Table 1 Study Characteristics
Variable | Children with FeNO and atopy data | Children with incomplete data | P |
|---|---|---|---|
Sample size | 1199 | 242 | Â |
Male, % (n) | 52% (622) | 52% (125) | 0.95 |
Age, mean (range) | 14.9 (12.2-16.6) | 14.8 (13.3-16.5) | 0.43 |
Height in cm, mean (SD) | 158.5 (8.2) | 156.9 (7.4) | 0.05 |
Current Asthma, % (n) | 7% (89) | 7.0% (17) | 0.83 |
Allergic rhinitis, % (n) | 17% (201) | 21% (51) | 0.11 |
Rural, % (n) | 52% (625) | 38% (91) | 0.001 |
BMI, mean (range) | 21.1 (13.9 – 39.2) | 21.8 (15.1 – 36.6) | 0.06 |
Secondhand smoke, % (n) | 19% (232) | 19% (46) | 0.91 |
History of tobacco use, % (n) | 5% (54) | 4% (4) | 0.59 |