Table 1 Limited lung function, socioeconomic status, and demographic variables in the sample (N = 4472)
Variable | Stratified by Gender | ||
|---|---|---|---|
Overall | Male | Female | |
n | 4472 | 2342 | 2130 |
Overall Limited Lung Function (Peak Flow < 80% Predicted) (%) | 32.5 | 29.8 | 35.4 |
Severely Limited Lung Function (Peak Flow < 50% Predicted) (%) | 7.5 | 7.6 | 7.4 |
Age (mean (SD)) | 62.08 (11.66) | 62.76 (11.57) | 61.33 (11.71) |
Female (%) | 47.6 | 0.0 | 100.0 |
Education (%) | |||
 High | 29.6 | 33.3 | 25.5 |
 Intermediate | 32.8 | 28.8 | 37.2 |
 Low | 37.7 | 37.9 | 37.4 |
Income (%) | |||
  > 120% | 30.5 | 32.4 | 28.4 |
 80%-120% | 31.7 | 32.1 | 31.3 |
  < 80% | 37.8 | 35.5 | 40.4 |
Occupational Prestige (%) | |||
 Very High | 17.5 | 18.1 | 16.9 |
 High | 25.5 | 25.8 | 25.1 |
 Medium | 36.8 | 36.0 | 37.7 |
 Low | 11.9 | 10.9 | 12.9 |
 Very Low | 8.4 | 9.3 | 7.4 |