Table 4

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).

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 months1.481.09 to 2.02
Woken up with wheeze in last 12 months1.611.10 to 2.36
Itchy rash in last 12 months1.010.76 to 1.33
Asthma ever1.360.98 to 1.89
Hay fever ever1.180.87 to 1.61
Eczema ever1.260.98 to 1.62
Bronchitis in last 12 months1.150.80 to 1.65
Dry cough in last 12 months0.980.74 to 1.30
Nasal discharge and conjunctivitis in last 12 months1.411.08 to 1.84
Bronchial hyperrresponsiveness1.551.14 to 2.10
Eosinophils (per 1000)2.291.32 to 3.44