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The Pittsburgh Sleep Quality Index (PSQI) is a tool developed by University of Pittsburgh researchers to evaluate sleep quality over a month. It measures various aspects of sleep, such as subjective experiences and objective parameters, and has been validated in multiple languages and contexts.
The PSQI is a 19-item questionnaire that evaluates overall sleep quality in clinical populations with psychiatric disorders or sleep disturbances. It has good reliability and validity, and a cut-off score of 5 for the global scale can identify patients with poor sleep quality.
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A tool to measure the quality and patterns of sleep in older adults across the health care continuum. The PSQI consists of seven domains that assess subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleep medication, and daytime dysfunction.
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A self-report questionnaire that assesses sleep quality over a month, developed by researchers at the University of Pittsburgh. It consists of 19 items, creating 7 components that produce one global score, and has been used in research and clinical activities.
The Pittsburgh Sleep Quality Index (PSQI) is a self-rated questionnaire which assesses sleep quality and disturbances over a 1-month time interval.
- Daniel J. Buysse, Charles F. Reynolds, Timothy H. Monk, Susan R. Berman, David J. Kupfer
- 1989
Aug 31, 2020 · The Pittsburgh Sleep Quality Index (PSQI) is a widely used self-report questionnaire that measures general sleep quality in general populations. However, its psychometric properties have yet to be thoroughly examined in longevous persons.
Apr 26, 2021 · The items are scored nonlinearly to generate seven component scores: subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction.
