Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional study

Abstract Background Although there is much literature on adolescent suicide, combined effects of depression and anorexia nervosa on suicide were rarely investigated. The aims of this study are to examine the association between anorexia nervosa and suicidal thoughts and explore the interaction betwe...

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Main Authors: Qiguo Lian, Xiayun Zuo, Yanyan Mao, Shan Luo, Shucheng Zhang, Xiaowen Tu, Chaohua Lou, Weijin Zhou
Format: Article
Language:English
Published: Komiyama Printing Co. Ltd 2017-04-01
Series:Environmental Health and Preventive Medicine
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12199-017-0639-2
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author Qiguo Lian
Xiayun Zuo
Yanyan Mao
Shan Luo
Shucheng Zhang
Xiaowen Tu
Chaohua Lou
Weijin Zhou
author_facet Qiguo Lian
Xiayun Zuo
Yanyan Mao
Shan Luo
Shucheng Zhang
Xiaowen Tu
Chaohua Lou
Weijin Zhou
author_sort Qiguo Lian
collection DOAJ
description Abstract Background Although there is much literature on adolescent suicide, combined effects of depression and anorexia nervosa on suicide were rarely investigated. The aims of this study are to examine the association between anorexia nervosa and suicidal thoughts and explore the interaction between anorexia nervosa and depression. Methods This is a cross-sectional study, in the study, a sample of 8,746 Chinese adolescents was selected by multistage stratified method in 2012/2013 from 20 middle schools in 7 provinces across China Mainland. Multilevel logistic model was introduced to explore association between anorexia nervosa and suicidal thoughts. And subgroup analyses were conducted on participants with or without depression. Results Multilevel logistic model revealed that demographic variables, including academic achievement, were not the predictive risk factors of suicidal thoughts. Those who suffered from worse severity of perceived anorexia nervosa were at increased risk of thinking about suicide. The interaction between depression and anorexia nervosa was significant, however, subgroup analyses showed that the associations were significant only among the adolescents without depression. Conclusions Our results indicate that all levels of anorexia nervosa serve as predictable indicators of suicidal thoughts in Chinese adolescents, and the effects of anorexia nervosa are modified by depression status.
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spelling doaj.art-8696b436ee544827a0e9b6e098f66be92022-12-22T02:08:18ZengKomiyama Printing Co. LtdEnvironmental Health and Preventive Medicine1342-078X1347-47152017-04-012211710.1186/s12199-017-0639-2Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional studyQiguo Lian0Xiayun Zuo1Yanyan Mao2Shan Luo3Shucheng Zhang4Xiaowen Tu5Chaohua Lou6Weijin Zhou7School of Public Health, Fudan UniversityKey Lab. of Reproduction Regulation of NPFPC, SIPPR, IRD, Fudan UniversitySchool of Public Health, Fudan UniversityWest China Second University Hospital, Sichuan UniversityNational Research Institute for Family PlanningKey Lab. of Reproduction Regulation of NPFPC, SIPPR, IRD, Fudan UniversityKey Lab. of Reproduction Regulation of NPFPC, SIPPR, IRD, Fudan UniversityKey Lab. of Reproduction Regulation of NPFPC, SIPPR, IRD, Fudan UniversityAbstract Background Although there is much literature on adolescent suicide, combined effects of depression and anorexia nervosa on suicide were rarely investigated. The aims of this study are to examine the association between anorexia nervosa and suicidal thoughts and explore the interaction between anorexia nervosa and depression. Methods This is a cross-sectional study, in the study, a sample of 8,746 Chinese adolescents was selected by multistage stratified method in 2012/2013 from 20 middle schools in 7 provinces across China Mainland. Multilevel logistic model was introduced to explore association between anorexia nervosa and suicidal thoughts. And subgroup analyses were conducted on participants with or without depression. Results Multilevel logistic model revealed that demographic variables, including academic achievement, were not the predictive risk factors of suicidal thoughts. Those who suffered from worse severity of perceived anorexia nervosa were at increased risk of thinking about suicide. The interaction between depression and anorexia nervosa was significant, however, subgroup analyses showed that the associations were significant only among the adolescents without depression. Conclusions Our results indicate that all levels of anorexia nervosa serve as predictable indicators of suicidal thoughts in Chinese adolescents, and the effects of anorexia nervosa are modified by depression status.http://link.springer.com/article/10.1186/s12199-017-0639-2Suicidal thoughtsDepressionAnorexia nervosaAdolescentsChina
spellingShingle Qiguo Lian
Xiayun Zuo
Yanyan Mao
Shan Luo
Shucheng Zhang
Xiaowen Tu
Chaohua Lou
Weijin Zhou
Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional study
Environmental Health and Preventive Medicine
Suicidal thoughts
Depression
Anorexia nervosa
Adolescents
China
title Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional study
title_full Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional study
title_fullStr Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional study
title_full_unstemmed Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional study
title_short Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional study
title_sort anorexia nervosa depression and suicidal thoughts among chinese adolescents a national school based cross sectional study
topic Suicidal thoughts
Depression
Anorexia nervosa
Adolescents
China
url http://link.springer.com/article/10.1186/s12199-017-0639-2
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