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Since criteria for PGD in both classification systems differ from prior proposed grief disorders and each other, the validation of a single instrument to screen for prolonged grief (PG) symptoms of both new diagnoses is critical for bereavement research and care. Therefore, we evaluated the psychometric properties of the Swedish version of the Traumatic Grief Inventory Self\u2010Report Plus (TGI\u2010SR+). Two\u2010hundred and forty\u2010eight bereaved parents completed questions about sociodemographic and loss\u2010related variables, the TGI\u2010SR+, and symptom measures of post\u2010traumatic stress (PTS), depression and an older measure of PG symptoms, the Prolonged Grief Disorder\u201013 (PG\u201013). Confirmatory factor analyses showed that a one\u2010factor model best fit DSM\u20105\u2010TR and ICD\u201011 PG symptoms and the analyses of the internal consistency and inter\u2010item correlations showed that these symptoms could be reliably assessed. In support of convergent validity, DSM\u20105\u2010TR and ICD\u201011 PG symptoms correlated with symptoms of PTS, depression and PG assessed with the PG\u201013. In support of known\u2010groups validity, DSM\u20105\u2010TR and ICD\u201011 PG symptoms were higher among lower educated (vs. higher educated) participants and related negatively to time since loss. ROC analyses showed optimal cut\u2010off score of \u226571 and \u226572 to determine probable caseness for DSM\u20105\u2010TR and ICD\u201011 PGD, respectively. Results support the reliability and validity of the Swedish TGI\u2010SR+ as a screening instrument for PG in research and bereavement care.<\/jats:p>","DOI":"10.1002\/cpp.2922","type":"journal-article","created":{"date-parts":[[2023,10,23]],"date-time":"2023-10-23T21:34:42Z","timestamp":1698096882000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Psychometric evaluation of the Swedish Traumatic Grief Inventory Self\u2010Report Plus (TGI\u2010SR+) in bereaved parents"],"prefix":"10.1002","volume":"31","author":[{"given":"Lonneke I. M.","family":"Lenferink","sequence":"first","affiliation":[{"name":"Department of Psychology, Health &amp; Technology, Faculty of Behavioural Management and Social Sciences University of Twente  Enschede The Netherlands"},{"name":"Department of Clinical Psychology, Faculty of Social Sciences Utrecht University  Utrecht The Netherlands"},{"name":"Department of Clinical Psychology and Experimental Psychopathology, Faculty of Behavioral and Social Sciences University of Groningen  Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iris","family":"van Dijk","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology, Faculty of Social Sciences Utrecht University  Utrecht The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6109-2274","authenticated-orcid":false,"given":"Maarten C.","family":"Eisma","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology and Experimental Psychopathology, Faculty of Behavioral and Social Sciences University of Groningen  Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rakel","family":"Eklund","sequence":"additional","affiliation":[{"name":"Department of Women's and Children's Health, Uppsala University Uppsala University Hospital  Uppsala Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4125-4739","authenticated-orcid":false,"given":"Paul A.","family":"Boelen","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology, Faculty of Social Sciences Utrecht University  Utrecht The Netherlands"},{"name":"ARQ National Psychotrauma Centre  Diemen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5523-8126","authenticated-orcid":false,"given":"Josefin","family":"Sveen","sequence":"additional","affiliation":[{"name":"Department of Women's and Children's Health, Uppsala University Uppsala University Hospital  Uppsala Sweden"},{"name":"Centre for Crisis Psychology, Faculty of Psychology University of Bergen  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,10,23]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1176\/appi.books.9780890425596"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1176\/appi.books.9780890425787"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1080\/07481187.2020.1850551"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/jts.22059"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1080\/07481187.2018.1480546"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.psychres.2020.112786"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.psychres.2019.01.006"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1080\/15325024.2017.1284488"},{"key":"e_1_2_11_10_1","unstructured":"Bondjers K.(2020).Post\u2010traumatic stress sisorder \u2013 Assessment of current diagnostic definitions[Uppsala University].https:\/\/urn.kb.se\/resolve?urn=urn:nbn:se:uu:diva-403118"},{"key":"e_1_2_11_11_1","first-page":"145","volume-title":"Complicated grief: Scientific foundations for health care professionals","author":"Burke L. 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