2.
云锡矿工肺癌危险因素的多因素分析
Multiple analysis for lung cancer risk among Yunnan tin miners
| Characteristics | HR (95%CI)* |
| *Adjusted for age, gender, education, smoking, cumulative radon exposure, cumulative arsenic exposure and previous lung disease. HR:hazard ratio. | |
| Age (yr) | |
| < 60 | 1.00 |
| 60-69 | 2.30 (1.79-2.96) |
| ≥70 | 3.20 (2.30-4.48) |
| Education level | |
| No | 1.00 |
| ≤6 y | 0.79 (0.85-0.96) |
| > 6 y | 0.50 (0.31-0.80) |
| Previous chronic bronchitis | |
| No | 1.00 |
| Yes | 1.54 (1.27-1.86) |
| Smoking (pack-years) | |
| Q (0) | 1.00 |
| Q2 (1-583) | 1.25 (0.76-2.06) |
| Q3 (584-1, 022) | 1.54 (0.94-2.52) |
| Q4 (1, 023-1, 540) | 1.69 (1.03-2.78) |
| Q5 (> 1, 540) | 1.63 (0.98-2.73) |
| Cumulative arsenic exposure (IAEM) | |
| Q1 (0-1, 455) | 1.00 |
| Q2 (1, 456-7, 102) | 2.58 (1.40-4.79) |
| Q3 (7, 102-17, 435) | 6.17 (3.31-11.52) |
| Q4 (≥17, 435) | 6.53 (3.43-12.37) |
| Cumulative radon exposure | |
| 0 | 1.00 |
| Q1 (0-95.82) | 2.88 (1.53-5.40) |
| Q2 (95.82-148.44) | 4.02 (2.16-7.47) |
| Q3 (148.44-295.84) | 5.06 (2.86-8.96) |
| Q4 (≥295.84) | 4.95 (2.83-8.67) |