Figure 1From: Early life microbial exposure and fractional exhaled nitric oxide in school-age children: a prospective birth cohort study Smoothed association between natural-log-transformed FeNO coefficients and natural-log-transformed microbial agents concentrations by cohort and pooled. Adjusted for sex, age of FeNO measurement, asthma, reported allergies (hay fever, rhinitis or eczema), parental smoking at the moment of the FeNO measurement, parental education and season of dust sampling. The Combined graphs were additionally adjusted for cohort.Back to article page