Table 1 Comparing demographic and clinical characteristics of participants with and without accidental exposures
From: Accidental exposures to peanut in a large cohort of Canadian children with peanut allergy
With AE n = 429 | Without AE n = 1512 | Difference (95% CI) | |
|---|---|---|---|
Male, % | 62.0 | 62.2 | −0.2 (−5.4, 5.0) |
Ethnicity, % Caucasian | 86.5 | 88.5 | −2.0 (−5.6, 1.6) |
Age at diagnosis,* years, mean (SD) | 2.3 (2.1) | 2.1 (1.7) | 0.2 (0, 0.4) |
Age at initial questionnaire, years, mean (SD) | 6.2 (3.9) | 7.1 (4.0) | −0.9 (−1.3, −0.4) |
Disease duration at initial questionnaire, years, mean (SD) | 3.9 (3.7) | 5.0 (4.0) | −1.1 (−1.5, −0.7) |
Observation interval, years, mean (SD) | 2.6 (1.4) | 2.3 (1.4) | 0.3 (0.2, 0.4) |
Age ≥ 13 years at initial questionnaire, % | 8.9 | 9.9 | −1.0 (−4.1, 2.1) |
Recruited through allergy associations, % | 32.2 | 37.0 | −4.8 (−9.8, 0.2) |
Personal history of eczema, % | 51.3 | 51.7 | −0.4 (−5.7, 5.0) |
Personal history of asthma, % | 45.7 | 49.9 | −4.2 (−9.5, 1.2) |
Personal history of rhinitis, % | 33.6 | 35.6 | −2.0 (−7.1, 3.1) |
Personal history of other food allergy, % | 45.9 | 51.9 | −6.0 (−11.3, −0.7) |
Initial reaction moderate/severe, **% | 58.9 | 69.1 | −10.2 (−15.4, −5.0) |
Initial reaction severe, % | 11.2 | 14.5 | −3.3 (−6.8, 0.2) |
Attending a school prohibiting peanut, % | 80.3 | 80.2 | 0.1 (−4.4, 4.6) |
Single parent household, % | 8.4 | 6.6 | 1.8 (−1.2, 4.8) |
Age of parents, years, mean (SD) | 38.6 (5.8) | 39.2 (5.7) | −0.7 (−1.3, −0.1) |
Mother’s education and work status, % | |||
Post-secondary education | 87.4 | 88.7 | −1.3 (−4.8, 2.3) |
Completed university | 60.7 | 61.0 | −0.3 (−5.5, 5.0) |
Currently employed | 68.7 | 70.1 | −1.5 (−6.6, 3.7) |
Father’s education and work status, % | |||
Post-secondary education | 78.0 | 79.5 | −1.5 (−6.0, 3.0) |
Completed university | 51.6 | 53.8 | −2.2 (−7.6, 3.3) |
Currently employed | 88.8 | 91.6 | −2.8 (−6.2, 0.7) |