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Table 4 Intraclass correlation coefficient between insomnia scales

From: Development of the Lebanese insomnia scale (LIS-18): a new scale to assess insomnia in adult patients

  RISAISISIMOS-SS
RISICC (CI)N/A0.750 (0.711–0.783)0.875 (0.856–0.892)−3.378 (−4.050--2.796)
p-value< 0.001< 0.0011.000
AISICC (CI)0.750 (0.711–0.783)N/A0.767 (0.731–0.798)−0.978 (−1.282--0.715)
p-value< 0.001< 0.0011.000
ISIICC (CI)0.875 (0.856–0.892)0.767 (0.731–0.798)N/A−2.406 (−2.929--1.953)
p-value< 0.001< 0.0011.000
MOS-SSICC (CI)−3.378 (−4.050- -2.796)−0.978 (−1.282- -0.715)−2.406 (− 2.929--1.953)N/A
p-value1.0001.0001.000
  1. ICC Intraclass Correlation coefficient, CI 95% Confidence interval, N/A Not Applicable
  2. AIS Athens Insomnia Scale, ISI Insomnia Severity Index, RIS Regensburg Insomnia Scale, MOS-SS Medical Outcomes Study Sleep Scale