The aim of the study was to investigate if wider neck circumference is related to severe asthma in adolescence.
METHODS: Cross-sectional study including six hundred and eighty elementary school students aged between 10-16 years old at public schools in Santos, Brazil. Asthma characteristics were evaluated using the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire. Anthropometric measures including height, weight, waist circumference and neck circumference were obtained. The association between asthma and the risk factors studied was assessed by logistic regression analysis at a 5% statistical significance.
RESULTS: Multivariable logistic regression analysis revealed that after allowing for sex, age and family history of asthma, neck circumference (NC>90th percentile) was associated with severe asthma (odds ratio; [95% confidence interval] (2.09 [1.13–3.86]; p =0.018).
CONCLUSIONS: Neck circumference is associated with severe asthma in adolescence