Public Health, Oct. 2025, Reviewed, No invitation

Impact of COVID-19 state of emergency declarations on percutaneous coronary intervention volumes in Japan: a SARIMAX analysis of nationwide DPC database (2018–2021)
Fumio Watanabe; Keiji Muramatsu; Kei Tokutsu; Makoto Okawara; Kiyohide Fushimi; Shinya Matsuda
BMJ Open, Oct. 2025, Reviewed, No invitation

A Cross-sectional Study of the Association of Menopausal Symptoms With Presenteeism Among Female Employees of a Japanese Company
Tomoichiro Kuwazuru; Makoto Okawara; Naoaki Ohkubo; Tomohiro Ishimaru; Seiichiro Tateishi; Shigeo Horie; Toshiyuki Yasui; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Aug. 2025, Reviewed

A cross-sectional study of menstrual symptoms and workplace mistreatment
Naoya Sawamoto; Keiki Hirashima; Naoaki Ohkubo; Makoto Okawara; Tomohiro Ishimaru; Ning Liu; Yoshihisa Fujino
Occupational Medicine, Jul. 2025, Reviewed

Association Between Presenteeism and Work-Related Falls Among Older Workers in the Retail Sector
Keiki Hirashima; Azusa Shima; Makoto Okawara; Tomohiro Ishimaru; Ayumi Morino; Yuichiro Kawatsu; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, May 2025, Reviewed

Association of Menstrual-Related Symptoms and Presenteeism
Sumire Koh; Makoto Okawara; Keiki Hirashima; Tomoichiro Kuwazuru; Satoshi Yamashita; Naoaki Ohkubo; Seiichiro Tateishi; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, May 2025, Reviewed, No invitation
Corresponding

Impact of Family Cohabitation Status and Work-From-Home on Sleep Problems Among Japanese Workers During the COVID-19 Pandemic
Rintaro Fujii; Makoto Okawara; Ryutaro Matsugaki; Kiminori Odagami; Ayako Hino; Seiichiro Tateishi; Mayumi Tsuji; Reiji Yoshimura; Shinya Matsuda; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Feb. 2025, Reviewed, No invitation

Work Functioning Impairment and Telework: Influence of Family Cohabiting Situation
Ai Yoshida; Makoto Okawara; Ryutaro Matsugaki; Tomohisa Nagata; Seiichiro Tateishi; Hisashi Eguchi; Mayumi Tsuji; Shinya Matsuda; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Feb. 2025, Reviewed, No invitation

Association of work–family conflict with psychological distress and mental disorder among Japanese working women
Sutharat Chamnanchang; Tomohiro Ishimaru; Naoaki Ohkubo; Makoto Okawara; Keiki Hirashima; Hisashi Eguchi; Shinya Matsuda; Yoshihisa Fujino
Journal of Occupational Health, Jan. 2025, Reviewed, No invitation

Association between andropause symptoms and work functioning impairment: a cross-sectional study in two Japanese companies
Makoto OKAWARA; Seiichiro TATEISHI; Shigeo HORIE; Toshiyuki YASUI; Yoshihisa FUJINO
Industrial Health, 2025, Reviewed, No invitation
Lead, Corresponding

レセプト情報を用いた男性更年期障害の診療実態に関する研究
大河原 眞; 村松 圭司; 松田 晋哉; 藤野 善久; 藤本 賢治; 岩佐 武; 井出 久満; 甲賀 かをり; 安井 敏之; 堀江 重郎
産業医科大学雑誌, Jan. 2025, Reviewed, No invitation
Lead, Corresponding

Effect of Annual Leave Days on Presenteeism - a Cohort Study in Employees of a Japanese Corporate Group
Satoshi Yamashita; Makoto Okawara; Fuyu Miyake; Tomohiro Ishimaru; Kenji Fujimoto; Masako Nagata; Kenichi Sugiura; Tetsuya Morita; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Dec. 2024, Reviewed, No invitation
Corresponding

Study Protocol of the HERLIFE Study Based on CHERRIES: Study of Health, Employment, Resilience, and the Life of Females
Yoshihisa FUJINO; Keiki HIRASHIMA; Makoto OKAWARA; Naoaki OHKUBO; Tomohiro ISHIMARU; Ning LIU; Shinya MATSUDA; the HERLIFE Study
Journal of UOEH, Dec. 2024, Reviewed, No invitation

Association between presenteeism and mistreatment at the workplace during the COVID-19 pandemic in Japan: A one-year prospective cohort study
Naoya Sawamoto; Makoto Okawara; Ryutaro Matsugaki; Ayako Hino; Tomohisa Nagata; Seiichiro Tateishi; Mayumi Tsuji; Shinya Matsuda; Yoshihisa Fujino
Journal of Occupational and Environmental Medicine, Nov. 2024, Reviewed

Association between Physical Work Environment during Work from Home and Sleep during the COVID-19 Pandemic: A Prospective Cohort Study in Japan.
Keiki Hirashima; Makoto Okawara; Seiichiro Tateishi; Hisashi Eguchi; Mayumi Tsuji; Akira Ogami; Koji Mori; Shinya Matsuda; Yoshihisa Fujino
Journal of occupational and environmental medicine, Aug. 2024, Reviewed, No invitation
Corresponding

