Table 3

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)

VariableRelative increase95% 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 months0.760.60 to 0.96
Woken up with wheeze in last 12 months0.660.46 to 0.93
Itchy rash in last 12 months0.930.81 to 1.06
Asthma ever0.900.70 to 1.16
Hay fever ever0.680.48 to 0.98
Eczema ever1.030.91 to 1.17
Bronchitis in last 12 months1.110.88 to 1.41
Dry cough in last 12 months0.890.78 to 1.01
Nasal discharge and conjunctivitis in last 12 months1.040.81 to 1.32
Bronchial hyperrresponsiveness0.940.82 to 1.09
Eosinophils (per 1000)1.130.88 to 1.46