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The portuguese version of the personal and social performance scale (PSP): reliability, validity, and relationship with cognitive measures in hospitalized and community schizophrenia patients

Published online by Cambridge University Press:  16 April 2020

S. Brissos
Affiliation:
Lisbon's Psychiatric Hospitalar Centre, Lisbon, Portugal Janssen-Cilag Pharmaceutical, Lisbon, Portugal
J.G. Marques
Affiliation:
Lisbon's Psychiatric Hospitalar Centre, Lisbon, Portugal
F. Palhavã
Affiliation:
Lisbon's Psychiatric Hospitalar Centre, Lisbon, Portugal
S. Mexia
Affiliation:
Lisbon's Psychiatric Hospitalar Centre, Lisbon, Portugal
A.L. Carmo
Affiliation:
Psychiatry, Santa Maria's University Hospital, Lisbon, Portugal
M. Carvalho
Affiliation:
Psychiatry, Santa Maria's University Hospital, Lisbon, Portugal
C. Dias
Affiliation:
Psychiatry, Santa Maria's University Hospital, Lisbon, Portugal
J.D. Franco
Affiliation:
Psychiatry, Santa Maria's University Hospital, Lisbon, Portugal
R. Mendes
Affiliation:
Psychiatry, Santa Maria's University Hospital, Lisbon, Portugal
P. Zuzarte
Affiliation:
Psychiatry, Santa Maria's University Hospital, Lisbon, Portugal
A.I. Carita
Affiliation:
Faculty of Human Kinetics, Technical University of Lisbon, Lisbon, Portugal
A. Molodynski
Affiliation:
Psychiatry, Social Psychiatry Group, Oxford University, Oxford, UK
M.L. Figueira
Affiliation:
Psychiatry, Santa Maria's University Hospital, Lisbon, Portugal Faculty of Medicine, University of Lisbon, Lisbon, Portugal
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Abstract

Introduction

Deficits in social functioning are a core feature of schizophrenia and are influenced by both symptomatic and neurocognitive variables.

Objectives

In the present study we aimed to determine the reliability and validity of the Portuguese version of the Personal and Social Performance (PSP) scale, and possible correlations with measures of cognitive functioning.

Methods

One-hundred and four community and inpatients with schizophrenia were assessed using measures of social functioning and symptom severity alongside measures of executive function, processing speed and verbal memory.

Results

The reliability of the PSP was found to be satisfactory, with a Cronbach's alpha coefficient of 0.789. Inter-rater reliability in the four domains of the PSP varied from 0.430 to 0.954. Low-functioning patients (PSP < 70) were older, had longer duration of illness, were more symptomatic and had worse cognitive performances, as compared to high-functioning patients (PSP ≥ 70). In a regression model, deficits in social functioning were strongly predicted both by symptomatic and neurocognitive variables; these together accounted for up to 62% of the variance.

Conclusions

The present study supports the reliability and validity of the Portuguese language version of the PSP and further supports the original measure. The co-administration of brief cognitive assessments with measures of functioning may lead to more focused interventions, possibly improving outcomes in this group.

Type
P03-273
Copyright
Copyright © European Psychiatric Association 2011

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The portuguese version of the personal and social performance scale (PSP): reliability, validity, and relationship with cognitive measures in hospitalized and community schizophrenia patients
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