Table 1
From: Are known biomarkers for asthma present in early infancy?
Variable | Testing Time Point | Sample Size | Mean ± SD (ppb) | P value | |
|---|---|---|---|---|---|
Prenatal Smoke Exposure | 3 months | Yes | 2 | 13.12 ± 0.8 | 0.072 |
|  |  | No | 57 | 15.40 ± 7.7 |  |
|  | 1 Year | Yes | 6 | 21.12 ± 14.6 | 0.405 |
|  |  | No | 100 | 15.63 ± 9.5 |  |
Postnatal Smoke Exposure | 3 months | Yes | 14 | 15.13 ± 7.5 | 0.471 |
|  |  | No | 64 | 16.76 ± 7.6 |  |
|  | 1 Year | Yes | 38 | 13.72 ± 8.2 | 0.233 |
|  |  | No | 99 | 15.73 ± 10.1 |  |
Maternal Atopic Status | 3 months | Yes | 47 | 16.72 ± 7.5 | 0.458 |
|  |  | No | 19 | 15.19 ± 7.5 |  |
|  | 1 Year | Yes | 87 | 15.11 ± 10.0 | 0.638 |
|  |  | No | 40 | 15.94 ± 8.9 |  |
Maternal Asthma | 3 months | Yes | 16 | 17.23 ± 8.2 | 0.495 |
|  |  | No | 49 | 15.62 ± 7.5 |  |
|  | 1 Year | Yes | 29 | 14.50 ± 7.9 | 0.460 |
|  |  | No | 88 | 15.86 ± 10.3 |  |
Paternal Atopic Status | 3 months | Yes | 55 | 16.32 ± 7.4 | 0.925 |
|  |  | No | 12 | 16.07 ± 8.4 |  |
|  | 1 Year | Yes | 87 | 15.13 ± 9.4 | 0.085 |
|  |  | No | 21 | 19.24 ± 9.5 |  |
Paternal Asthma | 3 months | Yes | 10 | 15.45 ± 10.0 | 0.962 |
|  |  | No | 48 | 15.28 ± 7.2 |  |
|  | 1 Year | Yes | 20 | 19.42 ± 10.1 | 0.081 |
|  |  | No | 80 | 14.89 ± 9.5 |  |
Sibling | 3 months | Yes | 30 | 13.54 ± 8.2 | 0.065 |
|  |  | No | 29 | 17.17 ± 6.5 |  |
|  | 1 Year | Yes | 46 | 13.27 ± 10.0 | 0.015 |
|  |  | No | 60 | 17.98 ± 9.4 |  |