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Table 3 Bivariate analysis of factors associated with the different insomnia scales

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

StressCorrelation coefficient r0.5430.5590.5000.535−0.450
p-value< 0.001< 0.001< 0.001< 0.001< 0.001
DepressionCorrelation coefficient r0.5800.5600.5660.530−0.334
p-value< 0.001< 0.001< 0.001< 0.001< 0.001
AnxietyCorrelation coefficient r0.5950.6210.5180.592−0.436
p-value< 0.001< 0.001< 0.001< 0.001< 0.001
Physical quality of lifeCorrelation coefficient r0.0170.0050.017−0.028− 0.009
Mental quality of lifeCorrelation coefficient r−0.104−0.085−0.046− 0.0530.150
p-value0.0040.0200.2130.150< 0.001
  1. AIS Athens Insomnia Scale, ISI Insomnia Severity Index, PSQI Pittsburgh Sleep Quality Index, RIS Regensburg Insomnia Scale, MOS-SS Medical Outcomes Study Sleep Scale