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A new questionnaire assessing the opinions of the relatives of patients with schizophrenia on the causes and social consequences of the disorder: reliability and validity

Published online by Cambridge University Press:  16 April 2020

L. Magliano
Affiliation:
Department of Psychiatry, University of Naples SUN — Largo Madonna delle Grazie, 80138Naples, Italy
C. Marasco
Affiliation:
Department of Psychiatry, University of Naples SUN — Largo Madonna delle Grazie, 80138Naples, Italy
M. Guarneri
Affiliation:
Department of Psychiatry, University of Naples SUN — Largo Madonna delle Grazie, 80138Naples, Italy
C. Malangone
Affiliation:
Department of Psychiatry, University of Naples SUN — Largo Madonna delle Grazie, 80138Naples, Italy
G. Lacrimini
Affiliation:
Mental Health Service of ArezzoArezzo, Italy
P. Zanus
Affiliation:
Mental Health Service of TriesteTrieste, Italy
M. Maj
Affiliation:
Department of Psychiatry, University of Naples SUN — Largo Madonna delle Grazie, 80138Naples, Italy
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Summary

This paper describes the development and the validation of a questionnaire assessing the opinions of the relatives of patients with schizophrenia on the causes and the social consequences of the disorder. The final version of the questionnaire includes 28 items, grouped in four sub-scales (social restrictions, social distance, utility of treatments, biopsychosocial causes of schizophrenia), whose intra-rater reliability ranges from 0.36 to 0.84. Cronbach's alpha coefficient, which tests the content validity of the sub-scales, ranges from 0.56 to 0.66. Factor analysis identifies two factors (opinions on social consequences and the utility of treatments, and the beliefs on the causes of schizophrenia), which account for the 73% of the total variance. This questionnaire may be particularly useful to assess relatives'beliefs about schizophrenia and to target psychosocial interventions in the families of patients with schizophrenia.

Type
Original articles
Copyright
Copyright © Elsevier, Paris 1999

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