{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,14]],"date-time":"2026-11-14T04:44:45Z","timestamp":1794631485191,"version":"4.9.1"},"reference-count":82,"publisher":"Public Library of Science (PLoS)","issue":"12","license":[{"start":{"date-parts":[[2021,12,16]],"date-time":"2021-12-16T00:00:00Z","timestamp":1639612800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:p>This study investigated the reliability and factorial validity of General Anxiety Disorder-7 (GAD-7) in the context of university students in Bangladesh. The research aimed to assess whether the original one-dimensional model or a model containing both somatic and cognitive-emotional factors is appropriate. A repeated cross-sectional survey design based on convenience sampling was used to collect data from 677 university students. The factor structure of the GAD-7 was assessed by exploratory factor analysis (EFA) and confirmatory factor analysis (CFA), and its convergent validity was determined by investigating its correlations with Patient Health Questionnaire-9 (PHQ-9) and Patient Health Questionnaire Anxiety-Depression Scale (PHQ-ADS). Results showed excellent reliability of GAD-7 as measured by Cronbach\u2019s \u03b1. CFA suggested that a modified one-factor model is appropriate for the sample. This model provided high values of comparative fit index (CFI), goodness of fit index (GFI), and Tucker Lewis Index (TLI), low value of standardized root mean square residual (SRMR) and a non-significant root mean square error of approximation (RMSEA). Correlation between GAD-7 and PHQ-9 was 0.751 and 0.934 between GAD-7 and PHQ-ADS. Overall, the study provided support for modified unidimensional structure for GAD-7 and showed high internal consistency along with good convergent validity.<\/jats:p>","DOI":"10.1371\/journal.pone.0261590","type":"journal-article","created":{"date-parts":[[2021,12,16]],"date-time":"2021-12-16T13:46:08Z","timestamp":1639662368000},"page":"e0261590","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":199,"title":["Validity and reliability of the Generalized Anxiety Disorder-7 (GAD-7) among university students of Bangladesh"],"prefix":"10.1371","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7403-9862","authenticated-orcid":true,"given":"Tahia Anan","family":"Dhira","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahir A.","family":"Rahman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdur Razzaque","family":"Sarker","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6991-8213","authenticated-orcid":true,"given":"Jeenat","family":"Mehareen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2021,12,16]]},"reference":[{"issue":"1","key":"pone.0261590.ref001","first-page":"30","article-title":"Current diagnosis and treatment of anxiety disorders","volume":"38","author":"A Bystritsky","year":"2013","journal-title":"P & T: a peer-reviewed journal for formulary management"},{"issue":"1\u20132","key":"pone.0261590.ref002","article-title":"Prevalence and correlates of generalized anxiety disorder among older adults in the Australian National Survey of Mental Health and Well-Being","volume":"132","author":"DC Gon\u00e7alves","year":"2011","journal-title":"Journal of Affective Disorders"},{"issue":"4","key":"pone.0261590.ref003","doi-asserted-by":"crossref","DOI":"10.1016\/0272-7358(91)90116-C","article-title":"Generalized anxiety disorder: A review of clinical features and theoretical concepts","volume":"11","author":"RM Rapee","year":"1991","journal-title":"Clinical Psychology Review"},{"issue":"S12","key":"pone.0261590.ref004","article-title":"Anxiety Disorders: Similarities and Differences of Comorbidity in Treated and Untreated Groups","volume":"159","author":"H-U Wittchen","year":"1991","journal-title":"British Journal of Psychiatry"},{"key":"pone.0261590.ref005","volume-title":"The Encyclopedia of Clinical Psychology","author":"J. 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