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  • Title: The development of a self-reported scale for measuring functionality in patients with schizophrenia--self-reported version of the graphic Personal and Social Performance (SRG-PSP) scale.
    Author: Bai YM, Hsiao CY, Chen KC, Huang KL, Lee IH, Hsu JW, Chen PS, Yang YK.
    Journal: Schizophr Res; 2014 Nov; 159(2-3):546-51. PubMed ID: 25257944.
    Abstract:
    BACKGROUND: The Personal and Social Performance (PSP) scale is used for the assessment of patient function by mental health professionals. This study aimed to evaluate the internal reliability and validity of a self-reported graphic version of the PSP (SRG-PSP) scale and its correlations with psychiatric symptoms, daily life ability and quality of life. METHODS: The SRG-PSP scale was developed following the four PSP domains: socially useful activities, personal and social relationships, self-care, and disturbing and aggressive behavior. In total, 108 patients with schizophrenia were enrolled. All participants completed the SRG-PSP, the Activities of Daily Living Rating Scale II (ADLRS-II), and the World Health Organization Quality of Life-BREF (WHOQOL). They were also assessed using the PSP and the Positive and Negative Syndrome Scale (PANSS). Spearman's ρ was used to examine the correlations between SRG-PSP scores and other variables. RESULTS: The results of the SRG-PSP were significantly correlated to those of their corresponding criteria on the PSP. The global score of the SRG-PSP and the scores of three domains, socially useful activities, personal and social relationships, and self-care, were positively correlated with most sub items of the ADLRS-II and WHOQOL, and were negatively correlated with the PANSS scores. The disturbing and aggressive behavior domain of the SRG-PSP was negatively correlated with most sub items of the ADLRS-II and WHOQOL (ρ=-0.19 to -0.36, all p<0.05) and positively correlated with the PANSS (ρ=0.24-0.30, all p<0.05), with the exception of negative symptoms (ρ=0.09, p=0.40). CONCLUSION: The SRG-PSP is a valid self-reported scale for the assessment of functionality in patients with schizophrenia.
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