Skip to main content
. 2022 Jan 10;12:426. doi: 10.1038/s41598-021-04250-3

Table 1.

Sociodemographic distributions of the survey participants, total Korean population, and cases identified as those of migraine and probable migraine.

Survey participants N (%) Total Korean population N (%) P value Migraine, N, % (95% CI) Probable migraine, N, % (95% CI)
Men 1551 (51.2) 15,529,105 (51.2)  > 0.999 41, 2.6 (1.8–3.4) 130, 8.4 (7.0–9.7)
Women 1479 (48.8) 14,778,651 (48.8) 129, 8.7 (7.2–10.2) 207, 14.0 (12.5–16.3)
Age (years)
20–29 673 (22.2) 6,719,119 (22.1)  > 0.999 34, 5.1 (3.4–6.7) 69, 10.3 (8.0–12.6)
30–39 685 (22.6) 6,839,377 (22.6) 44, 6.4 (4.6–8.3) 86, 12.6 (10.1–15.0)
40–49 819 (27.0) 8,208,901 (27.1) 60, 7.3 (5.5–9.1) 99, 12.1 (9.9–14.3)
50–59 853 (28.2) 8,540,359 (28.2) 32, 3.8 (2.5–5.0) 83, 10.4 (8.2–12.6)
Size of residential area
Large city 1364 (45.0) 13,667,248 (45.1) 0.488 65, 4.8 (3.6–5.9) 161, 12.0 (10.3–13.8)
Medium-to-small city 1376 (45.4) 12,143,800 (40.1) 86, 6.3 (5.0–7.5) 146, 10.8 (9.1–12.5)
Rural area 290 (9.6) 4,496,708 (14.8) 19, 6.6 (3.7–9.4) 30, 10.3 (6.8–13.9)
Education level
High school or less 1212 (40.0) 12,395,872 (40.9) 0.897 66, 5.4 (4.1–6.7) 131, 11.3 (9.4–13.2)
College or more 1818 (60.0) 17,911,884 (59.1) 104, 5.7 (4.7–6.8) 206, 11.3 (9.8–12.8)
Total 3030 (100.0) 30,307,756 (100.0) 170, 5.6 (4.8–6.4) 337, 11.1 (10.2–12.5)

CI: confidence interval.