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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 PSQI B Standard Error P value 95% Confidence Interval
Lower Bound Upper Bound
Subjective sleep quality −0.632 0.294 0.033* −1.212 −0.052
Sleep latency −0.633 0.219 0.004* −1.065 −0.201
Sleep duration −0.287 0.215 0.184 −0.711 0.138
Habitual sleep efficiency 0.048 0.211 0.822 −0.369 0.464
Sleep disturbances 0.504 0.295 0.090 −0.079 1.086
Use of sleeping medicine 0.010 0.155 0.948 −0.296 0.316
Daytime Dysfunction −0.694 0.236 0.004* −1.160 −0.227
  1. PSQI – Pittsburg sleep quality index; WHOQOL-BREF – World Health Organization Quality of Life - BREF
  2. *P value < 0.05