Variables | Paper factories (N = 206) N (%) | Controls (N = 205) N (%) | p-value | |
---|---|---|---|---|
Work experience (in year) |  < 5 5–9  ≥ 10 Mean (± SD) | 102 (49.5) 45 (21.9) 59 (28.6) 7.9 (± 7.2) | 188 (91.7) 17 (8.3) 0 3 (± 1.7) |  < 0.001a  < 0.001b |
Working hours per day |  ≤ 8  > 8 Mean (± SD) | 187 (90.8) 19 (9.2) 8.33 (± 1.2) | 0 (0) 205 (100) 10.87 (± 0.9) |  < 0.001a  < 0.001b |
Working days per week |  ≤ 5  > 5 Mean (± SD) | 12 (5.8) 194 (94.2) 6.19 (± 0.5) | 0 205 (100) 6.8 (± 0.4) |  < 0.001a  < 0.001b |
Exposure in previous employments | Yes No | 28 (13.6) 178 (86.4) | 15 (7.3) 190 (92.7) |  < 0.05a |
Work section Recycle paper cutting Bell machine compactor and loader Pulp and recycle paper milling Roll paper production Paper and carton production Cone production | 40 (19.4) 11 (5.3) 9 (4.4) 23 (11.2) 96 (46.6) 27 (13.1) | Â | Â | |
Bio-fuel energy use | Yes No | 141 (68.5) 65 (31.6) | 90 (43.9) 115 (56.1) |  < 0.001a |
Cigarette smoking behavior | Current smoking past smoker Never smoker | 4 (1.9) 3 (1.5) 199 (96.6) | 5 (2.4) 0 200 (97.6) |  < 0.21a |
Use/wear of PPE | Yes No | 16 (7.8) 190 (92.2) | Â | Â |
Type of PPE used Mask respiratory Full face pieces respiratory Breathing apparatus | 13 (6.3) 0 3 (1.5) | Â | Â | |
Reasons for not using PPE Not available Not comfortable for work Not provided by institution The dust is not harmful | 6 (2.9) 4 (1.9) 175 (97.6) 5 (2.4) | Â | Â | |
OHS training | Yes No | 79 (38.4) 127 (61.7) | 139 (67.8) 66 (32.2) |  < 0.001a |
Supervision on OHS issues | Yes No | 48 (23.3) 158 (76.7) | 84 (41) 121 (59) |  < 0.001a |