Relationship between low visual acuity and nonfatal occupational same-level falls in Japanese female employees: a cohort study.
Azusa Shima; Yuichiro Kawatsu; Miki Murakami; Ayumi Morino; Makoto Okawara; Keiki Hirashima; Naomi Miyamatsu; Yoshihisa Fujino
Journal of occupational and environmental medicine, Jul. 2024, Reviewed, No invitation

Association Between Telecommuting Preference-frequency mismatch and Insomnia among Japanese Workers in the COVID-19 Pandemic: A Prospective Cohort study.
Shinsuke Hamada; Makoto Okawara; Seiichiro Tateishi; Hisashi Eguchi; Mayumi Tsuji; Akira Ogami; Koji Mori; Shinya Matsuda; Reiji Yoshimura; Yoshihisa Fujino
Journal of occupational and environmental medicine, Jul. 2024, Reviewed, No invitation
Corresponding

Association between menopausal symptoms and work-related factors among female workers in Japan: a cross-sectional study.
Naoya Sawamoto; Makoto Okawara; Tomohiro Ishimaru; Seiichiro Tateishi; Shigeo Horie; Toshiyuki Yasui; Yoshihisa Fujino
Journal of occupational and environmental medicine, Jun. 2024, Reviewed, No invitation

Presenteeism and Traffic Accident Among Taxi Drivers: A Prospective Cohort Study in Japan
Makoto Okawara; Kei Tokutsu; Keiki Hirashima; Tomohiro Ishimaru; Yoshihisa Fujino
Safety and Health at Work, Apr. 2024, Reviewed, No invitation
Lead, Corresponding

Relationship Between Infection or Close Contact With COVID-19 and Workplace Mistreatment Among Japanese Workers
Naoya Sawamoto; Makoto Okawara; Keiji Muramatsu; Kiminori Odagami; Kosuke Mafune; Seiichiro Tateishi; Mayumi Tsuji; Akira Ogami; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Apr. 2024, Reviewed, No invitation

健康保険組合のレセプトデータを用いた女性更年期障害の受診状況に関する研究
大河原眞; 木内理世; 村松圭司; 松田晋也; 藤野善久; 藤本賢治; 岩佐武; 井出久満; 甲賀かをり; 堀江重郎; 安井敏之
日本医師会雑誌, Feb. 2024, Reviewed, No invitation
Lead, Corresponding

Relationship between anemia and occupational fall injuries in female part-time employees: an observational study of large supermarket stores in Japan
Azusa Shima; Yuichiro Kawatsu; Ayumi Morino; Makoto Okawara; Keiki Hirashima; Naomi Miyamatsu; Yoshihisa Fujino
Journal of Occupational Health, Jan. 2024, Reviewed, No invitation

A prospective cohort study of presenteeism and increased risk of unemployment among Japanese workers during the COVID-19 pandemic
Fujino, Y.; Okawara, M.; Hino, A.; Muramatsu, K.; Nagata, T.; Tateishi, S.; Tsuji, M.; Ogami, A.; Ishimaru, T.
Journal of Occupational Health, 2024, Reviewed, No invitation

Short-term outcomes of pancreatoduodenectomy in older individuals over a 9-year period using real-world data: A multilevel analysis based on a nationwide administrative database in Japan.
Yasuhisa Mori; Makoto Okawara; Kazunori Shibao; Shiro Kohi; Toshihisa Tamura; Norihiro Sato; Yoshihisa Fujino; Kiyohide Fushimi; Shinya Matsuda; Keiji Hirata
Journal of hepato-biliary-pancreatic sciences, Nov. 2023, Reviewed

手腕振動障害の一次健診における利き手と非利き手間の握力差と有所見の関連について
澤本 尚哉; 大河原 眞; 原 俊之; 佐藤 修二; 川村 英喜; 藤野 善久
日本手外科学会誌, Oct. 2023, Reviewed, No invitation

Impact of COVID-19 Infection on Work Functioning in Japanese Workers: A Prospective Cohort Study
Makoto Okawara; Keiki Hirashima; Yu Igarashi; Kosuke Mafune; Keiji Muramatsu; Tomohisa Nagata; Mayumi Tsuji; Akira Ogami; Yoshihisa Fujino
Safety and Health at Work, Oct. 2023, Reviewed, No invitation
Lead, Corresponding

A Review of Recent Scientific Findings on the Health Effects of Working from Home and Implications for the Development of Regulation
Makoto Okawara; Satoshi Yamashita
Journal of Work Health and Safety Regulation, Oct. 2023, Reviewed, No invitation
Lead, Corresponding

Trends in Physician Work Schedules in Japan: Employed Physician Surveys of the Japan Medical Association in 2009, 2015, and 2021.
Tomohiro Ishimaru; Makoto Okawara; Toru Yoshikawa; Michiko Kido; Yoshifumi Nakashima; Anna Nakayasu; Kokuto Kimori; Satoshi Imamura; Kichiro Matsumoto
JMA journal, Jul. 2023, Reviewed

Impact of menopausal symptoms on presenteeism in Japanese women
Ishimaru, T.; Okawara, M.; Tateishi, S.; Yasui, T.; Horie, S.; Fujino, Y.
Occupational Medicine, 2023, Reviewed, No invitation

