Adolescent psychotic experiences before and during the COVID-19 pandemic: a prospective cohort study / Satoshi YAMAGUCHI ; Mariko HOSOZAWA ; Syudo YAMASAKI ; Shuntaro ANDO ; Mitsuhiro MIYASHITA ; Kaori ENDO ; Daniel STANYON ; Satoshi USAMI ; Sho KANATA ; Riki TANAKA ; Rin MINAMI ; Mariko HIRAIWA-HASEGAWA ; Kiyoto KASAI ; Atsushi NISHIDA in Journal of Child Psychology and Psychiatry, 65-6 (June 2024)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 65-6 (June 2024) . - p.776-784 Titre : Adolescent psychotic experiences before and during the COVID-19 pandemic: a prospective cohort study Type de document : texte imprimé Auteurs : Satoshi YAMAGUCHI, Auteur ; Mariko HOSOZAWA, Auteur ; Syudo YAMASAKI, Auteur ; Shuntaro ANDO, Auteur ; Mitsuhiro MIYASHITA, Auteur ; Kaori ENDO, Auteur ; Daniel STANYON, Auteur ; Satoshi USAMI, Auteur ; Sho KANATA, Auteur ; Riki TANAKA, Auteur ; Rin MINAMI, Auteur ; Mariko HIRAIWA-HASEGAWA, Auteur ; Kiyoto KASAI, Auteur ; Atsushi NISHIDA, Auteur Année de publication : 2024 Article en page(s) : p.776-784 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Background Understanding the etiology of psychosis is essential to the development of preventive interventions. The COVID-19 pandemic provides a rare natural experiment that can expand our understanding of the role of social factors in the trajectories and etiology of psychosis across adolescence, particularly in Tokyo where the prevalence of actual COVID-19 infection remained low. We hypothesized that the likelihood of self-reporting psychotic experiences (PEs) would increase following the onset of the COVID-19 pandemic. Methods The Tokyo Teen Cohort (TTC) is a prospective cohort study of adolescents in the general population of the Tokyo metropolitan area, followed from age 10 to 16 years. We used multi-level linear regression models to test the associations between the phase of the COVID-19 pandemic and self-reported PEs. Results Among 1935 adolescents included in the analysis, a rapid increase in PEs occurred at the onset of the COVID-19 pandemic, following approximately 6 years of steady decline across prior waves. This association was more pronounced for boys compared to girls. This increase became more pronounced as the pandemic moved into later phases, defined based on contemporaneous sociopolitical changes in Tokyo (i.e. changes to school closure, social distancing guidelines, and the state of emergency status). Conclusions The steady decline in PEs across adolescence was halted and reversed concurrent with the COVID-19 pandemic onset, despite very low rates of COVID-19 infection. This implicates COVID-19 related socioenvironmental factors as contributory etiological factors in the development of PEs in this adolescent cohort. En ligne : https://doi.org/10.1111/jcpp.13907 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=528 [article] Adolescent psychotic experiences before and during the COVID-19 pandemic: a prospective cohort study [texte imprimé] / Satoshi YAMAGUCHI, Auteur ; Mariko HOSOZAWA, Auteur ; Syudo YAMASAKI, Auteur ; Shuntaro ANDO, Auteur ; Mitsuhiro MIYASHITA, Auteur ; Kaori ENDO, Auteur ; Daniel STANYON, Auteur ; Satoshi USAMI, Auteur ; Sho KANATA, Auteur ; Riki TANAKA, Auteur ; Rin MINAMI, Auteur ; Mariko HIRAIWA-HASEGAWA, Auteur ; Kiyoto KASAI, Auteur ; Atsushi NISHIDA, Auteur . - 2024 . - p.776-784. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 65-6 (June 2024) . - p.776-784 Index. décimale : PER Périodiques Résumé : Background Understanding the etiology of psychosis is essential to the development of preventive interventions. The COVID-19 pandemic provides a rare natural experiment that can expand our understanding of the role of social factors in the trajectories and etiology of psychosis across adolescence, particularly in Tokyo where the prevalence of actual COVID-19 infection remained low. We hypothesized that the likelihood of self-reporting psychotic experiences (PEs) would increase following the onset of the COVID-19 pandemic. Methods The Tokyo Teen Cohort (TTC) is a prospective cohort study of adolescents in the general population of the Tokyo metropolitan area, followed from age 10 to 16 years. We used multi-level linear regression models to test the associations between the phase of the COVID-19 pandemic and self-reported PEs. Results Among 1935 adolescents included in the analysis, a rapid increase in PEs occurred at the onset of the COVID-19 pandemic, following approximately 6 years of steady decline across prior waves. This association was more pronounced for boys compared to girls. This increase became more pronounced as the pandemic moved into later phases, defined based on contemporaneous sociopolitical changes in Tokyo (i.e. changes to school closure, social distancing guidelines, and the state of emergency status). Conclusions The steady decline in PEs across adolescence was halted and reversed concurrent with the COVID-19 pandemic onset, despite very low rates of COVID-19 infection. This implicates COVID-19 related socioenvironmental factors as contributory etiological factors in the development of PEs in this adolescent cohort. En ligne : https://doi.org/10.1111/jcpp.13907 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=528

