Alice Einloft Brunnet, Bruno Messina Coimbra, Chris Hoeboer, Marcus Vinicius Bolívar Malachias, Christian Haag Kristensen, Miranda Olff
{"title":"全球精神创伤筛查（GPS）在巴西普通人群中的心理测量特性。","authors":"Alice Einloft Brunnet, Bruno Messina Coimbra, Chris Hoeboer, Marcus Vinicius Bolívar Malachias, Christian Haag Kristensen, Miranda Olff","doi":"10.47626/2237-6089-2024-0913","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the psychometric properties of the Brazilian version of the Global Psychotrauma Screen (GPS).</p><p><strong>Methods: </strong>The scale was tested on two Internet-based samples: GPS-CCC (n = 657) and GPS-Brazil (n = 431). Exploratory factor analysis (EFA) was conducted on GPS-CCC. Confirmatory factor analysis (CFA), correlational analysis and sensitivity and specificity analysis were performed on the GPS-Brazil sample.</p><p><strong>Results: </strong>EFA indicated a three-factor structure. Regarding CFA, models with one to three factors fitted the data well but the three-factor model proposed by Rossi et al. (2021) showed the best fit. Convergent validity was established between the GPS subscales and scales measuring symptoms of posttraumatic stress disorder (PTSD), complex PTSD, anxiety and depression. The cut-off point of 4 on the GPS PTSD scale was found to be optimal to identify probable PTSD. Optimal cut-off scores for probable complex PTSD and significant symptoms of anxiety and depression were also identified.</p><p><strong>Conclusions: </strong>The results show that the Brazilian version of the GPS is a valid tool to screen transdiagnostic posttraumatic reactions.</p>","PeriodicalId":46305,"journal":{"name":"Trends in Psychiatry and Psychotherapy","volume":" ","pages":""},"PeriodicalIF":2.1000,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Psychometric properties of the Global Psychotrauma Screen (GPS) in the Brazilian general population.\",\"authors\":\"Alice Einloft Brunnet, Bruno Messina Coimbra, Chris Hoeboer, Marcus Vinicius Bolívar Malachias, Christian Haag Kristensen, Miranda Olff\",\"doi\":\"10.47626/2237-6089-2024-0913\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>To evaluate the psychometric properties of the Brazilian version of the Global Psychotrauma Screen (GPS).</p><p><strong>Methods: </strong>The scale was tested on two Internet-based samples: GPS-CCC (n = 657) and GPS-Brazil (n = 431). Exploratory factor analysis (EFA) was conducted on GPS-CCC. Confirmatory factor analysis (CFA), correlational analysis and sensitivity and specificity analysis were performed on the GPS-Brazil sample.</p><p><strong>Results: </strong>EFA indicated a three-factor structure. Regarding CFA, models with one to three factors fitted the data well but the three-factor model proposed by Rossi et al. (2021) showed the best fit. Convergent validity was established between the GPS subscales and scales measuring symptoms of posttraumatic stress disorder (PTSD), complex PTSD, anxiety and depression. The cut-off point of 4 on the GPS PTSD scale was found to be optimal to identify probable PTSD. Optimal cut-off scores for probable complex PTSD and significant symptoms of anxiety and depression were also identified.</p><p><strong>Conclusions: </strong>The results show that the Brazilian version of the GPS is a valid tool to screen transdiagnostic posttraumatic reactions.</p>\",\"PeriodicalId\":46305,\"journal\":{\"name\":\"Trends in Psychiatry and Psychotherapy\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":2.1000,\"publicationDate\":\"2024-01-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Trends in Psychiatry and Psychotherapy\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.47626/2237-6089-2024-0913\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"PSYCHIATRY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Trends in Psychiatry and Psychotherapy","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.47626/2237-6089-2024-0913","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PSYCHIATRY","Score":null,"Total":0}
Psychometric properties of the Global Psychotrauma Screen (GPS) in the Brazilian general population.
Objective: To evaluate the psychometric properties of the Brazilian version of the Global Psychotrauma Screen (GPS).
Methods: The scale was tested on two Internet-based samples: GPS-CCC (n = 657) and GPS-Brazil (n = 431). Exploratory factor analysis (EFA) was conducted on GPS-CCC. Confirmatory factor analysis (CFA), correlational analysis and sensitivity and specificity analysis were performed on the GPS-Brazil sample.
Results: EFA indicated a three-factor structure. Regarding CFA, models with one to three factors fitted the data well but the three-factor model proposed by Rossi et al. (2021) showed the best fit. Convergent validity was established between the GPS subscales and scales measuring symptoms of posttraumatic stress disorder (PTSD), complex PTSD, anxiety and depression. The cut-off point of 4 on the GPS PTSD scale was found to be optimal to identify probable PTSD. Optimal cut-off scores for probable complex PTSD and significant symptoms of anxiety and depression were also identified.
Conclusions: The results show that the Brazilian version of the GPS is a valid tool to screen transdiagnostic posttraumatic reactions.
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