Relationship between financial distress and mistreatment of workers regarding the COVID-19 prevention measures: A 1-year prospective cohort study.
Naoya Sawamoto; Makoto Okawara; Ryutaro Matsugaki; Kiminori Odagami; Kosuke Mafune; Seiichiro Tateishi; Mayumi Tsuji; Akira Ogami; Yoshihisa Fujino
Journal of occupational health, 2023, Reviewed

Workplace infection control measures and romantic activities of workers during COVID-19 pandemic: A prospective cohort study in Japan.
Yoshihisa Fujino; Makoto Okawara; Ayako Hino; Keiji Muramatsu; Tomohisa Nagata; Kazunori Ikegami; Seiichiro Tateishi; Mayumi Tsuji; Tomohiro Ishimaru
Frontiers in public health, 2023, Reviewed

Presenteeism in front-line physicians involved in COVID-19-related clinical practice: a national survey of employed physician members of the Japan Medical Association.
Tomohiro Ishimaru; Toru Yoshikawa; Makoto Okawara; Michiko Kido; Yoshifumi Nakashima; Anna Nakayasu; Kokuto Kimori; Satoshi Imamura; Kichiro Matsumoto
Environmental health and preventive medicine, 2023, Reviewed

Health and work performance consequences of working from home environment: a nationwide prospective cohort study in Japan
Makoto Okawara; Tomohiro Ishimaru; Yu Igarashi; Ryutaro Matsugaki; Kosuke Mafune; Tomohisa Nagata; Mayumi Tsuji; Akira Ogami; Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Dec. 2022, Reviewed, No invitation
Lead, Corresponding

Association of alcohol consumption and frequency with loneliness: A cross-sectional study among Japanese workers during the COVID-19 pandemic.
Yusuke Konno; Makoto Okawara; Ayako Hino; Tomohisa Nagata; Keiji Muramatsu; Seiichiro Tateishi; Mayumi Tsuji; Akira Ogami; Reiji Yoshimura; Yoshihisa Fujino
Heliyon, Dec. 2022, Reviewed

The Impact of COVID-19 Outbreak on Health Emergency and Disaster in Japan
Tomohiro Ishimaru; Shoichi Shimizu; Ayaka Teshima; Koki Ibayashi; Mihoko Arikado; Yoko Tsurugi; Seiichiro Tateishi; Makoto Okawara
Sustainability, Nov. 2022
Last

A Prospective Cohort Study of Presenteeism and Increased Risk of Divorce Among Japanese Workers.
Yoshihisa Fujino; Makoto Okawara; Ayako Hino; Keiji Muramatsu; Tomohisa Nagata; Seiichiro Tateishi; Mayumi Tsuji; Akira Ogami; Tomohiro Ishimaru
Journal of occupational and environmental medicine, Nov. 2022, Reviewed

Changes in operative trends and short‐term outcomes of surgery for congenital biliary dilatation in adults using real‐world data: A multilevel analysis based on a nationwide administrative database in Japan
Yasuhisa Mori; Makoto Okawara; Kazunori Shibao; Shiro Kohi; Toshihisa Tamura; Norihiro Sato; Yoshihisa Fujino; Kiyohide Fushimi; Shinya Matsuda; Keiji Hirata
Annals of Gastroenterological Surgery, Oct. 2022, Reviewed, No invitation

Postoperative cerebral infarction risk is related to lobectomy site in lung cancer: a retrospective cohort study of nationwide data in Japan
Natsumasa Nishizawa; Makoto Okawara; Masataka Mori; Yoshihisa Fujino; Shinya Matsuda; Kiyohide Fushimi; Fumihiro Tanaka
BMJ Open Respiratory Research, Jul. 2022, Reviewed, No invitation

Evaluation of cholecystectomy in older individuals using real-world data: a multilevel analysis based on a nationwide administrative database in Japan.
Yasuhisa Mori; Makoto Okawara; Kenji Fujimoto; Takuya Oba; Norihiro Sato; Shiro Kohi; Toshihisa Tamura; Jun Nagata; Yoshihisa Fujino; Kiyohide Fushimi; Shinya Matsuda; Kazunori Shibao; Keiji Hirata
Journal of gastroenterology, Apr. 2022, Reviewed

A prospective cohort study of presenteeism and poverty among Japanese workers during the COVID-19 pandemic
Yoshihisa Fujino; Makoto Okawara; Yu Igarashi; Mami Kuwamura; Ayako Hino; Keiji Muramatsu; Tomohisa Nagata; Akira Ogami; Tomohiro Ishimaru
Journal of Occupational Health, Jan. 2022, Reviewed

A prospective cohort study of presenteeism and poverty among Japanese workers during the COVID-19 pandemic.
Yoshihisa Fujino; Makoto Okawara; Yu Igarashi; Mami Kuwamura; Ayako Hino; Keiji Muramatsu; Tomohisa Nagata; Akira Ogami; Tomohiro Ishimaru
Journal of occupational health, Jan. 2022, Reviewed, No invitation

Working hours, side work, and depressive symptoms in physicians: A nationwide cross‐sectional study in Japan
Makoto Okawara; Tomohiro Ishimaru; Toru Yoshikawa; Michiko Kido; Yoshifumi Nakashima; Anna Nakayasu; Kokuto Kimori; Satoshi Imamura; Kichiro Matsumoto
Journal of Occupational Health, Jan. 2022, Reviewed, No invitation
Lead, Corresponding

