Table 3. Headache treatment patterns among individuals with migraine in the 2009 Korean Headache Survey and the 2018 Korean Sleep-Headache Survey.

	2009 (n=91)	2018 (n=114)	p
No treatment	29 (33.0)	30 (26.3)	0.298
OTC medications	47 (50.0)	62 (54.4)	0.533
Traditional Korean medical clinic	3 (3.3)	4 (3.5)	1.000
Alternative medicine	0 (0.0)	4 (3.5)	0.131
Clinics or hospitals	17 (19.8)	20 (17.5)	0.682

Data are n (%) values.

OTC: over-the-counter.