Adjusted relative increase in eNO for children with symptoms compared with children without symptoms; for children with and without bronchial hyperresponsiveness; and per unit increase in eosinophils; children without atopy (n=205)
| Variable | Relative increase | 95% confidence interval |
|---|---|---|
| Adjusted for age, sex, gas cooking, unvented water heater, environmental tobacco smoke exposure, and having a cold during the eNO sampling. | ||
| Wheeze in last 12 months | 0.76 | 0.60 to 0.96 |
| Woken up with wheeze in last 12 months | 0.66 | 0.46 to 0.93 |
| Itchy rash in last 12 months | 0.93 | 0.81 to 1.06 |
| Asthma ever | 0.90 | 0.70 to 1.16 |
| Hay fever ever | 0.68 | 0.48 to 0.98 |
| Eczema ever | 1.03 | 0.91 to 1.17 |
| Bronchitis in last 12 months | 1.11 | 0.88 to 1.41 |
| Dry cough in last 12 months | 0.89 | 0.78 to 1.01 |
| Nasal discharge and conjunctivitis in last 12 months | 1.04 | 0.81 to 1.32 |
| Bronchial hyperrresponsiveness | 0.94 | 0.82 to 1.09 |
| Eosinophils (per 1000) | 1.13 | 0.88 to 1.46 |