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 with atopy (n=106).
| 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 | 1.48 | 1.09 to 2.02 |
| Woken up with wheeze in last 12 months | 1.61 | 1.10 to 2.36 |
| Itchy rash in last 12 months | 1.01 | 0.76 to 1.33 |
| Asthma ever | 1.36 | 0.98 to 1.89 |
| Hay fever ever | 1.18 | 0.87 to 1.61 |
| Eczema ever | 1.26 | 0.98 to 1.62 |
| Bronchitis in last 12 months | 1.15 | 0.80 to 1.65 |
| Dry cough in last 12 months | 0.98 | 0.74 to 1.30 |
| Nasal discharge and conjunctivitis in last 12 months | 1.41 | 1.08 to 1.84 |
| Bronchial hyperrresponsiveness | 1.55 | 1.14 to 2.10 |
| Eosinophils (per 1000) | 2.29 | 1.32 to 3.44 |