Table 2.

Observed 1-year prevalence (% [95% confidence interval]) by gender, age and habitation, and by headache type

	Migraine (n = 253)	TTH (n = 263)	Any headache on ≥15d/m (n = 207)	pMOH (n = 138)	Any headache yesterday (n = 307)
All	23.3 [20.9-25.9]	24.2 [21.8-26.9]	19.1 [16.9-21.5]	12.7 [10.9-14.8]	28.3 [25.7-31.1]
Gender
Male	18.0 [14.7-21.8]	27.8 [23.8-32.1]	14.9 [11.9-18.5]	9.3 [7.0-12.4]	21.3 [17.8-25.3]
Female	27.1 [23.8-30.7]	21.7 [18.7-25.1]	22.1 [19.0-25.4]	15.1 [12.5-18.1]	33.1 [29.5-36.8]
Age (yr)
18-29	24.9 [20.7-29.5]	24.3 [20.2-29.0]	14.6 [11.3-18.6]	7.0 [4.8-10.1]	24.9 [20.7-29.5]
30-39	22.1 [18.1-26.7]	27.7 [23.3-32.5]	17.5 [13.9-21.7]	12.5 [9.4-16.3]	28.0 [23.6-32.8]
40-49	26.6 [21.0-33.0]	23.2 [17.9-29.4]	20.2 [15.4-26.3]	15.5 [11.1--21.1]	30.0 [24.1-36.5]
50-65	17.7 [12.3-24.7]	17.0 [11.7-26.5]	32.7 [25.6-40.6]	23.8 [17.6-31.3]	34.7 [27.5-42.7]
Habitation
Rural	21.7 [16.5-28.0]	22.7 [17.4-29.1]	4.0 [1.9-7.9]	2.0 [0.6-5.3]	11.6 [7.8-16.9]
Urban	23.7 [21.0-26.6]	24.6 [21.9-27.5]	22.4 [19.8-25.3]	15.1 [12.9-17.6]	32.1 [29.1-35.3]

TTH: tension-type headache; pMOH: probable medication-overuse headache; d/m: days/month.