Table 5. Comorbidities according to AR classifications: comparison between mild, moderate to severe, intermittent and persistent AR.
| Comorbidities of AR | Mild vs. moderate to severe | Intermittent vs. persistent | ||||||
|---|---|---|---|---|---|---|---|---|
| Mild | Moderate to severe | Intermittent | Persistent | |||||
| No./total No. (%) | aOR* (95% CI) | No./total No. (%) | aOR* (95% CI) | No./total No. (%) | aOR* (95% CI) | No./total No. (%) | aOR* (95% CI) | |
| Current asthma | 9/223 (4.0) | 1 (reference) | 9/53 (17.0) | 5.26‡ (1.77–15.62) | 13/196 (6.6) | 1 (reference) | 5/80 (6.2) | 0.70 (0.22–2.19) |
| PC20 < 8 mg/mL | 37/198 (18.7) | 1 (reference) | 15/48 (31.3) | 2.32† (1.01–5.32) | 37/169 (21.9) | 1 (reference) | 15/77 (19.5) | 0.80 (0.37–1.72) |
| BHR without current asthma | 33/194 (17.0) | 1 (reference) | 10/43 (23.3) | 1.64 (0.65–4.15) | 30/162 (18.5) | 1 (reference) | 13/75 (17.3) | 0.93 (0.42–2.07) |
| Current eczema | 48/107 (44.9) | 1 (reference) | 11/26 (42.3) | 1.37 (0.42–4.46) | 46/102 (45.1) | 1 (reference) | 13/31 (41.9) | 0.81 (0.27–2.44) |
| Allergic sensitization | 101/213 (47.4) | 1 (reference) | 29/47 (61.7) | 1.59 (0.77–3.28) | 84/183 (45.9) | 1 (reference) | 31/46 (59.7) | 1.83 (0.98–3.42) |
AR, allergic rhinitis; aOR, adjusted odds ratio; CI, confidence interval; BHR, bronchial hyperresponsiveness.
*Adjusted by sex, maternal education levels, parental history of allergic diseases, history of second-hand smoking, residential area, and economic status; †P < 0.05; ‡P < 0.01.