Treatment interruption is a risk factor for sickness presenteeism: A large‐scale cross‐sectional study during the COVID‐19 pandemic
Makoto Okawara; Tomohiro Ishimaru; Seiichiro Tateishi; Ayako Hino; Mayumi Tsuji; Akira Ogami; Tomohisa Nagata; Shinya Matsuda; Yoshihisa Fujino
Journal of Occupational Health, Jan. 2022, Reviewed
Lead, Corresponding

Disrupted care during the COVID-19 state of emergency and productivity loss attributed to presenteeism in workers: a nationwide cross-sectional study.
Tomohiro Ishimaru; Kanami Tsuno; Ai Hori; Makoto Okawara; Yoshino Yasuda; Yoshihisa Fujino; Takahiro Tabuchi
BMJ open, Dec. 2021, Reviewed

Association Between Work Attendance When Experiencing Fever or Cold Symptoms and Company Characteristics and Socioeconomic Status in the COVID-19 Pandemic in Japanese Workers: A Cross-Sectional Study.
Kazuyoshi Mizuki; Makoto Okawara; Ayako Hino; Hajime Ando; Tomohisa Nagata; Seiichiro Tateishi; Mayumi Tsuji; Shinya Matsuda; Yoshihisa Fujino
Journal of occupational and environmental medicine, Dec. 2021, Reviewed, No invitation

Association between work-related changes caused by the COVID-19 pandemic and severe psychological distress among Japanese workers.
Naoki Shiota; Tomohiro Ishimaru; Makoto Okawara; Yoshihisa Fujino; Takahiro Tabuchi
Industrial health, Oct. 2021, Reviewed

Association Between the Physical Work Environment and Work Functioning Impairment While Working From Home Under the COVID-19 Pandemic in Japanese Workers
Makoto Okawara; Tomohiro Ishimaru; Seiichiro Tateishi; Ayako Hino; Mayumi Tsuji; Kazunori Ikegami; Masako Nagata; Shinya Matsuda; Yoshihisa Fujino; for the CORoNaWork project
Journal of Occupational & Environmental Medicine, Sep. 2021, Reviewed, No invitation
Lead

Gender differences in the determinants of willingness to get the COVID-19 vaccine among the working-age population in Japan
Tomohiro Ishimaru; Makoto Okawara; Hajime Ando; Ayako Hino; Tomohisa Nagata; Seiichiro Tateishi; Mayumi Tsuji; Shinya Matsuda; Yoshihisa Fujino
Human Vaccines & Immunotherapeutics, Jul. 2021, Reviewed

Association between the course of hypnotics treatment for insomnia and work functioning impairment in Japanese workers
Makoto Okawara; Tomohisa Nagata; Masako Nagata; Makoto Otani; Koji Mori; Yoshihisa Fujino
PLOS ONE, Dec. 2020, Reviewed
Lead

Work functioning impairment in the course of pharmacotherapy treatment for depression
Tomohisa Nagata; Yoshihisa Fujino; Makoto Ohtani; Kenji Fujimoto; Masako Nagata; Shigeyuki Kajiki; Makoto Okawara; Koji Mori
Scientific Reports, Dec. 2020, Reviewed

Validation of the Japanese version of the CDC HRQOL‐4 in workers
Odgerel Chimed‐Ochir; Yuko Mine; Makoto Okawara; Koki Ibayashi; Fuyu Miyake; Yoshihisa Fujino
Journal of Occupational Health, Jan. 2020, Reviewed

Cross‐cultural validation of the work functioning impairment scale (WFun) among Japanese, English, and Chinese versions using Rasch analysis
Yoshihisa Fujino; Ning Liu; Odgerel Chimed‐Ochir; Makoto Okawara; Tomohiro Ishimaru; Tatsuhiko Kubo
Journal of Occupational Health, Nov. 2019, Reviewed

Examination of factors for promoting cooperation using documents between occupational health physicians and psychiatrists
Makoto Okawara; Shigeyuki Kajiki; Akira Kusumoto; Yoshihisa Fujino; Takahiro Shinkai; Hideki Morimoto; Yoshiyuki Hino; Satoshi Yamashita; Michihiro Hattori; Koji Mori
SANGYO EISEIGAKU ZASSHI, Feb. 2018, Reviewed
Lead

在宅勤務と健康影響 主にワーク・エンゲイジメント、労働生産性に関して
大河原 眞
公衆衛生, Aug. 2023, Not reviewed, Invited
Lead, Corresponding

健康保険組合のレセプトデータを用いた女性更年期障害の受診状況に関する研究
大河原眞、木内理世、村松圭司、松田晋哉、藤野善久、藤本賢治、岩佐武、井手久満、甲賀かをり、堀江重郎、安井敏之
日本医師会雑誌, Feb. 2024, Reviewed, No invitation
Lead, Corresponding

第四次産業革命と産業保健制度
吉田 肇, 三柴 丈典, 松原 哲也, 八谷 百合子, 神田橋 宏治, 五十嵐 侑, 大河原 眞
産業保健法学会誌, Oct. 2024, Not reviewed, Invited
Last

在宅勤務の健康影響_x000D_ ―COVID-19流行下の影響と、これからにむけて―
大河原　眞
産業保健法学会誌, Dec. 2022, Reviewed, Invited
Lead, Corresponding

