n=524 | % difference in FEV1 growth/year (95% CI) | % difference in FVC growth/year (95% CI) |
Cats | ||
Early life vs very low | −0.09 (−0.38 to 0.20) | −0.71 (−0.99 to −0.42) |
Late childhood vs very low | 0.41 (0.05 to 0.77) | 0.08 (−0.25 to 0.43) |
Persistently high vs very low | −0.46 (−0.71 to −0.22) | −0.33 (−0.55 to −0.08) |
Dogs | ||
Late childhood vs very low | −0.18 (−0.61 to 0.26) | −0.34 (−0.76 to 0.08) |
Persistently high vs very low | −0.26 (−0.56 to 0.05) | −0.11 (−0.40 to 0.19) |
Rodents | ||
Early childhood vs very low | −0.75 (−1.15 to −0.35) | −0.80 (−1.19 to −0.41) |
Late childhood vs very low | 0.25 (0.01 to 0.48) | 0.35 (0.12 to 0.58) |
Mid-childhood vs very low | 0.13 (−0.27 to 0.52) | 0.28 (−0.10 to 0.67) |
Adjusted for sex, log transformations of differences in height, weight and age between the 12-year and 16-year lung function measurements, parental education, maternal and paternal allergy, breast feeding at 12 weeks, maternal smoking during pregnancy, indoor secondhand smoke at 1 year, use of gas for cooking at 3 months, annual average NO2 concentration at the birth address, birth weight, dampness or mould in the child’s home at 1 year, respiratory infections in the past 3 weeks before medical examination.