Table 1:

Descriptive characteristics of children with known AD status at age 2 or age 10 (N=794)

Variable	Level	N = 794	%
Mom Eczema (ever in lifetime)	No	590	74.7
	Yes	200	25.3
Maternal Race	White	199	25.1
	African American	471	59.3
	Hispanic	47	5.9
	Arabic	41	5.2
	Other/Mixed Race	36	4.5
Mode of Delivery	Vaginal	496	62.6
	C-Section	296	37.4
First Born Child	No	495	62.3
	Yes	299	37.7
Prenatal Indoor Dog(s)	No	587	73.9
	Yes	207	26.1
Indoor Dog(s) in First Year of Life	No	444	69.6
	Yes	194	30.4
Prenatal Indoor Cat(s)	No	657	82.8
	Yes	137	17.2
Prenatal ETS Exposure	No	609	76.7
	Yes	185	23.3
Eczema Category	Never	255	64.7
	Early1	54	13.7
	Late2	43	10.9
	Persistent3	42	10.7
Atopic at Age 2	No	251	48.5
	Yes	266	51.5
Total IgE at Age 2	Geometric Mean (SD)	21.1 (4.2)
Atopic at Age 10	No	226	41.9
	Yes	314	58.2
Total IgE at Age 10	Geometric Mean (SD)	68.7 (4.9)

¹N=21 with early atopic eczema, N=18 with early non-atopic eczema, N=15 with missing atopy status

²N=31 late atopic eczema, N=12 late non-atopic eczema

³N=34 persistent atopic eczema, N=3 persistent non-atopic eczema, N=5 with missing atopy status