Workplace Description | Ranks | Painters group * (n = 20) | Mechanics group * (n = 20) | Control group * (n = 20) | P-value a | P-value b |
---|---|---|---|---|---|---|
Mechanical Exhaust System | Â | Â | Â | Â | Â | |
 | Good | 0 (0) | 0 (0) | 3 (15) | P < 0.027 | P < 0.027 |
 | Satisfactory | 1 (5) | 1 (5) | 5 (25) |  |  |
 | Poor | 19 (95) | 19 (95) | 12 (10) |  |  |
Workplace Ventilation | Â | Â | Â | Â | Â | |
 | Good | 0 (0) | 0 (0) | 2 (10) | P < 0.001 | P < 0.001 |
 | Satisfactory | 3 (15) | 5 (25) | 16 (80) |  |  |
 | Poor | 17 (85) | 15 (75) | 2 (10) |  |  |
Sunlight Penetration | Â | Â | Â | Â | Â | |
 | Good | 0 (0) | 0 (0) | 11 (55) | P < 0.001 | P < 0.001 |
 | Satisfactory | 20 (100) | 16 (80) | 7 (35) |  |  |
 | Poor | 0 (0) | 4 (20) | 2 (10) |  |  |
Workplace Overall Hygiene | Â | Â | Â | Â | Â | |
 | Good | 0 (0) | 0 (0) | 16 (80) | P < 0.001 | P < 0.001 |
 | Satisfactory | 1 (5) | 3 (15) | 4 (20) |  |  |
 | Poor | 19 (95) | 17 (85) | 0 (0) |  |  |