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Indian J Psychiatry. 2000 Oct;42(4):415-20.

Psychometric properties of quality of life (qls) scale : a brief report.

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  • 1NITIN GUPTA, MD., Assistant Professor, Department of Psychiatry, Postgraduate Institute of Medical Education and Research, Chandigarh-160 012.


Quality of life research in chronic schizophrenia has not adequately focussed upon psychometric properties of the disease specific scales (including Quality of Life Scale); especially in the cross-cultural perspective. The authors attempted to assess certain psychometric properties of the Quality of Life Scale (QLS); modified as per the Indian cultural background Fifteen patients of ICD-10 chronic schizophrenia and their key relatives were administered QLS and rated by two investigators. Patients were also administered Lehman's Quality of Life Interview-Brief Version. Correlation coefficients were high for inter-rater reliability and divergent validity and inconsistent for convergent validity. Results support the original construct of QLS and demonstrate its easy crosscultutral applicability to key relatives by clinicians.


Quality of life; disease specific scales; quality of life scale; reliability; validity

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