Research Article
Respiratory Symptoms due to Occupational Exposure to Formaldehyde and MDF Dust in a MDF Furniture Factory in Eastern Thailand
Table 4
Respiratory allergic symptom.
| | Variables | Formaldehyde exposed group (ppm) | Total
(%) | MDF dust exposed group (mg/m3) | Total
(%) | Low
(0.66–3.44) | Moderate
(3.45–6.89) | High
(>6.89) | Low
(1.71–3.18) | Moderate
(3.19–6.37) | High
(>6.37) |
| | (1) Difficulty breathing after being exposed to MDF dust | 27 (7.2) | 3 (6.8) | 0 (0) | 30 (6.8) | 5 (4.3) | 7 (5.3) | 18 (9.5) | 30 (6.8) | | (2) Chest discomfort when exposed to MDF dust | 90 (24.2) | 6 (13.6) | 3 (13.6) | 99 (22.6) | 15 (12.9) | 33 (25) | 51 (26.8) | 99 (22.6) | | (3) Being more exhausted than people of the same age when walking on a flat surface | 54 (14.5) | 6 (13.6) | 3 (13.6) | 63 (14.4) | 14 (12.1) | 16 (12.0) | 33 (17.4) | 63 (14.4) | | (4) Having wheeze during the daytime or night-time | 56 (15) | 2 (4.5) | 4 (18.2) | 62 (14.1) | 14 (12.1) | 13 (9.8) | 35 (18.4) | 62 (14.1) |
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