Table 1 FeNO and Total Serum IgE levels in Adolescence by Participant Characteristics.
Characteristic | Subjects N (%), For subjects with FeNO | Geometric Mean FeNO (ppb) at age 11.9 to 16.6 N = 857 subjects | Geometric Mean Total Serum IgE (IU/ml) at age 11.9–16.6 N = 590 subjects |
|---|---|---|---|
Smoking in Pregnancy | |||
Never | 598 (69%) | 18.5 | 62.0 |
Smoked during Pregnancy | 78 (9%) | 22.1 | 89.8 |
Former | 181 (21%) | 19.0 | 56.7 |
Maternal Hay fever | |||
Yes | 256 (30%) | 19.7 | 79.9 |
No | 600 (70%) | 18.5 | 56.9* |
Child’s Race/Ethnicity | |||
Black | 123 (15%) | 19.8 | 83.5 |
White | 565 (66%) | 18.2 | 56.9 |
Hispanic | 35 (4%) | 19.5 | 53.6 |
Other | 134 (16%) | 21.3 | 76.4 |
Child’s sex | |||
Female | 429 (50%) | 17.9 | 58.1 |
Male | 428 (50%) | 20.0* | 68.2 |
Season of Birth | |||
Winter | 203 (24%) | 20.6 | 65.5 |
Spring | 218 (25%) | 19.6 | 66.5 |
Summer | 249 (29%) | 17.7 | 67.6 |
Fall | 187 (22%) | 17.9 | 51.8 |
