Table 1 Population characteristics and lung function outcomes (n = 5322)
From: Cohort profile: China undergraduate cohort for environmental health study
Participant characteristics | 2019 | 2020 |
|---|---|---|
Demographic characteristic | ||
Age (years) | 18.3 ± 0.7 | 19.3 ± 0.7 |
Female (%) | 3285 (61.7) | 3285 (61.7) |
Height(cm) | 167.9 ± 8.4 | 168.3 ± 8.4 |
Weight(kg) | 63.0 ± 16.6 | 64.0 ± 18.1 |
Cigarette smoke exposure (%) | ||
Smoking status | 35 (0.6) | 39 (0.7) |
Passive smoking | 572 (10.7) | 392 (7.4) |
Alcohol consumption | 187 (3.5) | 194 (3.6) |
Physical activity intensity (%) | ||
> once a week | 3877 (72.8) | 3834 (72.0) |
Respiratory disease history (%) | ||
Yes | 677 (12.7) | 825 (15.5) |
No | 4645 (87.2) | 4497 (84.5) |
Family history of lung disease (%) | ||
Yes | 772 (14.5) | 772 (14.5) |
No | 4550 (85.5) | 4550 (85.5) |
Socioeconomic status (%) | ||
Socioeconomic-advantage | 2661(50.0) | 2661(50.0) |
Socioeconomic-disadvantage | 2661(50.0) | 2661(50.0) |