CORoNaWork project: COVID-19流行下における労働者の働き方と健康 (3) プレゼンティーズム
大河原　眞, 藤野　善久
産業医学ジャーナル, Mar. 2023, Not reviewed, Invited
Lead, Corresponding

レセプト情報を用いた男性更年期障害の診療実態に関する研究
大河原 眞 , 村松 圭司, 松田 晋哉, 藤野 善久, 藤本 賢治, 岩佐 武, 井出 久満, 甲賀 かをり, 安井 敏之, 堀江 重郎
産業医科大学雑誌, Jan. 2025, Reviewed, No invitation
Lead, Corresponding

精神科主治医からの情報提供を充実させるために産業医が依頼文書に記載すべき要素の検討
大河原 眞, 梶木 繋之, 楠本 朗, 藤野 善久, 新開 隆弘, 森本 英樹, 日野 義之, 山下 哲史, 服部 理裕, 森 晃爾
産業衛生学雑誌, Jan. 2018, Reviewed, No invitation
Lead

Changes in operative trends and short-term outcomes of surgery for congenital biliary dilatation in adults using real-world data: A multilevel analysis based on a nationwide administrative database in Japan
Yasuhisa Mori,Makoto Okawara,Kazunori Shibao,Shiro Kohi,Toshihisa Tamura, Norihiro Sato,_x000D_ Yoshihisa Fujino ,Kiyohide Fushimi,Shinya Matsuda,Keiji Hirata
Annals of Gastroenterological Surgery, May 2023, Reviewed, No invitation

Disrupted care during the COVID-19 state of emergency and productivity loss attributed to presenteeism in workers: a nationwide cross-sectional study.
Ishimaru Tomohiro, Tsuno Kanami, Hori Ai, Okawara Makoto, Yasuda Yoshino, Fujino Yoshihisa, Tabuchi Takahiro
BMJ open, Dec. 2021, Reviewed, No invitation

Postoperative cerebral infarction risk is related to lobectomy site in lung cancer: a retrospective cohort study of nationwide data in Japan.
Nishizawa Natsumasa, Okawara Makoto, Mori Masataka, Fujino Yoshihisa, Matsuda Shinya, Fushimi Kiyohide, Tanaka Fumihiro
BMJ open respiratory research, Jul. 2022, Reviewed, No invitation

Presenteeism in front-line physicians involved in COVID-19-related clinical practice: a national survey of employed physician members of the Japan Medical Association.
Ishimaru Tomohiro, Yoshikawa Toru, Okawara Makoto, Kido Michiko, Nakashima Yoshifumi, Nakayasu Anna, Kimori Kokuto, Imamura Satoshi, Matsumoto Kichiro
Environmental health and preventive medicine, Feb. 2023, Reviewed, No invitation

Workplace infection control measures and romantic activities of workers during COVID-19 pandemic: A prospective cohort study in Japan.
Fujino Yoshihisa, Okawara Makoto, Hino Ayako, Muramatsu Keiji, Nagata Tomohisa, Ikegami Kazunori, Tateishi Seiichiro, Tsuji Mayumi, Ishimaru Tomohiro
Frontiers in public health, Feb. 2023, Reviewed, No invitation

Association of alcohol consumption and frequency with loneliness: A cross-sectional study among Japanese workers during the COVID-19 pandemic.
Konno Yusuke, Okawara Makoto, Hino Ayako, Nagata Tomohisa, Muramatsu Keiji, Tateishi Seiichiro, Tsuji Mayumi, Ogami Akira, Yoshimura Reiji, Fujino Yoshihisa,
Heliyon, Dec. 2022, Reviewed, No invitation

Gender differences in the determinants of willingness to get the COVID-19 vaccine among the working-age population in Japan.
Ishimaru Tomohiro, Okawara Makoto, Ando Hajime, Hino Ayako, Nagata Tomohisa, Tateishi Seiichiro, Tsuji Mayumi, Matsuda Shinya, Fujino Yoshihisa,
Human vaccines & immunotherapeutics, Nov. 2021, Reviewed, No invitation

Association between andropause symptoms and work functioning impairment: a cross-sectional study in two Japanese companies.
Okawara Makoto, Tateishi Seiichiro, Horie Shigeo, Yasui Toshiyuki, Fujino Yoshihisa
Industrial health, Dec. 2024, Reviewed, No invitation
Lead, Corresponding

Association between work-related changes caused by the COVID-19 pandemic and severe psychological distress among Japanese workers.
Shiota Naoki, Ishimaru Tomohiro, Okawara Makoto, Fujino Yoshihisa, Tabuchi Takahiro
Industrial health, Oct. 2021, Reviewed, No invitation

Trends in Physician Work Schedules in Japan: Employed Physician Surveys of the Japan Medical Association in 2009, 2015, and 2021.
Ishimaru Tomohiro, Okawara Makoto, Yoshikawa Toru, Kido Michiko, Nakashima Yoshifumi, Nakayasu Anna, Kimori Kokuto, Imamura Satoshi, Matsumoto Kichiro
JMA journal, Jul. 2023, Reviewed, No invitation

Cross-sectional study of the association of menopausal symptoms with presenteeism among female employees of a Japanese company
Tomoichiro Kuwazuru,Makoto Okawara,Naoaki Ohkubo,Tomohiro Ishimaru,Seiichiro Tateishi,Shigeo Horie,Toshiyuki Yasui,Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Mar. 2025, Reviewed, No invitation

