Table 1 Baseline Characteristics of Asthma Cases and Controls

Subjects (with DNA and endotoxin exposure)

95

196

Gender (male)*

59/95 (0.62)

101/196 (0.51)

Asthmatic mother*

39/95 (0.41)

44/196 (0.22)

Asthmatic father

8/95 (0.08)

15/196 (0.08)

Mother with eczema*^,

34/95(0.36)

43/196 (0.22)

Father with eczema

13/95 (0.14)

21/196 (0.11)

Attended day care for the first six months of life

30/95 (0.32)

57/196 (0.29)

Income Level:

< 30,000

6/95 (0.06)

12/196 (0.06)

30,000 to 50000

12/95 (0.13)

25/196 (0.13)

> 50,000

75/95 (0.79)

155/196 (0.79)

Ever Breastfed

75/95 (0.79)

152/196 (0.78)

Eczema diagnosis before age 6*

67/95 (0.71)

95/196 (0.48)