Table 3. Association between specific or total IgE and potential risk factors for atopy in the semi-urban area^a.

	N	IgE to HDM#		IgE to B. germanica		N	Total IgE
		geometric mean(95% CI)	β (95% CI)	geometric mean(95% CI)	β (95% CI)		geometric mean(95% CI)	β (95% CI)
z-BMI (mean, SD)	574	−1.35 ± 1.08b	−0.02 [−0.08–0.03]	−1.35 ± 1.08b	−0.07 [−0.13–0.01]*	509	−.126 ± 1.03b	−0.06 [−0.11–0.02]**

^aassociation based on univariate logistic model. ^bMean and standard deviation. The total population examined (N). ^#IgE to Dermatophagoides pteronyssinus (HDM). ¹diagnosed by PCR. ²diagnosed by microscopy. β (beta): estimate regression coefficients. CI: Confidence intervals. *P<0.05, **P<0.01, ***P<0.001.