Characteristic | Cross-sectional analyses population# | Longitudinal analyses population# | ||||
Total | Boys | Girls | Total | Boys | Girls | |
Subjects n | 721 | 338 | 383 | 915 | 434 | 481 |
Distribution at 16 years | ||||||
Age years | 16.3±0.2 | 16.3±0.2 | 16.3±0.2 | 16.3±0.2 | 16.3±0.2 | 16.3±0.2 |
Weight kg | 64.2±10.1 | 68.1±10.1 | 60.7±8.8 | 64.1±10.0 | 67.8±9.9 | 60.9±8.8 |
Height cm | 175.5±8.6 | 181.7±6.7 | 169.9±6.0 | 175.3±8.5 | 181.5±6.4 | 170.0±6.0 |
BMI kg·m−2 | 20.8±2.7 | 20.6±2.7 | 20.9±2.6 | 20.8±2.6 | 20.5±2.6 | 21.0±2.6 |
FEV1 L | 3.92±0.70 | 4.43±0.62 | 3.48±0.44 | 3.92±0.70 | 4.43±0.62 | 3.50±0.44 |
FVC L | 4.70±0.85 | 5.35±0.69 | 4.15±0.51 | 4.70±0.85 | 5.35±0.69 | 4.15±0.51 |
Distribution at 12 years | ||||||
Age years | 12.6±0.3 | 12.6±0.3 | 12.6±0.3 | |||
Weight kg | 48.2±9.1 | 47.6±9.2 | 48.8±8.9 | |||
Height cm | 160.0±7.5 | 159.5±7.8 | 160.5±7.2 | |||
BMI kg·m−2 | 18.7±2.6 | 18.6±2.6 | 18.8±2.6 | |||
FEV1 L | 2.71±0.42 | 2.69±0.44 | 2.72±0.41 | |||
FVC L | 3.22±0.51 | 3.25±0.51 | 3.20±0.50 | |||
Distribution at 8 years | ||||||
Age years | 8.1±0.3 | 8.0±0.3 | 8.1±0.3 | |||
Weight kg | 29.0±4.7 | 29.0±4.4 | 29.0±4.9 | |||
Height cm | 133.1±5.6 | 133.4±5.4 | 132.9±5.7 | |||
BMI kg·m−2 | 16.3±1.8 | 16.2±1.7 | 16.3±1.9 | |||
FEV1 L | 1.79±0.24 | 1.82±0.24 | 1.76±0.23 | |||
FVC L | 2.01±0.28 | 2.06±0.28 | 1.96±0.28 |
Data is presented as mean±sd, unless otherwise stated. #: the value of n is smaller than indicated for some variables due to missing data.