Table 2. Association between specific IgE antibody levels and atopic disease, The Finnish Environment and Asthma Study (FEAS).
| Phadiatop score | Subjects with atopic disease | Subjects with no atopic disease | ||
| N (%) | N (%) | RR (95% CI) | RRa (95% CI) | |
| Totalb | 350 | 378 | ||
| 0 | 227 (64.9) | 315 (83.3) | 1 | 1 |
| 1–2 | 58 (16.6) | 46 (12.2) | 1.33 (1.00, 1.78) | 1.36 (1.01, 1.82) |
| 3–4 | 60 (17.1) | 16 (4.2) | 1.89 (1.42, 2.51) | 1.93 (1.44, 2.57) |
| >4 | 5 (1.4)* | 1 (0.3) | 1.99 (0.82, 4.83) | 1.91 (0.77, 4.73) |
Abbreviations: CI, confidence interval; IgE, immunoglobulin E; N, number; RR, risk ratio.
*
Cochran-Armitage Trend Test, 2-sided P value <0.001.
a
Risk ratios adjusted for sex, age, education, smoking and SHS exposure (work/home).
b
Total number of atopic and non-atopic subjects having Phadiatop result.