| Variables | N (%) |
| Volunteers Female Male | 20 (100) 17 (85) 3 (15) |
| Level of education Completed secondary education Incomplete primary education Complete higher education at university |
10 (50) 8 (40) 2 (10) |
| Degree of obesity III [Body Mass Index ≥ 40 Kg/m2] II [Body Mass Index 35 to 39.9 Kg/m2] |
13 (65) 7 (35) |