Relationship between obesity and sex, and prevalence of asthma-like disease and current wheeze in Han children in Nanjing, China.

Objective: To investigate the relationships between body mass index (BMI) and sex, and asthma-like disease and current wheeze in Han children in Nanjing, China.

Methods: Han children aged 3-14 years were recruited. Height and weight were measured; individuals were classified into obesity, thinness and normal-weight groups on the basis of the calculated BMI.