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Table 1 Prevalence of migraine by socio-demographic variables among Spanish adults, according to the 2006 Spanish National Health Survey (SNHS) (n = 29,478)

From: Population-based study of migraine in Spanish adults: relation to socio-demographic factors, lifestyle and co-morbidity with other conditions

Variable Categories n Prevalence (%) Crude OR 95% CI
Sex Male 11,645 5.91 1  
Female 17,833 15.94 3.02 2.68–3.40
Age 16–30 years 4,536 8.95 1  
31–50 years 11,170 12.11 1.40 1.20–1.63
51–70 years 8,198 11.73 1.35 1.15–1.59
>70 years 5,574 10.33 1.17 0.98–1.40
Marital status Unmarried 7,425 8.85 1  
Married 16,731 11.80 1.38 1.21–1.56
Widow 3,672 12.73 1.50 1.26–1.79
Separated/divorced 1,583 14.66 1.77 1.42–2.20
Educational level University 4,452 8.83 1  
Secondary 10,617 10.19 1.17 1.00–1.37
Primary 10,186 11.65 1.36 1.16–1.59
No studies 4,086 15.51 1.90 1.58–2.28
Occupational status Employed 13,624 9.67 1  
Unemployed 1,840 13.46 1.45 1.20–1.76
Retired 8,040 10.77 1.12 0.99–1.27
Student 1,126 7.90 0.80 0.60–1.06
Home duties 4,525 17.16 1.93 1.70–2.19
Monthly income >1,800 € 6,630 9.05 1  
1,200–1,800€ 6,551 11.56 1.31 1.13–1.53
<1,200 € 13,024 12.25 1.40 1.23–1.59
Migraine No 26,045 88.98 NA NA
Yes 3,433 11.02 NA NA
  1. NA not available, CI confidence interval