Publicação
Validation of the Portuguese version of the Clinical Impairment Assessment (CIA) in eating disorders' patients
| Resumo: | Purpose: The purpose of the study was to assess the psychometric properties of the Portuguese version of the Clinical Impairment Assessment (CIA) in eating disorders (ED) patients. Method The CIA is a 16-item brief self-reported instrument developed to assess psychosocial impairment secondary to EDs. The CIA was administered to a clinical sample of 237 women with EDs and a college sample of 196 women. The clinical sample completed the Eating Disorders Examination Questionnaire, the Beck Depression Inventory and the Outcome-45 Questionnaire. Reliability, confirmatory factor analysis, validity, and clinically significant change were calculated. Results Confirmatory factor analysis validated the original 3-factor structure showing an adequate model fit. CIA showed good psychometric properties with high internal consistency, good convergent validity with the EDE-Q, the OQ-45, and the BDI. For divergent validity, participants CIA scores in the clinical sample were significantly higher than in the non-clinical sample. ROC curve analysis provided a cutoff of 15. For known-groups validity participants' scoring above CIA cutoff reported significantly higher CIA scores. In addition, non-underweight participants and participants reporting the presence of dysfunctional ED behaviors had significantly higher CIA scores. Finally, for clinically significant change, a reliable change index of 5 points was obtained to consider a reliable change in the CIA global score. Conclusions Our findings support the validity and clinical utility of the CIA as a good self-report measure to be used in both clinical and research settings. |
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| Autores principais: | Vaz, Ana Rita Rendeiro Ribeiro |
| Outros Autores: | Conceição, Eva Martins; Silva, Ana Isabel Pinto Bastos Leite; Silva, Daniela; Machado, Paulo P. P. |
| Assunto: | Clinical impairment Eating disorders Psychometrics Portuguese version |
| Ano: | 2020 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso restrito |
| Instituição associada: | Universidade do Minho |
| Idioma: | inglês |
| Origem: | RepositóriUM - Universidade do Minho |
| Resumo: | Purpose: The purpose of the study was to assess the psychometric properties of the Portuguese version of the Clinical Impairment Assessment (CIA) in eating disorders (ED) patients. Method The CIA is a 16-item brief self-reported instrument developed to assess psychosocial impairment secondary to EDs. The CIA was administered to a clinical sample of 237 women with EDs and a college sample of 196 women. The clinical sample completed the Eating Disorders Examination Questionnaire, the Beck Depression Inventory and the Outcome-45 Questionnaire. Reliability, confirmatory factor analysis, validity, and clinically significant change were calculated. Results Confirmatory factor analysis validated the original 3-factor structure showing an adequate model fit. CIA showed good psychometric properties with high internal consistency, good convergent validity with the EDE-Q, the OQ-45, and the BDI. For divergent validity, participants CIA scores in the clinical sample were significantly higher than in the non-clinical sample. ROC curve analysis provided a cutoff of 15. For known-groups validity participants' scoring above CIA cutoff reported significantly higher CIA scores. In addition, non-underweight participants and participants reporting the presence of dysfunctional ED behaviors had significantly higher CIA scores. Finally, for clinically significant change, a reliable change index of 5 points was obtained to consider a reliable change in the CIA global score. Conclusions Our findings support the validity and clinical utility of the CIA as a good self-report measure to be used in both clinical and research settings. |
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