Prevalence of study variables in children at the age of 4 years according to sex
| Variables (no of children) | Boys(n = 827) | Girls(n = 754) | OR (95% CI)* |
|---|---|---|---|
| *Odds ratios are given using girls as the reference. | |||
| †Sensitisation to inhalants = Phadiatop >0.35 kUA/l; sensitisation to foods = fx5 >0.35 kUA/l. | |||
| Diagnoses | |||
| Wheeze at 1 year (n = 88) | 57/820 (7.0%) | 31/743 (4.2%) | 1.72 (1.09 to 2.69) |
| Wheeze at 2 years (n = 139) | 82/813 (10.1%) | 57/740 (7.7%) | 1.34 (0.94 to 1.92) |
| Wheeze at 4 years (n = 285) | 167/824 (20.3%) | 118/749 (15.8%) | 1.36 (1.05 to 1.76) |
| Asthma (n = 148) | 94/821 (11.4%) | 54//749 (7.2%) | 1.66 (1.17 to 2.37) |
| Suspected allergic rhinitis (n = 69) | 49/818 (6.0%) | 20/737 (2.7%) | 2.28 (1.34 to 3.89) |
| Eczema (n = 313) | 155/825 (18.8%) | 158/753 (21.0%) | 0.87 (0.68 to 1.12) |
| Sensitisation to inhalants (n = 239)† | 154/827 (18.6%) | 85/754 (11.3%) | 1.80 (1.35 to 2.40) |
| Sensitisation to foods (n = 234)† | 128/827 (15.5%) | 106/754 (14.1%) | 1.12 (0.85 to 1.48) |
| Any IgE sensitisation (n = 371) | 214/827 (25.9%) | 157/754 (20.8%) | 1.33 (1.05 to 1.68) |
| Anti-Cpn Ig | |||
| Anti-Cpn IgG (n = 159) | 85/827 (10.3%) | 74/754 (9.8%) | 1.05 (0.76 to 1.46) |
| Anti-Cpn IgA (n = 42) | 16/827 (1.9%) | 26/754 (3.4%) | 0.55 (0.29 to 1.04) |