. Author manuscript; available in PMC: 2015 May 1.

Published in final edited form as: Dermatitis. 2014 May-Jun;25(3):107–114. doi: 10.1097/DER.0000000000000034

Table 3.

Local environmental associations of childhood atopic dermatitis severity.

Variable	Subgroup	Atopic dermatitis severity
		Mild (n = 7198)		Moderate (n = 2612)		Severe (n = 576)
		Freq	Percent (95% CI)	Freq	Percent (95% CI)	Freq	Percent (95% CI)	P-value^*
Residence in metropolitan area	Yes	4058	66.1 (63.4 – 68.8)	1483	26.7 (24.1 – 29.3)	342	7.2 (5.6 – 8.7)	0.26
Residence in metropolitan area	No	877	70.4 (66.2 – 74.6)	327	22.8 (19.1 – 26.5)	74	6.8 (4.2 – 9.4)	0.26
Smokers living at home	No	5500	68.6 (66.0 – 71.2)	1922	25.2 (22.7 – 27.6)	358	6.2 (4.8 – 7.7)	0.03
Smokers living at home	Yes	1651	62.6 (58.4 – 66.8)	672	28.5 (24.4 – 32.6)	213	8.9 (6.7 – 11.1)	0.03
Smoking in home	No	1205	61.8 (56.7 – 66.9)	495	29.9 (24.9 – 24.9)	148	8.3 (5.7 – 10.9)	0.29
Smoking in home	Yes	445	64.8 (57.9 – 71.6)	177	24.4 (18.2 – 30.5)	65	10.9 (6.5 – 15.2)	0.29
Dilapidated housing	No	6054	68.7 (66.3 – 71.1)	2110	25.3 (23.1 – 27.6)	434	6.0 (4.8 – 7.2)	0.0009
Dilapidated housing	Yes	1073	59.0 (52.9 – 65.0)	472	29.4 (23.7 – 35.2)	136	11.6 (7.6 – 15.6)	0.0009
Garbage on street	No	5839	69.0 (66.6 – 71.4)	2051	25.0 (22.7 – 27.3)	425	6.0 (4.8 – 7.2)	0.001
Garbage on street	Yes	1296	59.6 (54.4 – 64.8)	535	29.9 (24.8 – 34.9)	144	10.6 (6.9 – 14.3)	0.001
Park in neighborhood	No	1265	64.7 (59.8 – 69.7)	525	27.1 (22.8 – 31.4)	117	8.2 (4.9 – 11.5)	0.53
Park in neighborhood	Yes	5870	67.5 (65.0 – 70.0)	2064	25.8 (23.4 – 28.2)	452	6.7 (5.4 – 8.0)	0.53
Sidewalk in neighborhood	No	1771	67.4 (63.3 – 71.5)	669	26.0 (22.0 – 29.9)	166	6.6 (4.9 – 8.4)	0.94
Sidewalk in neighborhood	Yes	5366	66.9 (64.2 – 69.5)	1920	26.1 (23.6 – 28.5)	403	7.1 (5.5 – 8.6)	0.94

Rao-Scott chi-square tests comparing between mild, moderate and severe eczema.