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Table 5 Association between each component of PSQI and psychological domain of WHOQOL-BREF

From: Association between sleep quality and domains of quality of life amongst patients with first episode psychosis

Component of PSQIBStandard ErrorP value95% Confidence Interval
Lower BoundUpper Bound
Subjective sleep quality−0.6320.2940.033*−1.212−0.052
Sleep latency−0.6330.2190.004*−1.065−0.201
Sleep duration−0.2870.2150.184−0.7110.138
Habitual sleep efficiency0.0480.2110.822−0.3690.464
Sleep disturbances0.5040.2950.090−0.0791.086
Use of sleeping medicine0.0100.1550.948−0.2960.316
Daytime Dysfunction−0.6940.2360.004*−1.160−0.227
  1. PSQI – Pittsburg sleep quality index; WHOQOL-BREF – World Health Organization Quality of Life - BREF
  2. *P value < 0.05