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Psychometric properties of the Brief Symptom Inventory support the hypothesis of a general psychopathological factor
Serpa, Alexandre Luiz de Oliveira; Costa, Danielle Souza; Ferreira, Clarice de Medeiros Chaves; Pinheiro, Mayra Isabel C.; Diaz, Alexandre Paim; de Paula, Jonas Jardim; Miranda, Debora Marques; da Silva, Antônio Geraldo; Malloy-Diniz, Leandro Fernandes.
  • Serpa, Alexandre Luiz de Oliveira; Universidade Presbiteriana Mackenzie. Laboratório de Neurociências Cognitiva e Social. São Paulo. BR
  • Costa, Danielle Souza; Universidade Federal de Minas Gerais. Faculdade de Medicina. Laboratório de Neurociências. Belo Horizonte. BR
  • Ferreira, Clarice de Medeiros Chaves; Universidade FUMEC. Belo Horizonte. BR
  • Pinheiro, Mayra Isabel C.; Ministério da Saúde. SGTES. Brasília. BR
  • Diaz, Alexandre Paim; The University of Texas Health Science Center at Houston. Department of Psychiatry and Behavioral Sciences. Houston. US
  • de Paula, Jonas Jardim; Metacognitiv. São Paulo. BR
  • Miranda, Debora Marques; UFMG. Faculdade de Medicina. Departamento de Pediatria. Belo Horizonte. BR
  • da Silva, Antônio Geraldo; Associação Brasileira de Psiquiatria. Rio de Janeiro. BR
  • Malloy-Diniz, Leandro Fernandes; Universidade FUMEC. Belo Horizonte. BR
Trends psychiatry psychother. (Impr.) ; 44: e20210207, 2022. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1377441
ABSTRACT
Abstract Introduction The existence of a general factor related to psychiatric symptoms is supported by studies using a variety of methods in both clinical and non-clinical samples. Objectives This study aims to evaluate the replicability of the internal structure of the Brief Symptom Inventory in a large Brazilian sample. Methods Participants were 6,427 Brazilian subjects (81% female). Mean age was 42.1 years (standard deviation [SD] = 13.6, Min = 13, Max = 80). All participants completed the online version of the Brief Symptom Inventory. This scale presents a general score (GSI) and nine specific clusters of symptoms (depression, anxiety, phobic anxiety, interpersonal sensibility, psychoticism, paranoid ideation, obsessive-compulsive behavior, hostility, and somatization symptoms). Results Confirmatory factor analysis was performed to assess the factor structure of the BSI. The results showed that the best-fitting model was a bifactor solution and the general factor was the main dimension explaining most of the reliable variability in the data. Conclusion The findings suggest that the BSI's internal structure was replicated in a non-clinical sample and that the general factor is the most reliable score. However, it is necessary to better understand the meaning of the general factor scores in a non-clinical sample to increase interpretability of scores.


Full text: Available Index: LILACS (Americas) Type of study: Diagnostic study / Prognostic study Language: English Journal: Trends psychiatry psychother. (Impr.) Journal subject: Psychiatry Year: 2022 Type: Article / Project document Affiliation country: Brazil / United States Institution/Affiliation country: Associação Brasileira de Psiquiatria/BR / Metacognitiv/BR / Ministério da Saúde/BR / The University of Texas Health Science Center at Houston/US / UFMG/BR / Universidade FUMEC/BR / Universidade Federal de Minas Gerais/BR / Universidade Presbiteriana Mackenzie/BR

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Full text: Available Index: LILACS (Americas) Type of study: Diagnostic study / Prognostic study Language: English Journal: Trends psychiatry psychother. (Impr.) Journal subject: Psychiatry Year: 2022 Type: Article / Project document Affiliation country: Brazil / United States Institution/Affiliation country: Associação Brasileira de Psiquiatria/BR / Metacognitiv/BR / Ministério da Saúde/BR / The University of Texas Health Science Center at Houston/US / UFMG/BR / Universidade FUMEC/BR / Universidade Federal de Minas Gerais/BR / Universidade Presbiteriana Mackenzie/BR