Apgar Score Is Related to Development of Atopic Dermatitis: Cotwin Control Study

Table 3

Significant risk factors for atopic dermatitis in 907 twin pairs, 3–9 years of age, discordant for atopic dermatitis.

	All twin pairs		MZ twin pairs		DZ twin pairs		ORMZ=ORDZ
	OR (95% CI)	P value	OR (95% CI)	P value	OR (95% CI)	P value	P value^1
Birth weight	1.02 (0.81–1.28)	0.884	0.96 (0.12–7.86)	0.972	0.98 (0.77–1.24)	0.880	NS
Birth length	1.00 (0.08–13.03)	1.00	8.31 (N/A)	0.854	1.62 (0.11–22.01)	0.758	NS
Apgar score	1.23 (1.06–1.44)	0.008	1.19 (0.60–2.34)	0.615	1.21 (1.04–1.42)	0.015	NS
Female sex	1.31 (1.06–1.61)	0.012			1.31 (1.07–1.61)	0.011	NS

Only statistically significant predictors for atopic dermatitis are presented in the table (adjusted for birth weight, birth length).
¹Test for heterogeneity between odds ratios for MZ and DZ twin pairs.
NS: nonsignificant.