| Food | Introduced by 12 months of age | Parent‐reported reactions | Reactions suggesting IgE‐mediated allergy* | ||
|---|---|---|---|---|---|
| Number | Proportion (95% CI) | Number | Proportion (95% CI) | ||
| Wheat | 839/857 (98%) | 9/835 | 1% (0.5–2%) | 4/835 | 0.5% (0.1–1%) |
| Dairy | 837/857 (98%) | 72/835 | 8.6% (6.8–11%) | 47/835 | 5.6% (4.2–7.4%) |
| Egg | 820/857 (96%) | 56/817 | 6.9% (5.2–8.8%) | 40/817 | 4.9% (3.5–6.6%) |
| Peanut | 767/857 (89%) | 20/764 | 2.6% (1.6–4.0%) | 12/764 | 1.6% (0.8–2.7%) |
| Fish | 758/857 (88%) | 4/756 | 0.5% (0.1–1%) | 4/756 | 0.5% (0.1–1%) |
| Soy | 580/857 (68%) | 14/580 | 2.4% (1.3–4.0%) | 4/580 | 0.7% (0.2–2%) |
| Sesame | 509/857 (59%) | 2/509 | 0.4% (0–1%) | 1/509 | 0.2% (0–1%) |
| Tree nut | 484/857 (56%) | 3/483 | 0.6% (0.1–2%) | 2/483 | 0.4% (0.1–2%) |
| Other | — | 70/847 | 8.3% (6.5–10%) | 39/847 | 4.6% (3.3–6.2%) |
CI = confidence interval. Not all participants completed all questions; table includes all available responses to each question. * Excluding isolated perioral rash.