Table 3 Demographic descriptive statistics of WNV infected subjects
Variable | WNV infected N (%) | WNV infected, WNND N (%) | WNV infected, non-WNND N (%) |
|---|---|---|---|
Subjects | 1540 (100) | 317 (100) | 1223 (100) |
Mean age at index date, years ± SD | 49.1 ± 18.4 | 53.5 ± 20.9 | 47.3 ± 17.5 |
< 5 | 26 (1.7) | 6 (1.9) | 20 (1.6) |
5–24 | 130 (8.4) | 29 (9.1) | 102 (8.3) |
25–44 | 444 (28.8) | 60 (18.9) | 385 (31.5) |
45–54 | 339 (22.0) | 51 (16.1) | 287 (23.5) |
55–64 | 303 (19.7) | 65 (20.5) | 239 (19.5) |
65–74 | 178 (11.6) | 54 (17.0) | 122 (10.0) |
75–84 | 104 (6.8) | 44 (13.9) | 60 (4.9) |
≥85 | 16 (1.0) | 8 (2.5) | 8 (0.7) |
Sex, female | 778 (50.5) | 128 (40.4) | 650 (53.1) |
Rural residence | |||
 Rural | 61 (4.0) | <10 | 46 (3.8) |
 Non-rural | 1479 (96.0) | 306 (96.5) | 1177 (96.2) |
 Missing |  | ≤5 |  |
Income quintile | |||
 1 (lowest) | 235 (15.3) | 45 (14.2) | 198 (16.2) |
 2 | 312 (20.3) | 67 (21.1) | 227 (18.6) |
 3 | 319 (20.7) | 70 (22.1) | 265 (21.7) |
 4 | 314 (20.4) | 61 (19.2) | 235 (19.2) |
 5 (highest) | 360 (23.4) | 74 (23.3) | 297 (24.3) |