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Table 2 Univariate and multivariable logistic regression analyses of risk factors for withdrawal symptoms

From: Prevalence of and factors associated with acute withdrawal symptoms after 24 weeks of eszopiclone treatment in patients with chronic insomnia: a prospective, interventional study

 

Univariate

Multivariable

OR

95%CI

χ2 value

p-value

OR

95%CI

χ2 value

p-value

ISI score at Week 24

1.169

1.012, 1.350

4.493

0.034

    

Age (per 10 years)

0.778

0.416, 1.457

0.615

0.433

    

Sex (female)

2.743

0.516, 14.58

1.401

0.237

    

History of insomnia (per 1 year)

0.895

0.654, 1.227

0.474

0.491

    

Bendep-PPL score

1.664

1.113, 2.489

6.148

0.013

1.650

1.105, 2.464

5.996

0.014

  1. Abbreviations: 95%CI 95% confidence interval, ISI Insomnia severity index, OR Odds ratio, PPL “problematic use”, “preoccupation”, and “lack of compliance”