Table 1 Characteristics of employees in both enterprises
From: Industrial noise: impacts on workers鈥� health and performance below permissible limits
Variables | Low-noise | High-noise | P value |
|---|---|---|---|
Age [years, M (P25, P75)] | 36 (27, 48.25) | 39 (27.75, 48.25) | 0.972 |
Gender [female, male] | 6 female 80 male | 2 female 84 male | 0.148 |
Daily working hours (n) | 5鈥�8 h: 57 (66%) | 5鈥�8 h: 54 (63%) | 0.633 |
鈥�> 8聽h: 29 (34%) | 鈥�> 8聽h: 32 (37%) | ||
Working days per week (n) | 3鈥�4 days: 2 (2%) | 3鈥�4 days: 1 (1%) | 0.507 |
5鈥�6 days: 84 (98%) | 5鈥�6 days: 85 (99%) | ||
Prior noise exposure (n) | Yes: 53 (62%) | Yes: 40 (47%) | 鈥�< 0.0001 |
No: 33 (38%) | No: 46 (53%) | ||
Noise exposure outside of work hours (n) | Yes: 13 (15%) | Yes: 24 (28%) | 0.242 |
No: 73 (85%) | No: 62 (72%) | ||
Use of hearing protection (n) | Yes: 2 (2%) | Yes: 27 (31%) | 鈥�< 0.0001 |
No: 84 (98%) | No: 59 (69%) | ||
Complaints; | |||
Tinnitus (n) | Yes: 7 (8%) | Yes: 10 (12%) | 0.739 |
No: 79 (92%) | No: 76 (88%) | ||
Difficulty understanding speech in noise (n) | Yes: 14 (16%) | Yes: 23 (27%) | 0.095 |
No: 72 (84%) | No: 63 (73%) | ||
Noise disturbance during working (n) | Yes: 8 (9%) | Yes: 14 (16%) | 0.013 |
No: 78 (91%) | No: 66 (84%) | ||