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Self-harm and suicide attempts among adolescents and young adults in Japan: a registry-based analysis of the Japan Registry of Self-Harm and Suicide Attempts (JA-RSA)

خودآسیبی و اقدام به خودکشی در نوجوانان و جوانان در ژاپن: تحلیل مبتنی بر ثبت از سامانه ثبت خودآسیبی و اقدام به خودکشی ژاپن (JA-RSA)

Yasuaki Maeda, Chiaki Toida, Momoko Uchida, Mayo Akita, Hiroshi Kamijo, Hiroshi Imamura

Child and Adolescent Psychiatry and Mental Health 2026
https://doi.org/10.1186/s13034-026-01191-5

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چکیده

Abstract Aim Although overall suicide mortality in Japan has declined, rates among young people have increased. Understanding the characteristics of self-harm and suicide attempts among adolescents and young adults is important for prevention. This study analyzed data from the Japan Registry of Self-Harm and Suicide Attempts (JA-RSA), a nationwide registry in Japan. Methods We retrospectively analyzed 241 adolescents and young adults from elementary school through college, selected from 1,987 cases registered across 44 critical care medical centers between December 2022 and December 2023. Demographic characteristics, methods of self-harm, psychiatric history, and clinical outcomes were evaluated. Comparisons were made between individuals who attempted suicide and those who died by suicide. Results Adolescents in high school (n = 80) and young adults in college (n = 93) accounted for 71.8% of cases. Females comprised 71.3%, and the median age was 17 years. Overdose was the most common method (70.1%), mainly involving over-the-counter medications. Nearly half (46.5%) had a history of prior attempts. Individuals who died by suicide were more likely to be male (p = 0.038) and to use highly lethal methods such as hanging or jumping (p < 0.001), whereas overdose was more common among those who survived (p < 0.001). They also had lower rates of recent psychiatric consultation and documented prior attempts (p = 0.001). Conclusions Self-harm among adolescents and young adults in Japan is characterized by a predominance of female adolescents and medication overdose. Preventive strategies may require follow-up care, environmental safety measures, and school- and community-based mental health interventions, supported by continued national surveillance through JA-RSA.

چکیده به فارسی

چکیده هدف: اگرچه میزان کلی مرگ‌ومیر ناشی از خودکشی در ژاپن کاهش یافته است، اما نرخ آن در میان جوانان افزایش یافته است. درک ویژگی‌های خودآسیبی و اقدام به خودکشی در میان نوجوانان و جوانان برای پیشگیری اهمیت دارد. این مطالعه داده‌های سامانه ثبت خودآسیبی و اقدام به خودکشی ژاپن (JA-RSA)، یک سامانه ثبت کشوری در ژاپن، را تحلیل کرده است. روش‌ها: ما به‌صورت گذشته‌نگر ۲۴۱ نوجوان و جوان از مقطع ابتدایی تا دانشگاه را که از میان ۱۹۸۷ مورد ثبت‌شده در ۴۴ مرکز مراقبت‌های ویژه بین دسامبر ۲۰۲۲ تا دسامبر ۲۰۲۳ انتخاب شده بودند، تحلیل کردیم. ویژگی‌های جمعیت‌شناختی، روش‌های خودآسیبی، سابقه روان‌پزشکی و پیامدهای بالینی ارزیابی شدند. مقایسه‌هایی بین افرادی که اقدام به خودکشی کرده بودند و افرادی که بر اثر خودکشی فوت کرده بودند، انجام شد. یافته‌ها: نوجوانان دبیرستانی (n = 80) و جوانان دانشگاهی (n = 93) مجموعاً ۷۱/۸٪ موارد را تشکیل می‌دادند. ۷۱/۳٪ موارد را زنان تشکیل می‌دادند و میانه سنی ۱۷ سال بود. مصرف بیش‌ازحد دارو شایع‌ترین روش (۷۰/۱٪) بود که عمدتاً شامل داروهای بدون نسخه می‌شد. نزدیک به نیمی (۴۶/۵٪) سابقه تلاش قبلی داشتند. افرادی که بر اثر خودکشی فوت کرده بودند، بیشتر مرد بودند (p = 0.038) و از روش‌های با کشندگی بالا مانند حلق‌آویز کردن یا پریدن استفاده کرده بودند (p < 0.001)، در حالی که مصرف بیش‌ازحد دارو در میان افرادی که زنده مانده بودند شایع‌تر بود (p < 0.001). همچنین این افراد نرخ پایین‌تری از مشاوره روان‌پزشکی اخیر و سابقه ثبت‌شده تلاش قبلی داشتند (p = 0.001). نتیجه‌گیری: خودآسیبی در میان نوجوانان و جوانان در ژاپن با غلبه نوجوانان زن و مصرف بیش‌ازحد دارو مشخص می‌شود. راهبردهای پیشگیرانه ممکن است نیازمند مراقبت پیگیر، اقدامات ایمنی محیطی و مداخلات سلامت روان مبتنی بر مدرسه و جامعه، با حمایت نظارت ملی مستمر از طریق JA-RSA باشد.

ترجمه‌ی خودکار برای آشنایی سریع؛ برای نقل و ارجاع، متن اصلی ملاک است.

موضوع‌ها و کلیدواژه‌ها

خودکشیروان‌پزشکیسلامت روانSuicide attemptYoung adultmedication overdoseprevious suicide attemptsself-harmsuicide methodssuicide mortalityنوجوانان

ارجاع

Maeda, Y., Toida, C., Uchida, M., Akita, M., Kamijo, H., & Imamura, H. (2026). Self-harm and suicide attempts among adolescents and young adults in Japan: a registry-based analysis of the Japan Registry of Self-Harm and Suicide Attempts (JA-RSA). Child and Adolescent Psychiatry and Mental Health. https://doi.org/10.1186/s13034-026-01191-5

(Maeda et al., 2026)

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چکیده

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چکیده

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