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Existing studies link larger sibling counts to higher adolescent depressive symptoms, but rely on scale total scores, ignoring that symptoms vary in impact. This approach masks specific symptom dimensions, hindering identification of high\u2010risk domains. To address this, we compared depressive symptom networks in 1179 Chinese adolescents (no siblings vs. \u2265\u20091 sibling) using the 20\u2010item Center for Epidemiological Studies Depression Scale through network analysis. Core findings showed unhappiness and sadness were central symptoms in both groups, but key differences emerged: adolescents with no siblings emphasised hopelessness and feeling disliked, while those with siblings prioritised depressed mood and perceived life failure. Despite similar network structures, sibship size influenced symptomatic profiles, suggesting interventions for clinical depression in Chinese adolescents may need tailoring based on the number of siblings to target unique high\u2010risk symptoms.<\/jats:p>","DOI":"10.1002\/ijop.70164","type":"journal-article","created":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T11:41:12Z","timestamp":1768218072000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Influential Depressive Symptoms in Chinese Adolescents: A Comparison of No Siblings Versus With Siblings"],"prefix":"10.1002","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-9922-8145","authenticated-orcid":false,"given":"Panpan","family":"Zhang","sequence":"first","affiliation":[{"name":"Key Laboratory of Brain, Cognition and Education Sciences (South China Normal University), Ministry of Education; School of Psychology South China Normal University  Guangzhou China"},{"name":"Center for Studies of Psychological Application South China Normal University  Guangzhou China"},{"name":"Guangdong Key Laboratory of Mental Health and Cognitive Science South China Normal University  Guangzhou China"},{"name":"Philosophy and Social Science Laboratory of Reading and Development in Children and Adolescents (South China Normal University), Ministry of Education  Guangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xu","family":"Ma","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Mental Disorders, National Clinical Research Centre for Mental Disorders, Beijing Anding Hospital Capital Medical University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xingyu","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Psychology Henan University  Kaifeng China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shenda","family":"Zhang","sequence":"additional","affiliation":[{"name":"Zhengzhou University of Science and Technology  Zhengzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2091-2296","authenticated-orcid":false,"given":"Xifu","family":"Zheng","sequence":"additional","affiliation":[{"name":"Key Laboratory of Brain, Cognition and Education Sciences (South China Normal University), Ministry of Education; School of Psychology South China Normal University  Guangzhou China"},{"name":"Center for Studies of Psychological Application South China Normal University  Guangzhou China"},{"name":"Guangdong Key Laboratory of Mental Health and Cognitive Science South China Normal University  Guangzhou China"},{"name":"Philosophy and Social Science Laboratory of Reading and Development in Children and Adolescents (South China Normal University), Ministry of Education  Guangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,1,12]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"crossref","unstructured":"Bao H.\u2010W.\u2010S.2022.\u201cbruceR: Broadly Useful Convenient and Efficient R Functions (R Package Version 2024.6).\u201dhttps:\/\/CRAN.R\u2010project.org\/package=bruceR.","DOI":"10.32614\/CRAN.package.bruceR"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.2307\/2060941"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/wps.20375"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev\u2010clinpsy\u2010050212\u2010185608"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10964\u2010006\u20109033\u2010x"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1207\/s15328007sem0902_5"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.2307\/2096320"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.3758\/s13428\u2010017\u20100826\u20101"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.18637\/jss.v048.i04"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/spe.4380211102"},{"key":"e_1_2_11_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jad.2020.09.029"},{"key":"e_1_2_11_13_1","doi-asserted-by":"crossref","unstructured":"Haslbeck J. andL. 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