Table 3 Prevalence of abnormal radiograph, PF, BP and ECG in coal miners in 2016
Variable | Radiograph n(%) | PF n(%) | BP n(%) | ECG n(%) |
|---|---|---|---|---|
Sex | ||||
Female | 42 (3.2) | 61 (4.6) | 199 (15.1) | 191 (14.5) |
Male | 465 (4.1) | 594 (5.3) | 1806 (16.0) | 1732 (15.4) |
Age, years | ||||
≤ 30 | 9 (0.6) | 25 (1.7) | 178 (11.8) | 110 (7.3) |
31–40 | 127 (4.5) | 84 (3.0) | 579 (20.7) | 413 (14.8) |
41–50 | 232 (4.6) | 311 (6.2) | 815 (16.2) | 841 (16.7) |
> 50 | 139 (4.3) | 235 (7.2) | 433 (13.3) | 559 (17.1) |
Years of dust exposure | ||||
≤ 10 | 158 (2.8) | 132 (2.3) | 778 (13.8) | 801 (14.2) |
11–20 | 101 (4.5) | 147 (6.6) | 556 (25.0) | 329 (14.8) |
> 20 | 248 (5.2) | 376 (7.9) | 671 (14.2) | 793 (16.7) |
Smoking | ||||
No | 206 (3.4) | 206 (3.4) | 1177 (19.5) | 816 (13.5) |
Yes | 301 (4.6) | 449 (6.8) | 828 (12.6) | 1107 (16.9) |
Drinking | ||||
No | 62 (1.8) | 114 (3.3) | 438 (12.8) | 391 (11.4) |
Yes | 445 (4.9) | 541 (5.9) | 1567 (17.1) | 1532 (16.7) |
Working types | ||||
Ground auxiliary | 207 (3.1) | 323 (4.8) | 758 (11.2) | 867 (12.8) |
Tunneling | 31 (2.0) | 39 (2.6) | 310 (20.5) | 209 (13.8) |
Coal extraction | 51 (6.4) | 85 (10.7) | 175 (22.0) | 128 (16.1) |
Pulverized coal | 117 (7.4) | 71 (4.5) | 283 (17.9) | 416 (26.2) |
Underground auxiliary | 101 (5.2) | 137 (7.1) | 479 (24.7) | 303 (15.6) |
Size of mine | ||||
Large | 331 (4.3) | 423 (5.5) | 911 (11.9) | 1200 (15.6) |
Medium | 90 (3.9) | 117 (5.1) | 493 (21.4) | 326 (14.1) |
Small | 86 (3.3) | 115 (4.4) | 601 (23.0) | 397 (15.2) |