Exploring factors associated with increased suicides during the COVID‐19 pandemic in Japan: A study using data from postmortem examinations conducted in an urban area
Katsumata, Yotaro, Okano, Toshiaki, Takeshima, Tadashi, Igarashi, Yuka
Published in PCN reports (01.09.2024)
Published in PCN reports (01.09.2024)
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Journal Article
Mental disorders and suicide in Japan: A nation-wide psychological autopsy case–control study
Hirokawa, Seiko, Kawakami, Norito, Matsumoto, Toshihiko, Inagaki, Akiko, Eguchi, Nozomi, Tsuchiya, Masao, Katsumata, Yotaro, Akazawa, Masato, Kameyama, Akiko, Tachimori, Hisateru, Takeshima, Tadashi
Published in Journal of affective disorders (01.10.2012)
Published in Journal of affective disorders (01.10.2012)
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Journal Article
Electronic media use and suicidal ideation in Japanese adolescents
Katsumata, Yotaro, Matsumoto, Toshihiko, Kitani, Masahiko, Takeshima, Tadashi
Published in Psychiatry and clinical neurosciences (01.12.2008)
Published in Psychiatry and clinical neurosciences (01.12.2008)
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Journal Article
Exploring suicide risk factors among Japanese individuals: the largest case-control psychological autopsy study in Japan
Kodaka, Manami, Matsumoto, Toshihiko, Takai, Michiko, Yamauchi, Takashi, Kawamoto, Shizuka, Kikuchi, Minako, Tachimori, Hisateru, Katsumata, Yotaro, Shirakawa, Norihito, Takeshima, Tadashi
Published in Asian journal of psychiatry (01.06.2017)
Published in Asian journal of psychiatry (01.06.2017)
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Journal Article
Prevalences of lifetime histories of self‐cutting and suicidal ideation in Japanese adolescents: Differences by age
Matsumoto, Toshihiko, Imamura, Fumi, Chiba, Yasuhiko, Katsumata, Yotaro, Kitani, Masahiko, Takeshima, Tadashi
Published in Psychiatry and clinical neurosciences (01.06.2008)
Published in Psychiatry and clinical neurosciences (01.06.2008)
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Journal Article
Psychosocial and psychiatric aspects of suicide completers with unmanageable debt: A psychological autopsy study
Kameyama, Akiko, Matsumoto, Toshihiko, Katsumata, Yotaro, Akazawa, Masato, Kitani, Masahiko, Hirokawa, Seiko, Takeshima, Tadashi
Published in Psychiatry and clinical neurosciences (01.10.2011)
Published in Psychiatry and clinical neurosciences (01.10.2011)
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Journal Article
Psychosocial and psychiatric characteristics of suicide completers with psychiatric treatment before death: A psychological autopsy study of 76 cases
Hirokawa, Seiko, Matsumoto, Toshihiko, Katsumata, Yotaro, Kitani, Masahiko, Akazawa, Masato, Takahashi, Yoshitomo, Kawakami, Norito, Watanabe, Naoki, Hirayama, Masami, Kameyama, Akiko, Takeshima, Tadashi
Published in Psychiatry and clinical neurosciences (01.06.2012)
Published in Psychiatry and clinical neurosciences (01.06.2012)
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Journal Article
Effect of a suicide prevention program in potentially high-risk adolescents defined by behavioral inhibition and behavioral activation systems
Harada, Chika, Hatanaka, Miho, Kawano, Kenji, Katsumata, Yotaro, Kawashima, Daisuke, Shojima, Sachiko, Shiraga, Keisuke, Kawamoto, Shizuka
Published in The Japanese Journal of Psychology (2019)
Published in The Japanese Journal of Psychology (2019)
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Journal Article
