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Validity and reliability of the functioning assessment short test (FAST) in bipolar disorder

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Validity and reliability of the functioning assessment short test (FAST) in bipolar disorder

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Título Validity and reliability of the functioning assessment short test (FAST) in bipolar disorder
Autor Rosa, Adriane Ribeiro
Sanchez-Moreno, Jose
Martínez-Aran, Anabel
Salamero, Manel
Torrent, Carla
Reinares, Maria
Comes, Mercè
Colom, Francesc
Van Riel, Willemijn
Ayuso-Mateos, Jose Luis
Kapczinski, Flávio Pereira
Vieta, Eduard
Abstract Background: Numerous studies have documented high rates of functional impairment among bipolar disorder (BD) patients, even during phases of remission. However, the majority of the available instruments used to assess functioning have focused on global measures of functional recovery rather than specific domains of psychosocial functioning. In this context, the Functioning Assessment Short Test (FAST) is a brief instrument designed to assess the main functioning problems experienced by psychiatric patients, particularly bipolar patients. It comprises 24 items that assess impairment or disability in six specific areas of functioning: autonomy, occupational functioning, cognitive functioning, financial issues, interpersonal relationships and leisure time. Methods: 101 patients with DSM-IV TR bipolar disorder and 61 healthy controls were assessed in the Bipolar Disorder Program, Hospital Clinic of Barcelona. The psychometric properties of FAST (feasibility, internal consistency, concurrent validity, discriminant validity (euthymic vs acute patients), factorial analyses, and testretest reliability) were analysed. Results: The internal consistency obtained was very high with a Cronbach's alpha of 0.909. A highly significant negative correlation with GAF was obtained (r = -0.903; p < 0.001) pointing to a reasonable degree of concurrent validity. Test-retest reliability analysis showed a strong correlation between the two measures carried out one week apart (ICC = 0.98; p < 0.001). The total FAST scores were lower in euthymic (18.55 ± 13.19; F = 35.43; p < 0.001) patients, as compared with manic (40.44 ± 9.15) and depressive patients (43.21 ± 13.34). Conclusion: The FAST showed strong psychometrics properties and was able to detect differences between euthymic and acute BD patients. In addition, it is a short (6 minutes) simple interview-administered instrument, which is easy to apply and requires only a short period of time for its application.
Contido em Clinical practice and epidemiology in mental health. London. Vol. 3, no. 5 (Jun. 2007), p. 1-8
Assunto Psiquiatria
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/20450
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