Skip to main content

Table 1 Descriptive statistics for survey respondents, number (%) unless otherwise stated

From: Association of excessive daytime sleepiness with migraine and headache frequency in the general population

  N  
Age in years, mean (SD) 21,177 50.5 (15.6)
Gender, women 21,177 11,120 (53)
Epworth sleepiness scale score, mean (SD) 21,177 6.7 (4.0)
Epworth sleepiness scale score >10 21,177 3,501 (17)
Migraine 19,833 5,258 (27)
Headache frequency (days last year) 20,021  
 None   4,559 (23)
 1-11   8,109 (41)
 12-30   3,547 (18)
 31-84   2,280 (11)
 85-179   951 (5)
 180 days or more   575 (3)
Body mass index in kg/m2, mean (SD) 20,818 25.8 (4.2)
Comorbidity   
 Symptoms of depression 20,476 1,401 (7)
 Myocardial infarction 20,686 814 (4)
 Stroke 19,938 536 (3)
 Angina pectoris 20,681 978 (5)
 Hypertension 20,868  
  No   14,903 (71)
  Yes   3,591 (17)
  Unkown   2,374 (11)
 Diabetes 20,685 934 (5)
 Allergy 20,121 6,564 (33)
 Asthma 19,156 2,287 (12)
 Treated for sleep disorder 20,749 1,251 (6)
Smoking (cigarettes per day) 17,286  
 None   11,902 (69)
 0─10   2,867 (17)
 11─20   2,252 (13)
 >20   265 (2)
Average nightly hours slept, mean (SD) 20,907 7.0 (1.1)
Average nightly hours slept, categorized   
 <6   1,750 (8)
 6-8   17,541 (83)
 >8   1,886 (9)