Incidence and outcomes of emergency self-harm among adolescents: A descriptive epidemiological study in Osaka City, Japan

Matsuyama, Tasuku; Kitamura, Tetsuhisa; Kiyohara, Kosuke et al.

BMJ Open, 2016, 6(7), e011419

アクセス数:930件（2025-10-24 16:16 集計）

固定URL: https://hdl.handle.net/11094/78404

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タイトル
Incidence and outcomes of emergency self-harm among adolescents: A descriptive epidemiological study in Osaka City, Japan
著者
NRID
1000050829025 1000050829025
著者名
Matsuyama, Tasuku
NRID
1000030639810 1000030639810
ORCID
0000-0003-0107-0580 0000-0003-0107-0580
researchmap permalink
Kitamura_T Kitamura_T
Scopus Author ID
22234282700 22234282700
著者名
Kitamura, Tetsuhisa
NRID
1000080581834 1000080581834
著者名
Kiyohara, Kosuke
著者名
Hayashida, Sumito
NRID
1000010411349 1000010411349
著者名
Nitta, Masahiko
NRID
1000010252230 1000010252230
著者名
Kawamura, Takashi
NRID
1000060437291 1000060437291
著者名
Iwami, Taku
NRID
1000010596240 1000010596240
著者名
Ohta, Bon
キーワード等
Adolescent
Emergency-medical-service personnel
EPIDEMIOLOGY
Self-harm
内容
Matsuyama T, Kitamura T, Kiyohara K, et al. Incidence and outcomes of emergency self-harm among adolescents: a descriptive epidemiological study in Osaka City, Japan. BMJ Open 2016;6:e011419. doi: 10.1136/bmjopen-2016-011419
抄録
Objectives To evaluate the incidence and outcomes of self-harm from ambulance records. Design A retrospective, observational study. Setting Osaka City, Japan. Participants A total of 365 adolescents aged 10-19 years with emergency self-harm such as poisoning by drugs or gas, cutting skin, jumping from heights, hanging and drowning and treated by emergency medical service personnel from January 2010 through December 2012. Primary outcome measurements Incidence per 100 000 persons and outcome at the scene or hospital arrival by age and gender. Poisson regression models for incidence evaluation were used; reporting relative risks (RRs) and their 95% CIs. Results During the study period, a total of 425 self-harm events were documented in 365 adolescents. The incidence of self-harm increased significantly between the ages of 11 and 19 years, from 6.3 to 81.0 among boys and the ages of 12 and 19 years from 6.3 to 228.3 among girls, respectively (both p<0.001). Although there was no incidence difference between girls and boys in the group aged 11-14 years (RR 1.20; 95% CI 0.59 to 2.47), the incidence was significantly higher among girls than boys in the group aged 15-19 years (RR 4.18; 95% CI 3.20 to 5.45). The overall proportion of death by self-harm was 4.9%. The proportion of hospital admission and death by self-harm was higher among boys than among girls (38.6% vs 25.2%, p=0.016 and 14.8% vs 2.4%, p<0.001). Conclusions The incidence of emergency treatment for self-harm by adolescents increased with age and our findings also demonstrated the gender paradox. It would be necessary to establish active, gender-specific and comprehensive prevention strategies for adolescent self-harm, based on our findings showing the age and gender differences of self-harm among adolescents.
出版者
BMJ Publishing Group
収録物名
BMJ Open
巻(号)
6(7)
ページ
e011419
刊行年月
2016-07-05
言語
英語
ハンドルURL
https://hdl.handle.net/11094/78404
eISSN
20446055
関連情報 (isIdenticalTo)
DOI (出版社版)
https://doi.org/10.1136/bmjopen-2016-011419
PMID
27381208
アクセス権
open access
権利情報
© 2016 BMJ Publishing Group Ltd. This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
出版タイプ
Version of Record
カテゴリ
学術雑誌論文 Journal Article