Sociodemographic differences in medication use, health-care contacts and sickness absence among individuals with medication-overuse headache

Table 3 Medication use among individuals with medication-overuse headache (MOH), illustrated by the proportions using over-the-counter (OTC) acute medications and prophylactic medication

Parameter	Total (n)	Proportion only buying OTC (n = 785)		Proportion using prophylactics (n = 782)
Parameter	Total (n)	n	%	n	%
Total	799	370	47.1	83	10.6
Sex
Men	190	83	45.6	22	12.0
Women	609	287	47.6	61	10.2
Age (years)
15–20	23	18	78.3^a,b,c	0	0.0
21–29	46	32	71.1^f,g,h,i,j	5	10.9
30–39	114	59	53.2^a,f,k,l	14	12.5
40–49	192	92	48.4^b,g	22	11.7
50–64	284	119	42.8^c,h	28	10.1
65–74	89	33	37.1^d,i,k	8	9.3
≥75	50	17	34.7^e,j,l	5	10.2
Missing	1	0	–	1	–
Education
Elementary school	296	114	39.4^m,n	22	7.7^p
High school	315	160	51.4^m	35	11.2
University	182	93	52.0ⁿ	26	14.4^p
Missing	6	3	–	0	–
Primary headache
Migraine	394	167	43.2^o	53	13.6^q
Other headache	280	148	52.9^o	18	6.4^q
Missing	125	55	–	12	–

Values marked with the same letter are significantly different from each other (Pearson Chi square test was used): ^ap 0.027, ^bp = 0.0068, ^cp = 0.0010, ^dp < 0.001, ^ep < 0.001, ^fp = 0.039, ^gp = 0.0061; ^hp < 0.001, ⁱp = <0.001, ^jp = <0.001, ^kp = 0.023, ^lp = 0.031, ^mp = 0.0032, ⁿp = 0.0081, ^op = 0.010, ^pp = 0.021, ^qp = 0.0032)

ISSN: 1129-2377