| Religion | Number | Percentage |
| Christian | 86 | 75.40 |
| Islamic | 26 | 22.80 |
| Endogenous | 2 | 1.80 |
| Total | 114 | 100.00 |
| Workplace | Number | Percentage |
| Servers (its) | 65 | 57.00 |
| Managers | 19 | 16.70 |
| Disc jockey | 17 | 14.90 |
| Bartender | 11 | 9.60 |
| Bouncers | 2 | 1.80 |
| Total | 114 | 100.00 |
| Workstation sound level | Number | Percentage |
| <80 dB | 5 | 4.39 |
| [80 dB - 90 dB[ | 26 | 22.81 |
| [90 dB - 100 dB[ | 59 | 51.75 |
| ≥100 dB | 24 | 21.05 |
| Total | 114 | 100.00 |
| Duration exposure to noise | Number | Percentage |
| Exposure time per day |
|
|
| ≤08 hours/day | 27 | 23.68 |
| >08 hours/day | 87 | 76.32 |
| Exposure time per week |
|
|
| ≤40 hours/week | 21 | 18.42 |
| >40 hours/week | 93 | 81.58 |
| Total | 114 | 100.00 |