Skip to main content

Table 2 Prevalence of abnormal radiograph, PF, BP and ECG in coal miners in 2015

From: Effects of occupational exposure to dust on chest radiograph, pulmonary function, blood pressure and electrocardiogram among coal miners in an eastern province, China

Variable Radiograph n(%) PF n(%) BP n(%) ECG n(%)
Sex
 Female 12 (1.2) 95 (9.2) 128 (12.4) 179 (17.4)
 Male 228 (2.3) 1026 (10.2) 3091 (30.8) 2297 (22.9)
Age, years
 ≤ 30 17 (1.2) 136 (9.5) 191 (13.4) 295 (20.7)
 31–40 18 (0.7) 256 (10.4) 545 (22.1) 494 (20.1)
 41–50 92 (2.3) 357 (8.8) 1243 (30.6) 879 (21.6)
 > 50 113 (3.6) 372 (12.0) 1240 (40.0) 808 (26.0)
Years of dust exposure
 ≤ 10 63 (1.3) 396 (8.4) 1009 (21.4) 957 (20.3)
 11–20 17 (0.7) 158 (6.4) 749 (30.5) 477 (19.5)
 > 20 160 (4.1) 567 (14.5) 1461 (37.5) 1042 (26.7)
Smoking
 No 108 (2.0) 533 (9.8) 1614 (29.7) 1221 (22.5)
 Yes 132 (2.3) 588 (10.4) 1605 (28.5) 1255 (22.3)
Drinking
 No 86 (2.2) 392 (9.9) 1183 (29.9) 886 (22.4)
 Yes 154 (2.2) 729 (10.3) 2036 (28.6) 1590 (22.4)
Working types
 Ground auxiliary 102 (1.8) 382 (6.8) 1611 (28.6) 1022 (18.2)
 Tunneling 28 (1.6) 276 (15.7) 514 (29.3) 472 (26.9)
 Coal extraction 33 (3.6) 135 (14.7) 268 (29.2) 183 (19.9)
 Pulverized coal 42 (2.8) 150 (9.9) 438 (28.8) 492 (32.4)
 Underground auxiliary 35 (2.8) 178 (14.4) 388 (31.4) 307 (24.9)
Size of mine
 Large 165 (2.2) 770 (10.5) 2079 (28.2) 1576 (21.4)
 Medium 57 (2.3) 247 (10.1) 728 (29.8) 556 (22.8)
 Small 18 (1.4) 104 (8.3) 412 (33.0) 344 (27.5)
  1. PF Pulmonary function, BP Blood pressure, ECG Electrocardiogram