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Reliability and validity of a Portuguese version of the Young Mania Rating Scale

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Author(s): Vilela J.A.A. | Crippa J.A.S. | Del-Ben C.M. | Loureiro S.R.

Journal: Brazilian Journal of Medical and Biological Research
ISSN 0100-879X

Volume: 38;
Issue: 9;
Start page: 1429;
Date: 2005;
Original page

Keywords: Mania | Rating scales | Reliability | Validity | Brief Psychiatric Rating Scale

ABSTRACT
The reliability and validity of a Portuguese version of the Young Mania Rating Scale were evaluated. The original scale was translated into and adapted to Portuguese by the authors. Definitions of clinical manifestations, a semi-structured anchored interview and more explicit rating criteria were added to the scale. Fifty-five adult subjects, aged 18 to 60 years, with a diagnosis of Current Manic Episode according to DSM-III-R criteria were assessed using the Young Mania Rating Scale as well as the Brief Psychiatric Rating Scale in two sessions held at intervals from 7 to 10 days. Good reliability ratings were obtained, with intra-class correlation coefficient of 0.97 for total scores, and levels of agreement above 0.80 (P < 0.001) for all individual items. Internal consistency analysis resulted in an alpha = 0.67 for the scale as a whole, and an alpha = 0.72 for each standardized item (P < 0.001). For the concurrent validity, a correlation of 0.78 was obtained by the Pearson coefficient between the total scores of the Young Mania Rating Scale and Brief Psychiatric Rating Scale. The results are similar to those reported for the English version, indicating that the Portuguese version of the scale constitutes a reliable and valid instrument for the assessment of manic patients.
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