Table 3 Demographic and occupational characteristics according to stage of pneumoconiosis*
Stage 0 and I n = 401 | Stage II n = 121 | Stage III n = 17 | p | |
|---|---|---|---|---|
Age at first diagnosis | ||||
≤44 45–59 ≥60 | 279 (76.8%) 104 (70.7%) 18 (62.1%) | 74 (20.4%) 37 (25.2%) 10 (34.5%) | 10 (2.8%) 6 (4.1%) 1 (3.4%) | 0.109 |
Type of disease | ||||
Silicosis Mix dust pneumoconiosis Coal worker pneumoconiosis Asbestosis Other | 268 (73.8%) 103 (73.1%) 20 (95.2%) 0 10 (76.9%) | 82 (22.6%) 34 (24.1%) 1 (4.8%) 1 3 (%23.1) | 13 (3.6%) 4 (2.8%) 0 0 0 | 0.766 |
Total Dust Exposure (Years) | ||||
≤5 6–14 ≥15 | 43 (71.7%) 116 (76.8%) 242 (73.8%) | 16 (26.7%) 30 (19.9%) 75 (22.9%) | 1 (1.7%) 5 (3.3%) 11 (3.4%) | 0.852 |