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Table 2 Prevalence of self-reported FA in Vietnam

From: Prevalence of food allergy in Vietnam: comparison of web-based with traditional paper-based survey

 

Self-reported FA

Doctor-diagnosed FA

IgE-mediated FA

Web-based survey

Paper-based survey

Difference, P

Web-based survey

Paper-based survey

Difference, P

Web-based survey

Paper-based survey

Difference, P

Any food

27.8 (25.7–29.8)

18.0 (17.2–18.8)

0.0000

5.7 (4.6–6.7)

5.8 (5.4–6.3)

0.7795

4.1 (3.2–5.0)

4.1 (3.7–4.6)

0.9590

Crustacean

13.8 (12.2–15.4)

9.5 (8.9–10.1)

0.0000

3.3 (2.5–4.2)

3.5 (3.2–3.9)

0.6928

2.6 (1.9–3.4

2.6 (2.3–3.0)

0.6277

Fish

11.0 (9.6–12.4)

4.8 (4.3–5.2)

0.0000

2.4 (1.7–3.1)

1.9 (1.6–2.2)

0.1233

1.7 (1.1–2.3)

1.6 (1.3–1.8)

0.3281

Mollusk

8.9 (7.6–10.2)

4.7 (4.3–5.2)

0.0000

2.0 (1.4–2.6)

1.7 (1.4–2.0)

0.3829

1.6 (1.0–2.2)

1.3 (1.1–1.6)

0.8912

Beef

3.0 (2.2–3.8)

2.5 (2.2–2.9)

0.2314

1.1 (0.6–1.6)

1.1 (0.9–1.3)

0.9829

0.8 (0.4–1.2)

0.8 (0.7–1.0)

0.0194

Milk

3.5 (2.7–4.3)

2.5 (2.2–2.9)

0.0186

0.5 (0.2–0.9)

0.8 (0.6–1.0)

0.2612

0.2 (0.0–0.4)

0.7 (0.5–0.8)

0.9465

Egg

2.2 (1.5–2.8)

1.2 (0.9–1.4)

0.0007

0.5 (0.2–0.9)

0.5 (0.4–0.6)

0.8182

0.4 (0.1–0.7)

0.4 (0.5–0.8)

0.7748

Wheat

2.1 (1.4–2.7)

1.2 (0.9–1.4)

0.0019

0.4 (0.1–0.7)

0.4 (0.3–0.6)

0.7933

0.3 (0.0–0.5)

0.3 (0.2–0.4)

0.1638

Peanut

1.4 (0.9–1.9)

1.2 (1.0–1.5)

0.5668

0.2 (0.0–0.3)

0.4 (0.3–0.5)

0.1485

0.1 (0.0–0.3)

0.3 (0.2–0.4)

0.6999

Soy

0.8 (0.4–1.2)

0.9 (0.7–1.1)

0.7485

0.3 (0.0–0.5)

0.3 (0.2–0.5)

0.6664

0.2 (0.0–0.4)

0.3 (0.2–0.4)

0.4565

Tree nut

1.6 (1.0–2.1)

1.1 (0.9–1.3)

0.0879

0.2 (0.0–0.4)

0.3 (0.2–0.4)

0.4533

0.2 (0.0–0.3)

0.3 (0.2–0.4)

0.0063

Other foods

10.0 (8.7–11.4)

3.0 (2.7–3.4)

0.0000

1.8 (1.2–2.4)

0.8 (0.6–1.0)

0.0002

1.2 (0.7–1.7)

0.6 (0.5–0.8)

0.9397

  1. Values reported as % (95% CI).
  2. The Two-sample z-test for the Difference Between Proportions was performed to obtain P values.