| Variables | Workforce | Percentage (%) |
| Age range |
| |
| ≤25 years old | 18 | 16.63 |
| 26 - 35 years | 22 | 20.5 |
| 36 - 45 years | 24 | 22.43 |
| ≥45 years old | 43 | 40.43 |
| Gender |
| |
| Male | 58 | 55.48 |
| Female | 48 | 44.58 |
| Clinical signs |
| |
| Epigastralgia | 80 | 74.76 |
| Odynophagia | 40 | 37.38 |
| Nausea/vomiting | 30 | 28.03 |
| Pyrosis/Regurgitation | 23 | 21.16 |
| Hoquet | 26 | 24.29 |
| Dysphagia | 17 | 15.88 |
| Asymptomatic | 14 | 13.08 |
| Regurgitation | 8 | 8.56 |