Table 1.
Demographics characteristics of the study subjects
| Characteristic | Adults | Children | ||||||
|---|---|---|---|---|---|---|---|---|
| Total | MUA | NMUA | P-value | Total | MUA | NMUA | P-value | |
| 3,526 | 658 | 2,868 | 2,261 | 421 | 1,840 | |||
| Gender, n (%) | <0.001 | 0.490 | ||||||
| Male | 1,611 | 254 (15.8) | 1,357 (84.2) | 1,158 | 222 (19.2) | 936 (80.8) | ||
| Female | 1,915 | 404 (21.1) | 1,511 (88.9) | 1,103 | 199 (18.0) | 904 (82.0) | ||
| Race, n (%) | 0.370 | 0.198 | ||||||
| Han | 2,055 | 399 (19.4) | 1,656 (80.6) | 1,102 | 195 (17.7) | 907 (82.3) | ||
| Mongolian | 1,334 | 233 (17.5) | 1,101 (82.5) | 1,037 | 208 (20.1) | 829 (80.0) | ||
| Others | 137 | 26 (19.0) | 111 (81.0) | 122 | 18 (14.8) | 104 (85.3) | ||
| Area of residence, n (%) | <0.001 | <0.001 | ||||||
| Urban | 1,709 | 383 (22.4) | 1,326 (77.6) | 1,151 | 249 (21.6) | 902 (78.4) | ||
| Rura | 1,817 | 275 (15.13) | 1,542 (84.87) | 1,110 | 172 (15.50) | 938 (84.50) | ||
| Family allergy history, n (%) | <0.001 | <0.001 | ||||||
| Yes | 1,131 | 350 (30.95) | 781 (69.05) | 780 | 207 (26.54) | 573 (73.46) | ||
| No | 2,292 | 290 (12.7) | 2,002 (87.4) | 1,427 | 210 (14.7) | 1,217 (85.3) | ||
| Unknown | 103 | 18 (17.5) | 85 (82.5) | 54 | 4 (7.4) | 50 (92.6) | ||
| Allergy-related diseases | ||||||||
| Allergic rhinitis (AR), n (%) | <0.001 | 0.001 | ||||||
| Yes | 1,278 | 308 (24.1) | 970 (75.9) | 621 | 142 (22.9) | 479 (77.1) | ||
| No | 2,248 | 350 (15.6) | 1,898 (84.4) | 1,640 | 279 (17.0) | 1,361 (83.0) | ||
| Conjunctivitis, n (%) | <0.001 | 0.007 | ||||||
| Yes | 1,220 | 271 (22.2) | 949 (77.8) | 412 | 96 (23.3) | 316 (76.7) | ||
| No | 2,306 | 387 (16.8) | 1,919 (83.2) | 1,849 | 325 (17.6) | 1,524 (82.4) | ||
| Chronic urticarial (CU), n (%) | 0.111 | 0.001 | ||||||
| Yes | 191 | 44 (23.0) | 147 (76.9) | 68 | 23 (33.8) | 45 (66.2) | ||
| No | 3,335 | 614 (18.4) | 2,721 (81.6) | 2,193 | 398 (18.2) | 1,795 (81.9) | ||
| Asthma | <0.001 | <0.001 | ||||||
| Yes | 219 | 69 (31.5) | 150 (68.5) | 155 | 50 (32.3) | 105 (67.7) | ||
| No | 3,307 | 589 (17.8) | 2,718 (82.2) | 2,106 | 371 (17.6) | 1,735 (82.4) | ||
Abbreviations: MUA, multiple uses of antibiotics; NMUA, non-MUA.