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Table 4 Prevalence of positive IgE tests for the most common foods, in combination with self-reported symptoms for the different foods, according to sex and age distribution (%)

From: Prevalence of food hypersensitivity in relation to IgE sensitisation to common food allergens among the general adult population in West Sweden

Food Type Total (95% CI) Men Women p value Age
17–30 31–45 46–60 > 60 p test for trends
Any of the below IgE 16.0 (13.8–18.3) 18.4 13.9 0.058 24.6 20.6 13.7 10.8 < 0.001
Symptoms and IgE 5.9 (4.5–7.4) 5.1 6.7 0.29 5.6 10.7 6.7 1.8 0.002
Almond IgE 3.0 (1.9–4.0) 3.4 2.6 0.46 3.5 3.6 3.8 1.5 0.17
Symptoms and IgE 0.8 (0.2–1.3) 0.4 1.1 0.30 0.7 2.0 0.7 0.0 0.067
Brazil nut IgE 0.9 (0.3–1.5) 0.9 0.9 1.0 1.4 1.2 0.7 0.6 0..31
Symptoms and IgE 0.4 (0.0–0.8) 0.4 0.4 1.0 0.7 1.2 0.0 0.0 0.044
Egg IgE 1.7 (0.9–2.5) 1.5 1.9 0.81 2.1 0.0 1.7 2.8 0.13
Symptoms and IgE 0.3 (0.0–0.6) 0.2 0.4 1.0 0.0 0.0 0.3 0.6 0.15
Fish IgE 0.0 (0.0–0.0) 0.0 0.0 0.0 0.0 0.0 0.0
Symptoms and IgE 0.0 (0.0–0.0) 0.0 0.0 0.0 0.0 0.0 0.0
Flour (wheat) IgE 2.2 (1.3–3.1) 3.0 1.5 0.13 1.4 2.0 3.4 1.5 0.91
Symptoms and IgE 0.0 (0.0–0.0) 0.0 0.0 0.0 0.0 0.0 0.0
Flour (wheat)b Symptoms and IgE 0.0 (0.0–0.0) 0.0 0.0 0.0 0.0 0.0 0.0
Hazelnut IgE 13.3 (11.2–15.4) 15.0 11.9 0.16 22.5 19.8 11.0 6.5 < 0.001
Symptoms and IgE 5.3 (4.0–6.7) 4.8 5.7 0.58 4.1 9.9 6.2 1.5 0.006
Milk IgE 1.8 (1.0–2.6) 2.1 1.5 0.48 1.4 1.6 1.7 2.2 0.54
Symptoms and IgE 0.1 (− 0.1–0.3) 0.0 0.2 1.0 0.0 0.4 0.0 0.0 0.44
Milka Symptoms and IgE 0.0 (0.0–0.0) 0.0 0.0 0.0 0.0 0.0 0.0
Peanut IgE 4.9 (3.5–6.2) 6.6 3.3 0.018 7.0 5.6 5.5 2.8 0.037
Symptoms and IgE 0.5 (0.1–0.9) 0.2 0.7 0.38 2.1 0.4 0.3 0.0 0.010
Soy IgE 1.6 (0.8–2.4) 2.1 1.1 0.22 1.4 1.6 2.4 0.9 0.68
Symptoms and IgE 0.0 (0.0–0.0) 0.0 0.0 0.0 0.0 0.0 0.0
  1. Significant p values are marked with italic (p < 0.05)
  2. aLactose intolerance symptoms excluded
  3. bGluten intolerance symptoms excluded