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Table 1 Characteristics at the baseline examination of participants in different parts of the study

From: Circulating alpha1-antitrypsin in the general population: Determinants and association with lung function

  SAPALDIA baseline participants SAPALDIA participants in study on AAT determinants SAPALDIA participants in study on AAT and lung function
N 9651 5187 4449
Female, % 50.7 51.5 48.6
Age (mean, SD) [years] 41.7 (11.7) 40.9 (11.5) 41.1 (11.4)
BMI (mean, SD) [kg/m2] 24.0 (3.9) 23.6 (3.5) 23.7 (3.5)
Smoking Status, %    
- never 43.9 49.8 47.8
- former 22.6 20.6 22.0
- current 33.5 29.6 30.2
FEV1 (mean, SD) [ml/s] 3.53 (0.85)   3.59 (0.83)