Table 1 Characteristics of study population by lung function
From: Interaction of CD14 haplotypes and soluble CD14 on pulmonary function in agricultural workers
| Â | Total N | FEV1 (% predicted) Mean (SD) | FEV1/FVC (%) Mean (SD) |
|---|---|---|---|
Age, years | |||
 39-50 | 38 | 87.6 (11.8) | 74.2 (7.1) |
 51-60 | 117 | 80.8 (18.8) | 71.4 (10.9) |
 61-70 | 274 | 80.2 (21.6) | 70.3 (11.7) |
 71-80 | 155 | 77.0 (23.3) | 66.0 (12.2) |
Sex | |||
 Male | 571 | 79.6 (21.2) | 69.4 (11.7) |
 Female | 13 | 92.3 (14.1) | 77.3 (6.1) |
BMI | |||
  < 25 | 86 | 72.4 (25.9) | 61.8 (14.9) |
 25-29.9 | 171 | 81.3 (22.2) | 68.5 (11.7) |
  ≥ 30 | 327 | 81.2 (18.8) | 72.3 (9.5) |
Race | |||
 White | 555 | 79.8 (21.1) | 69.6 (11.7) |
 Other | 23 | 87.7 (20.9) | 71.8 (9.0) |
Education | |||
  ≤ High School | 250 | 77.0 (22.3) | 67.3 (12.6) |
  > High School | 311 | 82.8 (19.6) | 71.4 (10.3) |
Smoking Status | |||
 Ever | 463 | 77.9 (21.4) | 68.3 (12.1) |
 Never | 113 | 88.5 (16.6) | 75.2 (6.6) |
COPD | |||
 No | 354 | 88.6 (16.6) | 76.6 (4.3) |
 Yes | 230 | 66.6 (20.5) | 58.9 (11.3) |
Steroid Use (Inhaled, Oral)a | |||
 No | 507 | 83.4 (18.9) | 71.6 (9.7) |
 Yes | 77 | 56.6 (20.8) | 57.0 (15.2 |
Worked on a Farm, years | |||
  < 10 | 93 | 76.7 (20.9) | 69.5 (11.8) |
 10-19.9 | 158 | 83.1 (18.8) | 70.7 (10.3) |
 20-29.9 | 92 | 79.0 (21.5) | 68.9 (12.1) |
 30+ | 228 | 79.5 (22.5) | 69.3 (12.2) |
Exposure to crops | |||
 No | 70 | 77.4 (22.4) | 68.9 (12.0) |
 Yes | 499 | 80.4 (20.9) | 69.8 (11.5) |
Exposure to animals | |||
 No | 63 | 77.0 (22.2) | 70.4 (12.0) |
 Yes | 506 | 80.4 (21.0) | 69.6 (11.5) |