Table 2.
Baseline characteristics of Work Environment Monitoring data
| 2018 (baseline) |
2019 (follow-up) |
|||||||
|---|---|---|---|---|---|---|---|---|
| First half N (%) | Second half N (%) | First half N (%) | Second half N (%) | |||||
| Number of companies | 105 | 135 | 141 | 180 | ||||
| Company size∗ | ||||||||
| Less than 5 | 5 | (4.8) | 23 | (17.0) | 24 | (17.0) | 38 | (21.1) |
| 5–49 | 44 | (41.9) | 56 | (41.5) | 59 | (41.9) | 81 | (45.0) |
| 50–99 | 36 | (34.3) | 36 | (26.6) | 35 | (24.8) | 37 | (20.6) |
| 100–299 | 13 | (12.4) | 14 | (10.4) | 14 | (9.9) | 16 | (8.9) |
| 300–999 | 6 | (5.7) | 4 | (3.0) | 8 | (5.7) | 6 | (3.3) |
| 1000 or more | 1 | (0.9) | 2 | (1.5) | 1 | (0.7) | 2 | (1.1) |
| Workplace hazards† | ||||||||
| Noise | 78 | (74.3) | 100 | (74.1) | 98 | (69.5) | 14 | (7.8) |
| Dust | 51 | (48.6) | 63 | (46.7) | 74 | (52.5) | 93 | (51.7) |
| Organic compounds | 61 | (58.1) | 72 | (53.3) | 70 | (49.6) | 81 | (45.0) |
| Acid–alkali | 24 | (22.9) | 25 | (18.5) | 25 | (17.7) | 31 | (17.2) |
| Metals | 67 | (63.8) | 79 | (58.5) | 87 | (61.7) | 96 | (53.3) |
| Gases | 8 | (7.6) | 7 | (5.2) | 9 | (6.4) | 8 | (4.4) |
| Permitted substances | 2 | (1.9) | 1 | (0.7) | 0 | (0.0) | 0 | (0.0) |
| Heat | 3 | (2.9) | 1 | (0.7) | 5 | (3.5) | 2 | (1.1) |
| Oil mists | 29 | (27.6) | 40 | (29.6) | 51 | (36.2) | 44 | (24.4) |
∗
Based on the number of workers.
†
Number of companies can be duplicated due to multiple workplace hazards.