The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research


Resource | v1 | created by semantic-scholar-bot |
Type Paper
Created 1989-01-01
Identifier DOI: 10.1016/0165-1781(89)90047-4

Description

Despite the prevalence of sleep complaints among psychiatric patients, few questionnaires have been specifically designed to measure sleep quality in clinical populations. The Pittsburgh Sleep Quality Index (PSQI) is a self-rated questionnaire which assesses sleep quality and disturbances over a 1-month time interval. Nineteen individual items generate seven "component" scores: subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction. The sum of scores for these seven components yields one global score. Clinical and clinimetric properties of the PSQI were assessed over an 18-month period with "good" sleepers (healthy subjects, n = 52) and "poor" sleepers (depressed patients, n = 54; sleep-disorder patients, n = 62). Acceptable measures of internal homogeneity, consistency (test-retest reliability), and validity were obtained.

Relations

is about Psychology

Psychology is the science of mind and behavior. Psychology includes the study of conscious and uncons...

is about Sleep

Sleep is a naturally recurring state of mind and body, characterized by altered consciousness, relati...

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