Table 1 Demographic and clinical characteristics of the study population
|  | Total N = 1084 n (%) | Clinical AR N = 167 n (%)a | Clinical NAR N = 340 n (%)b | Non self-reported rhinitis N = 577 n (%)c |
|---|---|---|---|---|
Gender | ||||
 Male | 405 (37.36) | 68 (40.72) | 139 (40.88) | 198 (34.32) |
 Female | 679 (62.64) | 99 (59.28) | 201 (59.12) | 379 (65.68) |
Age (years) | ||||
 ≤ 14 | 56 (5.17) | 9 (5.39) | 19 (5.59) | 28 (4.85) |
 15–29 | 99 (9.13) | 14 (8.38) | 20 (5.88) | 65 (11.27) |
 30–44 | 294 (27.12) | 59 (35.33) | 67 (19.71) | 168 (29.12) |
 45–60 | 624 (57.56) | 82 (49.10) | 232 (68.24) | 310 (53.73) |
 > 60 | 9 (0.83) | 2 (1.20) | 1 (0.29) | 6 (1.04) |
Yearly income (Chinese yuan) | ||||
 Minimum (< 4604) | 283 (26.11) | 46 (27.54) | 18 (5.29) | 37 (6.41) |
 Low (4604–9568) | 67 (6.18) | 12 (7.19) | 14 (4.12) | 39 (6.76) |
 Below-moderate (9568–12,978) | 65 (6.00) | 12 (7.19) | 30 (8.82) | 71 (12.31) |
 Moderate (12,978–17,684) | 112 (10.33) | 11 (6.59) | 24 (7.06) | 56 (9.71) |
 Above-moderate (17,684–24,106) | 89 (8.21) | 9 (5.39) | 24 (7.06) | 32 (5.55) |
 High (24,106–40,019) | 68 (6.27) | 12 (7.19) | 19 (5.59) | 21 (3.64) |
 Maximum (> 40,019) | 52 (4.80) | 12 (7.19) | 18 (5.29) | 37 (6.41) |
Medical history | ||||
 Asthma | 40 (3.69) | 13 (7.78) | 20 (5.88) | 7 (1.21) |
 Atopic dermatitis | 99 (9.13) | 28 (16.77) | 50 (14.71) | 21 (3.64) |
 CRS | 71 (6.55) | 21 (12.57) | 35 (10.29) | 15 (2.60) |
Family history | ||||
 AR | 85 (7.84) | 30 (17.96) | 39 (11.47) | 16 (2.77) |
 Asthma | 44 (4.06) | 8 (4.79) | 24 (7.06) | 12 (2.08) |
 Atopic dermatitis | 53 (4.89) | 16 (9.58) | 23 (6.76) | 14 (2.43) |
 CRS | 45 (4.15) | 9 (5.40) | 22 (6.47) | 14 (2.43) |
Smoking habit | ||||
 Smoker | 191 (17.62) | 32 (19.16) | 74 (21.76) | 88 (15.25) |
 Non-smoker | 833 (76.85) | 132 (79.04) | 257 (75.59) | 489 (84.75) |