Table 5.
Prevalence of atopy by asthma control measures, and associated odds ratios for the relationship between the outcome measures and sensitization among U.S. adult asthmatics (aged 55 and older vs. 20–40 years old)
| Outcome – Asthma control measures | Percent (SE) atopic among those with outcome, ≥55 (N=43) | Percent (SE) atopic among those with outcome, 20–40 (N=108) | Adjusted OR (95% CI), ≥551 | Adjusted OR (95% CI), 20–401 | Interaction p-value2 |
|---|---|---|---|---|---|
| Health care utilization - in past 12 months | |||||
| 1 or more ER/urgent care visits | 100.03 | 71.5 (12.6) | 3 | 0.72 (0.10–4.98) | 3 |
| 1 or more MD/ER visits for wheezing | 58.7 (14.2) | 72.8 (8.7) | 0.68 (0.14–3.37) | 0.59 (0.18–1.90) | 0.909 |
| Medication use for wheezing | 49.5 (10.3) | 75.2 (5.1) | 0.27 (0.10–0.72) | 1.08 (0.36–3.21) | 0.108 |
| Any utilization category above | 55.3 (10.0) | 72.1 (4.9) | 0.43 (0.18–1.00) | 0.60 (0.21–1.70) | 0.568 |
| Symptoms - in past 12 months | |||||
| Limited activities due to wheezing | 50.3 (16.3) | 78.0 (8.4) | 0.35 (0.05–2.31) | 0.85 (0.22–3.34) | 0.301 |
| 1 or more wheezing attacks | 66.0 (9.8) | 71.3 (5.4) | 0.95 (0.26–3.45) | 0.32 (0.07–1.44) | 0.353 |
| Any sleep disturbance due to wheezing | 64.2 (15.8) | 78.2 (5.9) | 0.81 (0.17–3.93) | 1.06 (0.29–3.87) | 0.610 |
| Chest sounding wheezy after exercise | 33.8 (18.1) | 69.9 (6.7) | 0.17 (0.03–1.00) | 0.44 (0.08–2.39) | 0.295 |
1
OR and confidence interval adjusted for sex, race/ethnicity, and education
2
p value is for age group-by-atopy interaction adjusted for sex, race/ethnicity, and education, age groups are 20–40 and ≥55
3
SE, OR, and p-value not reported due to zero cell count