Table 3

 Height, weight, BMI, FEV1, FVC and FEV1/FVC and respiratory characteristics of the four populations

Population A(n = 2358)Population B(n = 1184)Population C(n = 539)Population D(n = 331)
Values are mean (SD) unless otherwise indicated.
BMI, body mass index; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity.
Population A: parent population; population B: those without the cardinal respiratory symptoms of breathlessness, cough and wheeze; population C: never-smokers without the cardinal respiratory symptoms of breathlessness, cough and wheeze; population D: never-smokers without any respiratory symptoms.
Men, n (%)1142 (48)595 (50)242 (45)154 (47)
Height (m)1.78 (0.07)1.78 (0.07)1.80 (0.07)1.80 (0.07)
Weight (kg)81.9 (12.5)82.0 (11.8)82.9 (12.0)82.2 (12.6)
BMI (kg/m2)25.9 (3.4)25.8 (3.2)25.7 (3.2)25.5 (3.4)
FEV1 (l)3.74 (0.90)3.95 (0.79)4.13 (0.73)4.10 (0.77)
FVC (l)4.81 (1.02)5.01 (0.94)5.20 (0.91)5.17 (0.93)
FEV1/FVC0.77 (0.07)0.79 (0.06)0.80 (0.05)0.79 (0.05)
Women, n (%)1216 (52)589 (50)297 (55)177 (53)
Height (m)1.65 (0.06)1.65 (0.06)1.65 (0.06)1.64 (0.06)
Weight (kg)68.7 (12.8)67.2 (12.3)67.7 (11.9)67.0 (11.8)
BMI (kg/m2)25.3 (4.5)24.6 (4.4)25.0 (4.4)24.9 (4.6)
FEV1 (l)2.73 (0.68)2.92 (0.62)2.85 (0.65)2.79 (0.61)
FVC (l)3.42 (0.78)3.61 (0.73)3.53 (0.77)3.46 (0.74)
FEV1/FVC0.80 (0.06)0.81 (0.05)0.81 (0.05)0.80 (0.05)