Health and work performance consequences of working from home environment: a nationwide prospective cohort study in Japan
Okawara Makoto, Ishimaru Tomohiro, Igarashi Yu, Matsugaki Ryutaro, Mafune Kosuke, Nagata Tomohisa, Tsuji Mayumi, Ogami Akira, Fujino Yoshihisa
Journal of Occupational and Environmental Medicine, Apr. 2023, Reviewed, No invitation
Lead, Corresponding

Study Protocol of the HERLIFE Study Based on CHERRIES: Study of Health, Employment, Resilience, and the Life of Females.
Fujino Yoshihisa, Hirashima Keiki, Okawara Makoto, Ohkubo Naoaki, Ishimaru Tomohiro, Liu Ning, Matsuda Shinya, The Herlife Study
Journal of UOEH, Dec. 2024, Reviewed, No invitation

A Review of Recent Scientific Findings on the Health Effects of Working from Home and Implications for the Development of Regulation
Makoto Okawara,Satoshi Yamashita
Journal of Work Health and Safety Regulation, Oct. 2023, Reviewed, No invitation
Lead, Corresponding

Evaluation of cholecystectomy in older individuals using real-world data: a multilevel analysis based on a nationwide administrative database in Japan.
Mori Yasuhisa, Okawara Makoto, Fujimoto Kenji, Oba Takuya, Sato Norihiro, Kohi Shiro, Tamura Toshihisa, Nagata Jun, Fujino Yoshihisa, Fushimi Kiyohide, Matsuda Shinya, Shibao Kazunori, Hirata Keiji
Journal of gastroenterology, Jun. 2022, Reviewed, No invitation

Short-term outcomes of pancreatoduodenectomy in older individuals over a 9-year period using real-world data: A multilevel analysis based on a nationwide administrative database in Japan.
Mori Yasuhisa, Okawara Makoto, Shibao Kazunori, Kohi Shiro, Tamura Toshihisa, Sato Norihiro, Fujino Yoshihisa, Fushimi Kiyohide, Matsuda Shinya, Hirata Keiji
Journal of hepato-biliary-pancreatic sciences, Apr. 2024, Reviewed, No invitation

Short-term outcomes of pancreatoduodenectomy in older individuals over a 9-year period using real-world data: A multilevel analysis based on a nationwide administrative database in Japan.
Mori Yasuhisa, Okawara Makoto, Shibao Kazunori, Kohi Shiro, Tamura Toshihisa, Sato Norihiro, Fujino Yoshihisa, Fushimi Kiyohide, Matsuda Shinya, Hirata Keiji
Journal of hepato-biliary-pancreatic sciences, Nov. 2023, Reviewed, No invitation

Association between menopausal symptoms and work-related factors among female workers in Japan: a cross-sectional study.
Sawamoto Naoya, Okawara Makoto, Ishimaru Tomohiro, Tateishi Seiichiro, Horie Shigeo, Yasui Toshiyuki, Fujino Yoshihisa
Journal of occupational and environmental medicine, Jun. 2024, Reviewed, No invitation

Association of Menstrual-related Symptoms and Presenteeism: A Cross-sectional Study of Working Women in Japan.
Koh Sumire, Okawara Makoto, Hirashima Keiki, Kuwazuru Tomoichiro, Yamashita Satoshi, Ohkubo Naoaki, Tateishi Seiichiro, Fujino Yoshihisa
Journal of occupational and environmental medicine, Apr. 2025, Reviewed, No invitation

Association between Presenteeism and Work-related Falls among Older Workers in the Retail Sector: a Cohort Study in Japan.
Hirashima Keiki, Shima Azusa, Okawara Makoto, Ishimaru Tomohiro, Morino Ayumi, Kawatsu Yuichiro, Fujino Yoshihisa
Journal of occupational and environmental medicine, Feb. 2025, Reviewed, No invitation
Corresponding

Effect of Annual Leave Days on Presenteeism-A Cohort Study in Employees of a Japanese Corporate Group.
Yamashita Satoshi, Okawara Makoto, Miyake Fuyu, Ishimaru Tomohiro, Fujimoto Kenji, Nagata Masako, Sugiura Kenichi, Morita Tetsuya, Fujino Yoshihisa
Journal of occupational and environmental medicine, Mar. 2025, Reviewed, No invitation
Corresponding

Association Between Male Menopause Severity and Presenteeism: A Cross-sectional Study.
Beppu Hiroki, Okawara Makoto, Yamashita Satoshi, Tateishi Seiichiro, Horie Shigeo, Yasui Toshiyuki, Fujino Yoshihisa
Journal of occupational and environmental medicine, Mar. 2025, Reviewed, No invitation

Work Functioning Impairment and Telework: Influence of Family Cohabiting Situation.
Yoshida Ai, Okawara Makoto, Matsugaki Ryutaro, Nagata Tomohisa, Tateishi Seiichiro, Eguchi Hisashi, Tsuji Mayumi, Matsuda Shinya, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Feb. 2025, Reviewed, Null

