Research Article

Factors Associated with the Differences in Migraine Prevalence Rates between Spanish Regions

Table 1

Association analysis of the differences in migraine prevalence by the percentage of population in each region presenting a series of lifestyle habits.

P valueβ (95% CI)Mean (95% CI)

Smoking habits
  Daily smokers0.490.040.04 (0.00–0.09)1.04 (1.00–1.09)
  Occasional smokers0.080.750.05 (0.11–0.21)1.05 (1.12–1.23)
  Ex-smokers 0.10−0.04 (−0.11–0.02)0.96 (0.90–1.02)
  Never-smokers 0.44−0.02 (−0.06–0.03)0.98 (0.94–1.03)
Alcohol consumption
  In preceding 2 weeks 0.11−0.03 (−0.06–0.00)0.97 (0.94–1.00)
  In preceding 12 months 0.03−0.02 (−0.04–0.00)0.98 (0.96–1.00)
Habits
 Leisure-time physical activity 0.03−0.02 (−0.03–0.00)0.98 (0.97–1.00)
 Hours of sleep 0.87−0.21 (−1.61–1.18)0.81 (0.20–3.25)
 Not having breakfast0.110.660.02 (−0.12–0.15)1.02 (0.89–1.17)