Note. FEV1 = Forced Expiratory Volume in one
second, expressed as percentage of the predicted value. Normal
values of FEV1 range between 80% and 120%; BMI = Body
Mass Index. Ranges of BMI are: Underweight BMI < 18.5
kg/m2; Healthy BMI: 18.5 – 24.9
kg/m2; Overweight BMI: 25.0 – 29.9
kg/m2; Obese BMI ≥ 30 kg/m2.
1Education level, “Low”: Primary school or lower
vocational secondary education, “Middle”: intermediate general
secondary education or intermediate vocational education, and “High”:
higher general secondary education, higher vocational education, or
university education. High school (N=10 adolescents).
ᶲ Question not asked in adolescents