Validation of the Portuguese version of the Community Assessment of Psychic Experiences and characterization of psychotic experiences in a Brazilian sample
Braz. J. Psychiatry (São Paulo, 1999, Impr.)
; 42(4): 389-397, July-Aug. 2020. tab
Article
in En
| LILACS
| ID: biblio-1132107
Responsible library:
BR1.1
ABSTRACT
Objective:
We investigated i) the reliability and validity of a Brazilian version of the Community Assessment of Psychic Experiences (CAPE), developed to detect and characterize psychotic experiences in the general population; and ii) the association between psychotic experiences, childhood adversity, and cannabis use in a population-based sample.Methods:
We performed factorial analyses and generalized linear models with CAPE scores as the dependent variable in a sample composed of 217 first-episode psychosis patients, 104 unaffected biological siblings, and 319 non-psychotic population-based participants.Results:
After removing seven items from its positive dimension and two items from its negative dimension, a 33-item Brazilian version of the CAPE showed acceptable adjustment indices (confirmatory fit index = 0.895; goodness of fit index = 0.822; parsimony goodness of fit index = 0.761; root mean square error of approximation [RMSEA] = 0.055, p [RMSEA ≤ 0.05] = 0.04) and internal consistency in all its dimensions (> 0.70). Childhood adversity was associated with higher scores in all three dimensions, as well as with total score. Lifetime cannabis use was associated with higher scores only in the positive dimension.Conclusion:
The proposed Brazilian version of the CAPE corroborates the tridimensional approach for assessing psychosis-proneness, and the frequency and severity of psychotic manifestations are distributed as a spectrum in the general population.Key words
Full text:
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Index:
LILACS
Main subject:
Psychiatric Status Rating Scales
/
Psychotic Disorders
/
Surveys and Questionnaires
Type of study:
Prognostic_studies
Limits:
Female
/
Humans
/
Male
Country/Region as subject:
America do sul
/
Brasil
/
Europa
Language:
En
Journal:
Braz. J. Psychiatry (São Paulo, 1999, Impr.)
Journal subject:
PSIQUIATRIA
Year:
2020
Type:
Article