PMC:4536239 / 9350-11515 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/4536239","sourcedb":"PMC","sourceid":"4536239","source_url":"https://www.ncbi.nlm.nih.gov/pmc/4536239","text":"Our interviewers approached 7,430 individuals and 3,114 of them accepted the survey (rejection rate of 58.1 %). After 352 individuals suspended the interview, 2,695 subjects completed the survey (cooperation rate, 36.2 %; Fig. 1). The distributions of age, gender, size of residential area, and educational level were not significantly different from those of the general population of Korea (Fig. 1 and Table 1).\nFig. 1 Flow chart depicting the participation of subjects in the Korean Headache-Sleep Study. RLS: restless legs syndrome\nTable 1 Sociodemographic distribution of all survey participants, the total Korean population, and of cases identified as migraine and restless legs syndrome\nSample number Total population p-value Migraine Restless legs syndrome\nN (%) N (%) N (% , 95 % CI) N (% , 95 % CI)\nGender\nMen 1345 (49.3a) 16,357,919 (50.6) 0.42b 36 2.7, 1.8–3.5 56 4.1, 3.0–5.1\nWomen 1350 (50.7a) 15,998,828 (49.4) 107 7.9, 6.5–9.4 86 6.4, 5.1–7.7\nAge\n19–29 542 (20.5a) 7,179,648 (22.2) 0.76b 25 4.5, 2.8–6.2 12 2.2, 1.0–3.4\n30–39 604 (21.9a) 7,767,141 (24.0) 42 7.0, 5.0–9.1 34 5.6, 3.7–7.4\n40–49 611 (23.1a) 8,012,377 (24.8) 39 6.5, 4.5–8.4 20 3.3, 1.9–4.7\n50–59 529 (18.9a) 5,737,344 (17.7) 22 4.1, 2.4–5.9 35 6.5, 4.4–8.7\n60–69 409 (15.6a) 3,660,237 (11.3) 15 3.9, 2.0–5.7 41 10.2, 7.3–13.1\nSize of residential area\nLarge city 1,248 (46.3a) 1,5606,652 (48.2) 0.92b 76 6.1, 4.8–7.5 66 5.3, 4.1–6.5\nMedium-to-small city 1,186 (44.0a) 1,4106,687 (43.6) 48 4.0, 2.9–5.1 58 4.9, 3.7–6.1\nRural area 261 (9.7a) 264,307 (8.2) 19 7.4, 4.2–10.6 18 6.8, 3.7–9.8\nEducational level\nMiddle school or less 393 (14.9a) 6,147,782 (19.0) 0.75b 22 5.5, 3.3–7.7 41 10.5, 7.5–13.5\nHigh school 1,208 (44.5a) 14,172,255 (43.8) 60 5.0, 3.8–6.3 62 5.1, 3.8–6.3\nCollege or more 1,068 (39.6a) 1,2036,710 (37.2) 60 5.6, 4.3–7.0 38 3.6, 2.5–4.7\nTotal 2,695 (100.0a) 32,356,747 (100.0) 143 5.3, 4.5–6.2 142 5.3, 4.4–6.1\nCI confidence interval\naAdjusted after age, gender, size of residential area and educational level\nbCompared gender, age group, size of residential area, and educational level distributions between the sample of the present study and total population of 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