Characteristics of total subjects and subjects by disease.

<p>History of atopic dermatitis, asthma, and allergic rhinitis included both present and previous disease. <i>P</i>-values were calculated using Pearson’s <i>χ</i>² test.</p><p>^$: Fisher’s exact test.</p><p>^#<i>p</i> < 0.25,</p><p>* <i>p</i> < 0.05,</p><p>** <i>p</i> < 0.01,</p><p>*** <i>p</i> < 0.001</p><p>Characteristics of total subjects and subjects by disease.