Impact of Family Cohabitation Status and Work-From-Home on Sleep Problems Among Japanese Workers During the COVID-19 Pandemic: A Cross-sectional Study.
Fujii Rintaro, Okawara Makoto, Matsugaki Ryutaro, Odagami Kiminori, Hino Ayako, Tateishi Seiichiro, Tsuji Mayumi, Yoshimura Reiji, Matsuda Shinya, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Feb. 2025, Reviewed, No invitation

Association Between Presenteeism and Mistreatment at the Workplace During the COVID-19 Pandemic in Japan: A 1-Year Prospective Cohort Study.
Sawamoto Naoya, Okawara Makoto, Matsugaki Ryutaro, Hino Ayako, Nagata Tomohisa, Tateishi Seiichiro, Tsuji Mayumi, Matsuda Shinya, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Feb. 2025, Reviewed, Null

Relationship Between Infection or Close Contact With COVID-19 and Workplace Mistreatment Among Japanese Workers: A Cross-sectional Study.
Sawamoto Naoya, Okawara Makoto, Muramatsu Keiji, Odagami Kiminori, Mafune Kosuke, Tateishi Seiichiro, Tsuji Mayumi, Ogami Akira, Fujino Yoshihisa
Journal of occupational and environmental medicine, Apr. 2024, Reviewed, Null

Association Between Physical Work Environment During Work From Home and Sleep During the COVID-19 Pandemic: A Prospective Cohort Study in Japan.
Hirashima Keiki, Okawara Makoto, Tateishi Seiichiro, Eguchi Hisashi, Tsuji Mayumi, Ogami Akira, Mori Koji, Matsuda Shinya, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Dec. 2024, Reviewed, Null
Corresponding

Relationship Between Low Visual Acuity and Nonfatal Occupational Same-Level Falls in Japanese Female Employees: A Cohort Study.
Shima Azusa, Kawatsu Yuichiro, Murakami Miki, Morino Ayumi, Okawara Makoto, Hirashima Keiki, Miyamatsu Naomi, Fujino Yoshihisa
Journal of occupational and environmental medicine, Oct. 2024, Reviewed, No invitation

Association Between Telecommuting Preference-frequency mismatch and Insomnia among Japanese Workers in the COVID-19 Pandemic: A Prospective Cohort study.
Hamada Shinsuke, Okawara Makoto, Tateishi Seiichiro, Eguchi Hisashi, Tsuji Mayumi, Ogami Akira, Mori Koji, Matsuda Shinya, Yoshimura Reiji, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Oct. 2024, Reviewed, No invitation
Corresponding

Health and Work Performance Consequences of Working From Home Environment: A Nationwide Prospective Cohort Study in Japan.
Okawara Makoto, Ishimaru Tomohiro, Igarashi Yu, Matsugaki Ryutaro, Mafune Kosuke, Nagata Tomohisa, Tsuji Mayumi, Ogami Akira, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Apr. 2023, Reviewed, No invitation
Lead, Corresponding

Health and work performance consequences of working from home environment: a nationwide prospective cohort study in Japan.
Okawara Makoto, Ishimaru Tomohiro, Igarashi Yu, Matsugaki Ryutaro, Mafune Kosuke, Nagata Tomohisa, Tsuji Mayumi, Ogami Akira, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Dec. 2022, Reviewed, No invitation
Lead, Corresponding

Association Between Work Attendance When Experiencing Fever or Cold Symptoms and Company Characteristics and Socioeconomic Status in the COVID-19 Pandemic in Japanese Workers: A Cross-Sectional Study.
Mizuki Kazuyoshi, Okawara Makoto, Hino Ayako, Ando Hajime, Nagata Tomohisa, Tateishi Seiichiro, Tsuji Mayumi, Matsuda Shinya, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Mar. 2022, Reviewed, No invitation

A Prospective Cohort Study of Presenteeism and Increased Risk of Divorce Among Japanese Workers.
Fujino Yoshihisa, Okawara Makoto, Hino Ayako, Muramatsu Keiji, Nagata Tomohisa, Tateishi Seiichiro, Tsuji Mayumi, Ogami Akira, Ishimaru Tomohiro,
Journal of occupational and environmental medicine, Nov. 2022, Reviewed, No invitation

Association Between the Physical Work Environment and Work Functioning Impairment While Working From Home Under the COVID-19 Pandemic in Japanese Workers.
Okawara Makoto, Ishimaru Tomohiro, Tateishi Seiichiro, Hino Ayako, Tsuji Mayumi, Ikegami Kazunori, Nagata Masako, Matsuda Shinya, Fujino Yoshihisa,
Journal of occupational and environmental medicine, Sep. 2021, Reviewed, No invitation
Lead

A prospective cohort study of presenteeism and increased risk of unemployment among Japanese workers during the COVID-19 pandemic.
Fujino Yoshihisa, Okawara Makoto, Hino Ayako, Muramatsu Keiji, Nagata Tomohisa, Tateishi Seiichiro, Tsuji Mayumi, Ogami Akira, Ishimaru Tomohiro,
Journal of occupational health, Jan. 2024, Reviewed, No invitation

Relationship between financial distress and mistreatment of workers regarding the COVID-19 prevention measures: A 1-year prospective cohort study.
Sawamoto Naoya, Okawara Makoto, Matsugaki Ryutaro, Odagami Kiminori, Mafune Kosuke, Tateishi Seiichiro, Tsuji Mayumi, Ogami Akira, Fujino Yoshihisa,
Journal of occupational health, 2023, Reviewed, No invitation

