Association Between Toothbrushing Habits and COVID-19 Symptoms by Hazem Abbas, Kenji Takeuchi, Shihoko Koyama, Ken Osaka, Takahiro Tabuchi

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Longitudinal association between posterior occlusal contact and dementia development in a large retrospective cohort study using a Japanese claims database by Takashi Miyano, Yudai Tamada, Taro Kusama, Ken Osaka, Kenji Takeuchi

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Temporary employment and tooth loss: a cross-sectional study from the J-SHINE study by Yukihiro Sato, Toru Tsuboya, Richard G. Watt, Jun Aida, Ken Osaka

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Student Loans and Psychological Distress: A Cross-sectional Study of Young Adults in Japan by Yukihiro Sato, Richard G. Watt, Yasuaki Saijo, Eiji Yoshioka, Ken Osaka

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Correlates of COVID-19 conspiracy theory beliefs in Japan: A cross-sectional study of 28,175 residents. by Yukihiro Sato, Ichiro Kawachi, Yasuaki Saijo, Eiji Yoshioka, Ken Osaka, Takahiro Tabuchi

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Compliance Trajectory and Patterns of COVID-19 Preventive Measures, Japan, 2020–2022 by Taro Kusama, Kenji Takeuchi, Yudai Tamada, Sakura Kiuchi, Ken Osaka, Takahiro Tabuchi

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Correlates of COVID-19 conspiracy theory beliefs in Japan: A cross-sectional study of 28,175 residents by Yukihiro Sato, Ichiro Kawachi, Yasuaki Saijo, Eiji Yoshioka, Ken Osaka, Takahiro Tabuchi

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Changes in the Utilization of Outpatient and Visiting Dental Care and Per-attendance Care Cost by Age Groups During COVID-19 Pandemic Waves in Japan: A Time-series Analysis From th... by Taro Kusama, Yudai Tamada, Megumi Maeda, Fumiko Murata, Ken Osaka, Haruhisa Fukuda, Kenji Takeuchi

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Bivalent mRNA vaccine effectiveness against COVID-19 among older adults in Japan: a test-negative study from the VENUS study by Yudai Tamada, Kenji Takeuchi, Taro Kusama, Megumi Maeda, Fumiko Murata, Ken Osaka, Haruhisa Fukuda

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Social Inequalities in Secondhand Smoke Among Japanese Non-smokers: A Cross-Sectional Study by Yusuke Matsuyama, Jun Aida, Toru Tsuboya, Shihoko Koyama, Yukihiro Sato, Atsushi Hozawa, Ken Osaka

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Does online communication mitigate the association between a decrease in face-to-face communication and laughter during the COVID-19 pandemic? A cross-sectional study from JACSIS s... by Sakura Kiuchi, Kenji Takeuchi, Taro Kusama, Upul Cooray, Yudai Tamada, Ken Osaka, Takahiro Tabuchi

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Socioeconomic inequalities in low back pain among older people: the JAGES cross-sectional study by Takaaki Ikeda, Kemmyo Sugiyama, Jun Aida, Toru Tsuboya, Nanae Watabiki, Katsunori Kondo, Ken Osaka

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Validity of claims-based definition of number of remaining teeth in Japan: Results from the Longevity Improvement and Fair Evidence Study. by Yudai Tamada, Taro Kusama, Sachiko Ono, Megumi Maeda, Fumiko Murata, Ken Osaka, Haruhisa Fukuda, Kenji Takeuchi

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Is Social Network Diversity Associated with Tooth Loss among Older Japanese Adults? by Jun Aida, Katsunori Kondo, Tatsuo Yamamoto, Masashige Saito, Kanade Ito, Kayo Suzuki, Ken Osaka, Ichiro Kawachi

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Heated Tobacco Products Have Reached Younger or More Affluent People in Japan by Ayaka Igarashi, Jun Aida, Taro Kusama, Takahiro Tabuchi, Toru Tsuboya, Kemmyo Sugiyama, Takafumi Yamamoto, Ken Osaka

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Effects of the different periods and magnitude of COVID‐19 infection spread on cancer operations: Interrupted time series analysis of medical claims data by Natsue Kashiwagura, Fuyuhiko Motoi, Upul Cooray, Ryu Fukase, Yukiko Katayama, Ken Osaka, Masayasu Murakami, Takaaki Ikeda

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Validity of claims-based definition of number of remaining teeth in Japan: Results from the Longevity Improvement and Fair Evidence Study by Yudai Tamada, Taro Kusama, Sachiko Ono, Megumi Maeda, Fumiko Murata, Ken Osaka, Haruhisa Fukuda, Kenji Takeuchi

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Co-Payments and Inequality in Gingival Bleeding and Dental Visits by Noriko Nakazawa, Taro Kusama, Kenji Takeuchi, Sakura Kiuchi, Tatsuo Yamamoto, Katsunori Kondo, Ken Osaka, Jun Aida

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Association Between Social Isolation and Smoking in Japan and England by Takaaki Ikeda, Noriko Cable, Masashige Saito, Shihoko Koyama, Taishi Tsuji, Taiji Noguchi, Katsunori Kondo, Ken Osaka, Jun Aida

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Association between social isolation and depression onset among older adults: a cross-national longitudinal study in England and Japan by Masashige Saito, Jun Aida, Katsunori Kondo, Taiji Noguchi, Ken Osaka, Noriko Cable, Taishi Tsuji, Shihoko Koyama, Takaaki Ikeda

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