Table 3

Relationship between measures of body fat and markers of asthma and atopy*

BMI (kg/m2) β (95% CI)p valueWaist (cm) β (95% CI)p valueWaist to hip ratio β (95% CI)p value
*Adjusted for age, race, sex, clinic, Tanner stage, and parental smoking.
†Natural log.
‡Bronchodilator (BD) change defined as change in FEV1 with bronchodilator divided by initial FEV1.
Log eosinophil†−0.017 (−0.036 to 0.001)0.06−0.011 (−0.017 to 0.005)0.0009−0.51 (−1.470 to 0.456)0.30
Log IgE†−0.028 (−0.059 to 0.002)0.07−0.005 (−0.016 to 0.061)0.38−0.29 (−1.933 to 1.359)0.73
BD change‡−0.003 (−0.001 to −0.004)0.02−0.0007 (−0.014 to 0)0.060.047 (−0.064 to 0.158)0.41
Log PC200.034 (0.012 to 0.057)0.0030.007 (0.002 to 0.015)0.11−0.037 (−0.933 to 0.859)0.95
Log PC20 (FEV1 adjusted)†0.006 (−0.017 to 0.028)0.64−0.005 (−0.014 to 0.003)0.210.0004 (−1.195 to 1.195)0.99