| Variable | n | % |
|---|---|---|
| Sex | - | - |
| Male | 24 | 40.0 |
| Female | 36 | 60.0 |
| Age | - | - |
| < 60 years | 33 | 55.0 |
| ≥ 60 years | 27 | 45.0 |
| Education level | - | - |
| Illiterate | 5 | 8.3 |
| Primary | 14 | 23.3 |
| Secondary | 17 | 28.3 |
| Higher | 24 | 40.1 |
| Employed | - | - |
| Yes | 41 | 68.3 |
| No | 19 | 31.7 |
| Individual monthly income | - | - |
| None | 16 | 26.7 |
| 1 to 3 times the minimum wage | 28 | 46.7 |
| 4 or more times the minimum wage | 15 | 25.0 |
| Not provided | 1 | 1.6 |
| Monthly family income | - | - |
| 1 to 3 times the minimum wage | 36 | 60.0 |
| 4 or more times the minimum wage | 22 | 36.7 |
| Not provided | 2 | 3.3 |
| Rheumatic disease | - | - |
| Rheumatoid arthritis | 36 | 60.0 |
| