Table 4

Prevalence of late onset wheeze in 429 subjects divided into subgroups according to the age at which atopy was acquired

Age when atopy acquiredNo of subjectsLate onset wheeze (%)Adjusted odds ratio*95% CI for odds ratio
*Adjusted for AHR at age 8–12 years, sex, and parental history of asthma.
Never231 9.51.00
>12 years9014.41.750.84 to 3.68
10–12 years4119.52.330.94 to 5.81
<10 years6728.43.931.92 to 8.05
p value for trend<0.001