Tobacco smoke exposure from birth to 12 months of age (N=934) | Child respiratory morbidities by 12 months old | |||||||
---|---|---|---|---|---|---|---|---|
Total wheezing episodes | Total croupy cough episodes | Prescription of nebuliser | Total ear infection episodes | Total fever episodes | Total snoring episodes | Total episodes of hospitalisation due to respiratory disease | Total episodes of all-cause hospitalisation | |
N | 825 | 817 | 812 | 814 | 925 | 403 | 822 | 843 |
Missing data (%) | 33.2 | 33.9 | 34.3 | 34.1 | 25.1 | 67.3 | 33.5 | 31.8 |
Adjusted RR 95% CI | 1.71 (1.38 to 2.11) | 1.33 (0.86 to 2.04) | 0.85 (0.51 to 1.42) | 1.20 (0.55 to 2.61) | 1.18 (1.02 to 1.36) | 1.13 (0.84 to 1.52) | 1.89 (1.02 to 3.50) | 1.57 (1.14 to 2.17) |
p Value | <0.001 | 0.20 | 0.54 | 0.65 | 0.03 | 0.41 | 0.04 | 0.01 |
Adjusted for race, maternal education level, household income, child eczema from birth to 12 months of age and parental atopy.