Effect of a suicide prevention program in potentially high-risk adolescents defined by behavioral inhibition and behavioral activation systems
Harada, Chika, Hatanaka, Miho, Kawano, Kenji, Katsumata, Yotaro, Kawashima, Daisuke, Shojima, Sachiko, Shiraga, Keisuke, Kawamoto, Shizuka
Published in The Japanese Journal of Psychology (2019)
Published in The Japanese Journal of Psychology (2019)
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Journal Article
School problems and suicide in Japanese young people
Katsumata, Yotaro, Matsumoto, Toshihiko, Kitani, Masahiko, Akazawa, Masato, Hirokawa, Seiko, Takeshima, Tadashi
Published in Psychiatry and clinical neurosciences (01.04.2010)
Published in Psychiatry and clinical neurosciences (01.04.2010)
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Journal Article
Psychosocial characteristic of suicide completers with psychiatric treatment before death: A psychological autopsy study of 76 cases
Hirokawa, Seiko, Matsumoto, Toshihiko, Katsumata, Yotaro, Kitani, Masahiko, Akazawa, Masato, Kameyama, Akiko, Takahashi, Yoshitomo, Kawakami, Norito, Watanabe, Naoki, Hirayama, Masami, Takeshima, Tadashi
Published in Psychiatria et neurologia Japonica (2013)
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Published in Psychiatria et neurologia Japonica (2013)
Journal Article
Recommendation for revision of the General Principles of Suicide Prevention Policy
Takeshima, Tadashi, Inagaki, Masatoshi, Takahashi, Yoshitomo, Kawanishi, Chiaki, Saito, Toshikazu, Saito, Yukio, Motohashi, Yutaka, Yanaga, Yuriko, Matsumoto, Toshihiko, Kawano, Kenji, Katsumata, Yotaro
Published in Psychiatria et neurologia Japonica (2012)
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Published in Psychiatria et neurologia Japonica (2012)
Journal Article
Development of a suicide prevention education program for university students: a single-arm pilot study
Katsumata, Yotaro, Narita, Taichi, Nakagawa, Takuya
Published in Asian journal of psychiatry (01.12.2017)
Published in Asian journal of psychiatry (01.12.2017)
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Journal Article
Psychosocial features of suicide cases with alcohol problem: a psychological autopsy study
Akazawa, Masato, Matsumoto, Toshihiko, Katsumata, Yotaro, Kitani, Masahiko, Hirokawa, Seiko, Takahashi, Yoshitomo, Hirayama, Masami, Kameyama, Akiko, Takeshima, Tadashi
Published in Nihon Arukoru Yakubutsu Igakkai zasshi = Japanese journal of alcohol studies & drug dependence (01.04.2010)
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Published in Nihon Arukoru Yakubutsu Igakkai zasshi = Japanese journal of alcohol studies & drug dependence (01.04.2010)
Journal Article
Psychosocial classification of suicide completers by employment situation: A psychological autopsy study
AKAZAWA, Masato, MATSUMOTO, Toshihiko, KATSUMATA, Yotaro, KITANI, Masahiko, HIROKAWA, Seiko, TAKAHASHI, Yoshitomo, KAWAKAMI, Norito, WATANABE, Naoki, HIRAYAMA, Masami, KAMEYAMA, Akiko, YOKOYAMA, Yukari, TAKESHIMA, Tadashi
Published in Nihon Koshu Eisei Zasshi(JAPANESE JOURNAL OF PUBLIC HEALTH) (01.07.2010)
Published in Nihon Koshu Eisei Zasshi(JAPANESE JOURNAL OF PUBLIC HEALTH) (01.07.2010)
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Journal Article
Suicide risk among individuals with sleep disturbances in Japan: a case–control psychological autopsy study
Kodaka, Manami, Matsumoto, Toshihiko, Katsumata, Yotaro, Akazawa, Masato, Tachimori, Hisateru, Kawakami, Norito, Eguchi, Nozomi, Shirakawa, Norihito, Takeshima, Tadashi
Published in Sleep medicine (01.04.2014)
Published in Sleep medicine (01.04.2014)
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Journal Article