Loneliness patterns across time and subsequent risk of psychotic experiences, depression, anxiety, and diminished well-being in adolescents / Zui C. NARITA in Journal of Child Psychology and Psychiatry, 67-7 (July 2026)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 67-7 (July 2026) . - p.1095-1105 Titre : Loneliness patterns across time and subsequent risk of psychotic experiences, depression, anxiety, and diminished well-being in adolescents Type de document : texte imprimé Auteurs : Zui C. NARITA, Auteur ; Jordan DEVYLDER, Auteur ; Gemma KNOWLES, Auteur ; Syudo YAMASAKI, Auteur ; Mitsuhiro MIYASHITA, Auteur ; Daniel STANYON, Auteur ; Satoshi YAMAGUCHI, Auteur ; Tomohiro SHINOZAKI, Auteur ; Ryo SASAKI, Auteur ; Rui ZHOU, Auteur ; Shuntaro ANDO, Auteur ; Craig MORGAN, Auteur ; Paola DAZZAN, Auteur ; Toshiaki A. FURUKAWA, Auteur ; Kiyoto KASAI, Auteur ; Ian KELLEHER, Auteur ; Atsushi NISHIDA, Auteur Article en page(s) : p.1095-1105 Langues : Anglais (eng) Mots-clés : Major depressive disorder (MDD)  schizophrenia  psychosis  anxiety  adolescence Index. décimale : PER Périodiques Résumé : Background Evidence on the association between loneliness and psychotic experiences in adolescents remains limited. Moreover, loneliness has typically been assessed at a single time point, which fails to capture its dynamic nature. We hypothesized that persistent loneliness, assessed across repeated measures, would be associated with psychotic experiences and other mental health problems. Methods Using longitudinal data from 3,171 participants in the Tokyo Teen Cohort, we applied the g-formula. We analyzed how loneliness patterns at ages 12 and 14 were associated with psychotic experiences, depression, anxiety, and diminished well-being at age 16, accounting for time-fixed and time-varying confounders. Missing data were handled using multiple imputation by chained equations. Results Persistent loneliness was associated with increased risk and greater severity of psychotic experiences (RD 7.1%, 95% CI: 0.8?14.3; RR 2.44, 95% CI: 1.16?4.11; ? 0.28, 95% CI: 0.10?0.48). Incident loneliness at age 14 showed similar associations. No association was found for adolescents whose loneliness had remitted by age 14 (RD ?1.3%, 95% CI: ?3.6 to 1.2; RR 0.73, 95% CI: 0.31?1.26; ? 0.01, 95% CI: ?0.04 to 0.08). Sensitivity analyses using marginal structural models yielded results that were largely unchanged. Findings were generally similar for other mental health problems. Associations were consistent across genders, although the association with well-being appeared particularly important for girls. Conclusions The dynamics of loneliness are associated with a wide range of mental health problems in adolescents. The risk may not be permanent and could be mitigated if loneliness remits. Further research examining interventions that target loneliness is warranted. En ligne : https://doi.org/10.1111/jcpp.70114 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=588 [article] Loneliness patterns across time and subsequent risk of psychotic experiences, depression, anxiety, and diminished well-being in adolescents [texte imprimé] / Zui C. NARITA, Auteur ; Jordan DEVYLDER, Auteur ; Gemma KNOWLES, Auteur ; Syudo YAMASAKI, Auteur ; Mitsuhiro MIYASHITA, Auteur ; Daniel STANYON, Auteur ; Satoshi YAMAGUCHI, Auteur ; Tomohiro SHINOZAKI, Auteur ; Ryo SASAKI, Auteur ; Rui ZHOU, Auteur ; Shuntaro ANDO, Auteur ; Craig MORGAN, Auteur ; Paola DAZZAN, Auteur ; Toshiaki A. FURUKAWA, Auteur ; Kiyoto KASAI, Auteur ; Ian KELLEHER, Auteur ; Atsushi NISHIDA, Auteur . - p.1095-1105. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 67-7 (July 2026) . - p.1095-1105 Mots-clés : Major depressive disorder (MDD)  schizophrenia  psychosis  anxiety  adolescence Index. décimale : PER Périodiques Résumé : Background Evidence on the association between loneliness and psychotic experiences in adolescents remains limited. Moreover, loneliness has typically been assessed at a single time point, which fails to capture its dynamic nature. We hypothesized that persistent loneliness, assessed across repeated measures, would be associated with psychotic experiences and other mental health problems. Methods Using longitudinal data from 3,171 participants in the Tokyo Teen Cohort, we applied the g-formula. We analyzed how loneliness patterns at ages 12 and 14 were associated with psychotic experiences, depression, anxiety, and diminished well-being at age 16, accounting for time-fixed and time-varying confounders. Missing data were handled using multiple imputation by chained equations. Results Persistent loneliness was associated with increased risk and greater severity of psychotic experiences (RD 7.1%, 95% CI: 0.8?14.3; RR 2.44, 95% CI: 1.16?4.11; ? 0.28, 95% CI: 0.10?0.48). Incident loneliness at age 14 showed similar associations. No association was found for adolescents whose loneliness had remitted by age 14 (RD ?1.3%, 95% CI: ?3.6 to 1.2; RR 0.73, 95% CI: 0.31?1.26; ? 0.01, 95% CI: ?0.04 to 0.08). Sensitivity analyses using marginal structural models yielded results that were largely unchanged. Findings were generally similar for other mental health problems. Associations were consistent across genders, although the association with well-being appeared particularly important for girls. Conclusions The dynamics of loneliness are associated with a wide range of mental health problems in adolescents. The risk may not be permanent and could be mitigated if loneliness remits. Further research examining interventions that target loneliness is warranted. En ligne : https://doi.org/10.1111/jcpp.70114 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=588

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