| Characteristic | Case | Control | P value |
| Age | n (%) | n (%) |
|
| <45 years | 1 (2.4) | 0 (0.0) | 0.15 |
| 45 - 60 years | 20 (48.8) | 20 (57.1) | |
| >60 years | 20 (48.8) | 15 (42.9) | |
| Total | 41 (100.0) | 35 (100.0) | |
| Gender |
|
|
|
| Male | 36 (87.8) | 27 (77.1) | 0.22 |
| Female | 5 (12.2) | 8 (22.9) | |
| Total | 41 (100.0) | 35 (100.0) | |
| Education |
|
|
|
| Not educated | 7 (17.1) | 8 (22.9) | 0.016 |
| Pre-university | 31 (75.6) | 25 (71.4) | |
| University | 3 (7.3) | 2 (5.7) | |
| Total | 41 (100.0) | 35 (100.0) | |
| Occupation |
|
|
|
| Free business | 10 (24.4) | 15 (42.9) | 0.25 |
| Employee | 14 (34.1) | 8 (22.9) | |
| Retiree | 17 (41.5) | 12 (34.3) | |
| Total | 41 (100.0) | 35 (100.0) | |
| 3 - 7 days | 31 (75.6) | 20 (57.1) | |
| >7 days | 3 (7.3) | 6 (17.1) | |
| Total | 41 (100.0) | 35 (100.0) | |
| Body mass index (BMI) |
|
|
|
| Underweight (<18.5) | 3 (7.3) | 2 (5.7) | 0.52 |
| Normal (18.5 - 24.9) | 15 (36.6) | 13 (37.1) | |
| Overweight (25 - 29.9) | 19 (46.3) | 15 (42.9) | |
| Obese (≥30) | 4 (9.8) | 5 (14.3) | |
|
| 41 (100.0) | 35 (100.0) |