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Therefore, through network analysis, this study aims to explore the new characteristics of the depression\u2013anxiety symptom network that arose during the long\u2010term lockdown of the COVID\u201019 pandemic and to identify the most influential symptoms linked to suicidal ideation. We used a Patient Health Questionnaire (PHQ\u20109) score above 10 as the cutoff and screened 622 participants with an inclination toward depressive disorders from 7976 college students, and then divided the sample into suicidal and nonsuicidal groups based on the presence or absence of suicidal ideation. The General Anxiety Disorder scale (GAD\u20107) was also used. Network analysis was used to identify the network structure of anxiety\u2013depression and which symptoms were directly related to suicidal ideation in the network. The prevalence of depression and anxiety among Chinese college students in the late stage of the COVID\u201019 pandemic was 7.8% and 17.8%, respectively. The most central symptoms in the nonsuicidal group were \u201cexcessive worry,\u201d \u201cuncontrollable worry,\u201d and \u201cnervousness,\u201d and in the suicidal group they were \u201cexcessive worry,\u201d \u201cmotor function,\u201d and \u201cirritability.\u201d The network of the suicidal group was denser than that of the nonsuicidal group. The most influential symptom directly related to suicidal ideation was \u201cguilt.\u201d The most influential central symptom of depression\u2013anxiety comorbidity characteristics of Chinese adolescents showed a tendency to shift from depression\u2010oriented (i.e., sad mood) to anxiety\u2010oriented (i.e., excessive worry) with the continuation of the COVID\u201019 pandemic. Treatments or interventions focused on these critical symptoms could be useful in preventing college students from suicide risk.<\/jats:p>","DOI":"10.1002\/pchj.668","type":"journal-article","created":{"date-parts":[[2023,7,11]],"date-time":"2023-07-11T21:15:11Z","timestamp":1689110111000},"page":"735-745","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Centrality depression\u2013anxiety symptoms linked to suicidal ideation among depressed college students\u2013\u2013A network approach"],"prefix":"10.1002","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0301-3985","authenticated-orcid":false,"given":"Yanqiang","family":"Tao","sequence":"first","affiliation":[{"name":"Faculty of Psychology Beijing Normal University  Beijing China"},{"name":"Beijing Key Laboratory of Applied Experimental Psychology National Demonstration Center for Experimental Psychology Education  Beijing 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