Table 2.
Asthma outcomes by allergic rhinitis status.
| Dependent variables | Analytic sample N = 1030 | Allergic rhinitis N = 646 | No Allergic rhinitis N = 383 | p-value | Beta, 95% CI, p |
|---|---|---|---|---|---|
| Continuous variables | |||||
| Number of symptom-free days in past 2 weeks, mean (SD) | 7.6 (4.9) | 7.2 (4.9) | 8.4 (4.9) | <0.001 | −1.27 (−1.90, −0.64), p < 0.001 |
| Number of days with daytime asthma symptoms in past 2 weeks, mean (SD) | 4.3 (4.5) | 4.7 (4.6) | 3.7 (4.3) | <0.001 | 1.06 (0.50, 1.63), p < 0.001 |
| Number of days with nighttime asthma symptoms in past 2 weeks, mean (SD) | 3.7 (4.3) | 3.9 (4.3) | 3.4 (4.3) | 0.07 | 0.68 (0.13, 1.23), p = 0.02 |
| Number of days in past 2 weeks on which rescue medication was used, mean (SD) | 4.1 (4.7) | 4.5 (4.7) | 3.4 (4.5) | <0.001 | 1.07 (0.49, 1.65), p < 0.001 |
| Number of days in past 2 weeks on which activity was limited, mean (SD) | 3.2 (4.0) | 3.6 (4.2) | 2.5(3.6) | <0.001 | 1.07 (0.58, 1.56), p < 0.001 |
| FeNO ppb, mean (SD) | 22.9 (25.4) | 26.0 (28.1) | 17.6 (18.9) | <0.001 | 6.06 (2.64, 9.49), p = 0.001 |
| Dichotomous variables | |||||
| AOR, 95% CI, p | |||||
| Missed school due to asthma * | 0.04 | 1.63 (1.03,2.53), p = 0.03 | |||
| Did not miss any school due to asthma | 499 (80.7%) | 296 (78.1%) | 203 (84.9%) | ||
| Missed ≥1 school day due to asthma | 119 (19.3%) | 83 (21.9%) | 36 (15.1%) | ||
| ED visit due to asthma | 0.20 | 1.34 (1.03, 1.74), p = 0.03 | |||
| No ED visits due to asthma | 710 (69.1%) | 437 (67.7%) | 273 (71.5%) | ||
| At least 1 ED visit due to asthma | 318 (30.9%) | 209 (32.4%) | 109 (28.5%) | ||
| Hospitalization due to asthma | 0.01 | 2.72 (1.22, 6.04), p = 0.01 | |||
| No hospitalization due to asthma | 985 (95.8%) | 610 (94.6%) | 375 (97.9%) | ||
| At least 1 hospitalization due to asthma | 43 (4.2%) | 35 (5.4%) | 8 (2.1%) | ||
| Urgent care visit due to asthma | 0.35 | 1.22 (0.93, 1.58), p = 0.15 | |||
| No urgent care visit due to asthma | 428 (41.6%) | 261 (40.5%) | 167 (43.6%) | ||
| At least 1 urgent care visit due to asthma | 599 (58.2%) | 383 (59.5%) | 216 (56.4%) | ||
| Elevated FeNO | <0.001 | 1.59 (1.14, 2.23), p = 0.006 | |||
| Normal FeNO (<20) | 458 (62.9%) | 265 (57.9%) | 193 (71.5%) | ||
| Elevated FeNO (≥20) | 270 (37.0%) | 193 (42.1%) | 77 (28.5% | ||
Multivariate linear and logistic regression models adjusted for child characteristics: race, ethnicity, sex, age, smoke exposure and insurance and caregiver characteristics: age, educational attainment, and marital status.
*
SB-TEAM excluded from sample.