Table 4.
Intraclass correlation coefficient between insomnia scales
| RIS | AIS | ISI | MOS-SS | ||
|---|---|---|---|---|---|
| RIS | ICC (CI) | N/A | 0.750 (0.711–0.783) | 0.875 (0.856–0.892) | −3.378 (−4.050--2.796) |
| p-value | < 0.001 | < 0.001 | 1.000 | ||
| AIS | ICC (CI) | 0.750 (0.711–0.783) | N/A | 0.767 (0.731–0.798) | −0.978 (−1.282--0.715) |
| p-value | < 0.001 | < 0.001 | 1.000 | ||
| ISI | ICC (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 | < 0.001 | 1.000 | ||
| MOS-SS | ICC (CI) | −3.378 (−4.050- -2.796) | −0.978 (−1.282- -0.715) | −2.406 (− 2.929--1.953) | N/A |
| p-value | 1.000 | 1.000 | 1.000 |
ICC Intraclass Correlation coefficient, CI 95% Confidence interval, N/A Not Applicable
AIS Athens Insomnia Scale, ISI Insomnia Severity Index, RIS Regensburg Insomnia Scale, MOS-SS Medical Outcomes Study Sleep Scale