Figure 1. Prevalence (±95% confidence intervals) of childhood atopic disorders according to health conditions of the biological parents. The prevalence estimates are adjusted for parental age, race, gender, smoking, family size, family income, childs sex, and childs age. AD, atopic disorders; MD, major depression; PA, panic attacks. Significance tests were obtained from Wald tests for pairwise comparisons of groups. The "+" sign indicates that the health condition is present and the "" that it is absent.