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Table 7 Spearman’s rank correlation coefficient between the AIS, ESS, and ISI results in the studied group in general

From: Sleep disorders among educationally active elderly people in Bialystok, Poland: a cross-sectional study

 

AIS

ESS

ISI

rs

p

rs

p

rs

p

AIS

–

–

0.261

< 0.001*

0.795

< 0.001*

ESS

0.261

< 0.001*

–

–

0.331

< 0.001*

ISI

0.795

< 0.001*

0.331

< 0.001*

–

–

  1. Abbreviations: AIS Athens Insomnia Scale, ESS Epworth Sleepiness Scale, ISI Insomnia Severity Index, rs Spearman’s rank correlation coefficient, p p-value, * statistically significant value