| Inorganic Plus Methylated Arsenic Species μg/g creatinine | P-valueb | ||
---|---|---|---|---|
Tertile 1 | Tertile 2 | Tertile 3 | ||
≤7.0a | 7.1–13.9a | ≥14.0a | ||
Age, years | 55.6 | 55.6 | 56.0 | 0.37 |
Female | 494 (56.0%) | 443 (61.1%) | 355 (67.6%) | < 0.001 |
Education |  |  |  | < 0.001 |
 No high school (HS) | 80 (9.1%) | 149 (20.6%) | 148 (28.2%) |  |
 Some HS | 202 (22.9%) | 160 (22.1%) | 131 (25.0%) |  |
 Completed HS or higher | 600 (68.0%) | 416 (57.4%) | 246 (46.9%) |  |
BMI, kg/m2 | 30.8 (0.1) | 31.3 (0.2) | 31.6 (0.3) | 0.01 |
Diabetes | 317 (35.9%) | 296 (40.8%) | 279 (53.1%) | < 0.001 |
Smoking status | Â | Â | Â | 0.06 |
 Never | 292 (33.9%) | 214 (29.5%) | 167 (31.8%) |  |
 Former | 288 (32.6%) | 235 (32.4%) | 145 (27.6%) |  |
 Current | 302 (34.2%) | 276 (38.1%) | 213 (40.5%) |  |
Smoking pack years | 11.4 (0.4) | 10.8 (0.4) | 8.9 (0.5) | < 0.001 |
FEV1, %predicted | 92.8 (0.4) | 92.5 (0.6) | 88.7 (0.7) | < 0.001 |
FVC, %predicted | 93.3 (0.4) | 95.0 (0.6) | 90.3 (0.7) | < 0.001 |
FEV1/FVC, % | 76.1 (0.2) | 74.9 (0.3) | 75.6 (0.4) | 0.21 |
Airflow obstructionc | 157 (20.7%) | 167 (26.3%) | 134 (31.0%) | 0.02 |
Restrictive patternc | 125 (17.2%) | 89 (15.9%) | 93 (23.8%) | < 0.001 |
Self-reported chronic bronchitis | 82 (9.2%) | 78 (10.8%) | 60 (11.4%) | 0.59 |
Self-reported emphysema | 33 (3.7%) | 26 (3.6%) | 19 (3.6%) | 0.43 |
Self-reported asthma | 77 (8.8%) | 65 (9.0%) | 44 (8.4%) | 0.51 |
Medical record tuberculosis | 133 (15.1%) | 99 (13.7%) | 60 (11.4%) | 0.02 |