Analysis of Epidemiology and Risk Factors of Atopic Dermatitis in Korean Children and Adolescents from the 2010 Korean National Health and Nutrition Examination Survey

Table 1

The demographic characteristics of atopic dermatitis in children and adolescents (1–18 years old).

Variable	Number	(SE)	non-AD (SE)	Prevalence, % (SE)	value
Total	2116	322	1794	15.0 (1.1)
AGE (year)		9.7 (0.4)	10.5 (0.2)
Sex					0.88
Male	1102	174	928	14.5 (1.3)
Female	1014	148	866	15.5 (1.7)
Region					0.65
City	1783	276	1507	15.5 (1.3)
County	333	46	287	12.6 (2.4)
Obesity					0.39
(−)	1785	274	1511	15.1 (1.1)
(+)	195	36	159	16.0 (3.1)
Smoking (≥12 years)					0.13
(−)	675	78	597	11.7 (1.9)
(+)	52	9	43	15.2 (4.7)
Drinking (≥12 years)					0.47
(−)	559	69	490	12.2 (2.0)
(+)	170	18	152	11.4 (2.9)
Vitamin; (≥12 years, ng/ml)	651	15.6 (0.5)	16.3 (0.4)		0.21
Specific IgE sensitization; (≥12 years)					0.94
(−)	126	16	110	14.1 (3.8)
(+)	151	20	131	14.4 (3.7)
Df IgE sensitization; (≥12 years)					0.61
(−)	144	19	125	15.5 (4.3)
(+)	133	17	116	12.9 (3.5)
Dog IgE sensitization; (≥12 years)					0.38
(−)	251	30	221	13.7 (3.2)
(+)	26	6	20	19.3 (8.5)
Cockroach (≥12 years)					0.49
(−)	225	30	195	13.2 (2.7)
(+)	52	6	46	18.6 (7.5)
Total IgE (kU/L) (≥12 years)	277	200.22 (1.28)	94.61 (1.11)		< 0.0

. : atopic dermatitis. (OH) D.