Table 1.

Basic characteristics of the Danish population aged 25–80 years in the period 2003–2011 by triptan use.

		Non-users				Users
		%a	105 person-years	No. of events	Incidence 102 person-yearsb	%a	105 person-years	No. of events	Incidence 102 person-yearsb
All			318.18	48,627	1.51		11.05	1084	1.36
Sex	Male	50.77	161.51	28,676	1.84	20.54	2.27	328	1.83
	Female	49.23	156.67	19,951	1.20	79.46	8.78	756	1.22
Income (quintile)	1st	19.9	63.29	11,594	1.84	18.42	2.03	264	1.77
	2nd	20.04	63.75	11,083	1.72	19.53	2.16	225	1.45
	3rd	20.04	63.78	9754	1.51	19.82	2.19	214	1.50
	4th	20.03	63.75	8653	1.34	20.46	2.26	196	1.30
	5th	19.99	63.64	7543	1.17	21.77	2.41	185	0.95
Education	Basic	10.74	34.20	1797	1.53	12.18	1.35	90	0.41
	Vocational	61.08	194.28	38,468	1.17	55.56	6.14	741	1.07
	Higher	25.56	81.43	7178	1.63	30.51	3.37	232	1.43
	Unknown	2.62	8.33	1184	1.58	1.75	0.19	21	1.44
Age (years)	≤ 35	20.79	66.30	598	0.09	18.92	2.09	35	0.17
	36–47	26.07	83.10	3110	0.37	33.87	3.74	209	0.56
	48–61	27.98	89.08	12,223	1.37	34.08	3.77	434	1.15
	≥ 62	25.16	79.70	32,696	4.10	13.13	1.45	406	2.81

^aPercentages of non-users and users of triptan in the total population.

^bAge-adjusted incidence with direct standardization by use of the whole Danish cohort as the reference population.