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01.12.2016 | Research article | Ausgabe 1/2016 Open Access

BMC Psychiatry 1/2016

Psychometric properties of the Seville quality of life questionnaire in Mexican patients with psychosis

BMC Psychiatry > Ausgabe 1/2016
Lizzette Gómez-de-Regil



The Seville Quality of Life Questionnaire (CSCV) was designed to assess quality of life in patients with schizophrenia taking into account those facets particularly important in this disorder. The study aimed at applying the CSCV to a sample of Mexican patients with psychosis in an effort further substantiates the psychometric properties of the CSCV.


This cross-sectional study included 61 patients (56 % female) with psychosis. Item-scale and item-factor correlations were analyzed, as well as scale-factor correlations. Cronbach’s Alpha and principal component analysis with varimax rotation were used to assess internal consistency and construct validity, respectively.


Analyses of both, disfavorable and favorable dimensions, showed a stronger item-scale than item-factor correlation, in most cases significant, though. Internal consistency was significant and adequate; higher for scales than for factors. For the disfavorable and the favorable scales 11 and 2 factors were obtained, respectively; explained variance was low.


In this sample of Mexican patients it was replicated that the CSCV is a valid and reliable instrument to assess quality of life in people with psychosis; the use of scale scores is recommended.
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