Table 1. Patient Characteristics.

ID	Age (Months)	Sex	Smoking in home	Known atopy	First degree relative with atopy/asthma
1	9	Male	Yes	No	Yes
2	13	Male	No	No	Yes
3	5	Male	Yes	No	Yes
5	4	Male	No	No	Yes
7	10	Male	No	No	No
8	6	Male	No	No	Yes
9	10	Male	No	No	Yes
11	14	Female	No	No	No
12	7	Male	No	No	Yes
13	12	Male	Yes	No	No
14*	9	Male	Yes	No	No
15	5	Male	No	No	No
16	4	Female	No	No	Yes
17	13	Female	No	No	Yes
18	9	Male	No	No	Yes
19	9	Male	No	No	Yes
20	6	Male	No	No	Yes
21	4	Male	No	Yes	Yes
22*	11	Female	No	No	No
23	13	Male	No	Yes	Yes
24	12	Male	No	No	Yes
25*	9	Male	No	No	Yes

*did not complete the study.