Table 1 Sociodemographic characteristics and RLS status in participants with TTH and participants with non-headache
From: Restless legs syndrome and tension-type headache: a population-based study
| Â | All participants, | Participants with TTH, N (%) | Participants with non-headache, N (%) | P a |
|---|---|---|---|---|
N | Â | Â | Â | |
Sex | Â | Â | Â | <0.001 |
 Male | 1345 | 268 (19.9) | 838 (62.3) |  |
 Female | 1350 | 302 (22.3) | 584 (43.3) |  |
Age | Â | Â | Â | 0.405 |
 19–29 | 542 | 119 (22.0) | 286 (52.8) |  |
 30–39 | 604 | 127 (21.0) | 293 (48.5) |  |
 40–49 | 611 | 131 (21.4) | 295 (48.3) |  |
 50–59 | 529 | 107 (20.2) | 303 (57.3) |  |
 60–69 | 409 | 86 (21.0) | 245 (59.9) |  |
Size of the residential area | Â | Â | Â | 0.009 |
 Large city | 1248 | 251 (20.1) | 647 (51.8) |  |
 Small-to-medium city | 1186 | 243 (20.5) | 650 (54.8) |  |
 Rural area | 261 | 76 (29.1) | 125 (47.9) |  |
Education level | Â | Â | Â | 0.345 |
 Middle school or lower | 393 | 96 (24.5) | 208 (52.4) |  |
 High school | 1208 | 247 (20.5) | 646 (53.5) |  |
 College or higher | 1068 | 223 (20.9) | 551 (51.6) |  |
 No response | 26 | 4 (15.4) | 19 (73.1) |  |
RLS | 142 | 34 (6.0) | 51 (3.6) | 0.018 |