Working hours, side work, and depressive symptoms in physicians: A nationwide cross-sectional study in Japan.
Okawara Makoto, Ishimaru Tomohiro, Yoshikawa Toru, Kido Michiko, Nakashima Yoshifumi, Nakayasu Anna, Kimori Kokuto, Imamura Satoshi, Matsumoto Kichiro
Journal of occupational health, Dec. 2022, Reviewed, No invitation
Lead, Corresponding

A prospective cohort study of presenteeism and poverty among Japanese workers during the COVID-19 pandemic.
Fujino Yoshihisa, Okawara Makoto, Igarashi Yu, Kuwamura Mami, Hino Ayako, Muramatsu Keiji, Nagata Tomohisa, Ogami Akira, Ishimaru Tomohiro,
Journal of occupational health, Jan. 2022, Reviewed, Null

Treatment interruption is a risk factor for sickness presenteeism: A large-scale cross-sectional study during the COVID-19 pandemic.
Okawara Makoto, Ishimaru Tomohiro, Tateishi Seiichiro, Hino Ayako, Tsuji Mayumi, Ogami Akira, Nagata Tomohisa, Matsuda Shinya, Fujino Yoshihisa,
Journal of occupational health, Jan. 2022, Reviewed, No invitation
Lead, Corresponding

Validation of the Japanese version of the CDC HRQOL-4 in workers.
Chimed-Ochir Odgerel, Mine Yuko, Okawara Makoto, Ibayashi Koki, Miyake Fuyu, Fujino Yoshihisa
Journal of occupational health, Jan. 2020, Reviewed, No invitation

Cross-cultural validation of the work functioning impairment scale (WFun) among Japanese, English, and Chinese versions using Rasch analysis.
Fujino Yoshihisa, Liu Ning, Chimed-Ochir Odgerel, Okawara Makoto, Ishimaru Tomohiro, Kubo Tatsuhiko
Journal of occupational health, Nov. 2019, Reviewed, No invitation

Impact of menopausal symptoms on presenteeism in Japanese women.
Ishimaru T, Okawara M, Tateishi S, Yasui T, Horie S, Fujino Y
Occupational medicine (Oxford, England), Oct. 2023, Reviewed, No invitation

Association between the course of hypnotics treatment for insomnia and work functioning impairment in Japanese workers.
Okawara Makoto, Nagata Tomohisa, Nagata Masako, Otani Makoto, Mori Koji, Fujino Yoshihisa
PloS one, Dec. 2020, Reviewed, No invitation

Presenteeism and Traffic Accident Among Taxi Drivers: A Prospective Cohort Study in Japan.
Okawara Makoto, Tokutsu Kei, Hirashima Keiki, Ishimaru Tomohiro, Fujino Yoshihisa
Safety and health at work, Jun. 2024, Reviewed, No invitation
Lead, Corresponding

Impact of COVID-19 Infection on Work Functioning in Japanese Workers: A Prospective Cohort Study.
Okawara Makoto, Hirashima Keiki, Igarashi Yu, Mafune Kosuke, Muramatsu Keiji, Nagata Tomohisa, Tsuji Mayumi, Ogami Akira, Fujino Yoshihisa,
Safety and health at work, Dec. 2023, Reviewed, Null
Lead, Corresponding

Work functioning impairment in the course of pharmacotherapy treatment for depression.
Nagata Tomohisa, Fujino Yoshihisa, Ohtani Makoto, Fujimoto Kenji, Nagata Masako, Kajiki Shigeyuki, Okawara Makoto, Mori Koji
Scientific reports, Sep. 2020, Reviewed, Null

The Impact of COVID-19 Outbreak on Health Emergency and Disaster in Japan
Tomohiro Ishimaru,Shoichi Shimizu,Ayaka Teshima,Koki Ibayashi,Mihoko Arikado,Yoko Tsurugi,Seiichiro Tateishi,Makoto Okawara
Sustainability, Nov. 2022, Reviewed, No invitation
Last

Work Functioning Impairment and Telework
Ai Yoshida,Makoto Okawara,Ryutaro Matsugaki,Tomohisa Nagata,Seiichiro Tateishi,Hisashi Eguchi,Mayumi Tsuji,Shinya Matsuda,Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Feb. 2025, Reviewed, No invitation

Association between presenteeism and mistreatment at the workplace during the COVID-19 pandemic in Japan: A one-year prospective cohort study
Naoya Sawamoto,Makoto Okawara,Ryutaro Matsugaki,Ayako Hino,Tomohisa Nagata,Seiichiro Tateishi,Mayumi Tsuji,Shinya Matsuda,Yoshihisa Fujino
Journal of Occupational & Environmental Medicine, Nov. 2024, Reviewed, No invitation

Relationship between anemia and occupational fall injuries in female part-time employees: an observational study of large supermarket stores in Japan.
Shima Azusa, Kawatsu Yuichiro, Morino Ayumi, Okawara Makoto, Hirashima Keiki, Miyamatsu Naomi, Fujino Yoshihisa
Journal of occupational health, Jan. 2024, Null, Null

Encyclopedia of Somnology
Japanese Society of Sleep Research, Contributor, Sleep and productivity -Presenteeism
丸善出版株式会社, Jul. 2024
9784621309216