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Table 3 Association between each component of PSQI and physical health 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 − 0.913 0.220 < 0.001* − 1.348 - 0.479
Sleep latency − 0.165 0.164 0.315 − 0.489 0.158
Sleep duration −0.151 0.161 0.351 −0.469 0.167
Habitual sleep efficiency 0.121 0.158 0.445 −0.191 0.433
Sleep disturbances −0.060 0.221 0.787 −0.497 0.377
Use of sleeping medicine −0.076 0.116 0.513 −0.305 0.153
Daytime Dysfunction −0.863 0.177 < 0.001* −1.212 − 0.513
  1. PSQI Pittsburg sleep quality index, WHOQOL-BREF World Health Organization Quality of Life - BREF
  2. *P value < 0.05