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Table 5 Odds for having EDS, defined as ESS > 10. Penalized maximum likelihood logistic regression

From: Excessive daytime sleepiness in secondary chronic headache from the general population

  

Bivariate (n = 81–86)

  

Multivariable (n = 81)

 

Covariate

n

Odds ratio

95% CI

P

n

Odds ratio

95% CI

P

Headache type

 Posttraumatic/cervicogenica

47

1

  

45

1

  

 Rhinosinusitis

39

1.27

(0.48 to 3.39)

0.63

36

1.71

(0.55 to 5.35)

0.35

Medication-overuse

 Noa

42

1

  

41

1

  

 Yes

44

0.44

(0.16 to 1.21)

0.11

40

0.44

(0.16 to 1.25)

0.12

Propensity score (age, sex, headache frequency, migraine)

81

0.77

(0.07 to 8.33)

0.83

81

0.35

(0.02 to 5.53)

0.45

  1. aReference category