Table 1 Baseline characteristics of study participants according to status of peripheral vertigo
Characteristics | Total (NÂ =Â 452,053) | No vertigo (NÂ =Â 449,546) | Peripheral vertigo (NÂ =Â 2507) | p value | |||
|---|---|---|---|---|---|---|---|
| Â | Â | Â | BPV (NÂ =Â 1048) | MD (NÂ =Â 1025) | Others (NÂ =Â 230) | VN (NÂ =Â 204) | Â |
Sex | Â | Â | Â | Â | Â | Â | < 0.001 |
 Female | 240,550 (53.2) | 239,038 (53.2) | 672 (64.1) | 612 (59.7) | 124 (53.9) | 104 (51.0) |  |
 Male | 211,503 (46.8) | 210,508 (46.8) | 376 (35.9) | 413 (40.3) | 106 (46.1) | 100 (49.0) |  |
Age at recruitment (years) | Â | Â | Â | Â | Â | Â | < 0.001 |
 Mean (SD) | 57.1 (8.1) | 57.1 (8.1) | 61.1 (7.1) | 60.3 (7.2) | 59.9 (7.7) | 59.0 (8.1) |  |
 Range | 37.4–73.7 | 37.4–73.7 | 40.3–70.2 | 40.4–70.1 | 41.0–70.0 | 40.5–70.1 |  |
Educational attainment | Â | Â | Â | Â | Â | Â | < 0.001 |
 College | 146,495 (32.4) | 145,901 (32.5) | 239 (22.8) | 254 (24.8) | 57 (24.8) | 44 (21.6) |  |
 Tertiary | 146,316 (32.4) | 145,546 (32.4) | 320 (30.5) | 314 (30.6) | 67 (29.1) | 69 (33.8) |  |
 Secondary | 74,548 (16.5) | 74,125 (16.5) | 166 (15.8) | 176 (17.2) | 46 (20.0) | 35 (17.2) |  |
 Blow secondary | 75,350 (16.7) | 74,697 (16.6) | 297 (28.3) | 253 (24.7) | 52 (22.6) | 51 (25.0) |  |
 Unknown | 9344 (2.1) | 9277 (2.1) | 26 (2.5) | 28 (2.7) | 8 (3.5) | 5 (2.5) |  |
Annual income (pound) | Â | Â | Â | Â | Â | Â | < 0.001 |
 31,000 or more | 202,912 (44.9) | 202,151 (44.9) | 303 (19.0) | 334 (32.5) | 57 (24.8) | 67 (32.9) |  |
 18,000 to 30,999 | 97,051 (21.5) | 96,471 (21.5) | 230 (21.9) | 233 (22.7) | 58 (25.2) | 59 (28.9) |  |
 Less than 18,000 | 82,593 (18.3) | 81,921 (18.2) | 292 (27.9) | 264 (25.8) | 72 (31.3) | 44 (21.6) |  |
 Unknown | 69,497 (15.4) | 69,003 (15.3) | 223 (21.3) | 194 (18.9) | 43 (18.7) | 34 (16.7) |  |
Townsend deprivation index | Â | Â | Â | Â | Â | Â | 0.002 |
 High | 150,507 (33.3) | 149,589 (33.3) | 394 (37.6) | 351 (34.2) | 104 (45.2) | 69 (33.8) |  |
 Median | 150,507 (33.3) | 149,686 (33.3) | 333 (31.8) | 351 (34.2) | 64 (27.8) | 73 (35.8) |  |
 Low | 150,507 (33.3) | 149,740 (33.3) | 321 (30.6) | 323 (31.5) | 61 (26.5) | 62 (30.4) |  |
 Unknown | 532 (0.1) | 531 (0.1) | 0 (0.0) | 0 (0.0) | 1 (0.4) | 0 (0.0) |  |