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Lookup NU author(s): Professor Douglas Turkington
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Objective: The construct validity and test-retest reliability of the Personal and Social Performance (PSP) scale were used to assess social functioning in a cohort of ethnically diverse UK patients with schizophrenia. Methods: A total of 73 patients with schizophrenia took part in the study. At baseline, the PSP, two symptomatology scales and two other functioning scales were administered. A subset of the sample (N = 40) took part in a retest where the Clinical Global Impression-Severity (CGI-S) and PSP scales were administered 8-10 days later. Results: PSP significantly correlated with all other measures, Positive and Negative Syndrome Scale (PANSS), Global Assessment of Functioning (GAF) and Quality of Life Scale (QLS) at baseline (p<0.02) and with CGI-S at follow-up (p<0.01). In addition, the PSP scale was moderately sensitive to the severity of illness. Test-retest reliability for the PSP score was 0.45 and the scale was able to discriminate between known groups (mild and severe patients). Conclusion: The PSP was easy to administer in this predominantly inpatient cohort and was moderately correlated with all other functioning measures tested. Due to patient homogeneity, the test-retest reliability statistic of the PSP was lower than that observed in other studies. (C) 2012 Elsevier B. V. All rights reserved.
Author(s): Nafees B, de Jonge PV, Stull D, Pascoe K, Price M, Clarke A, Turkington D
Publication type: Article
Publication status: Published
Journal: Schizophrenia Research
Year: 2012
Volume: 140
Issue: 1-3
Pages: 71-76
Print publication date: 01/09/2012
ISSN (print): 0920-9964
ISSN (electronic): 1573-2509
Publisher: Elsevier BV
URL: http://dx.doi.org/10.1016/j.schres.2012.06.013
DOI: 10.1016/j.schres.2012.06.013
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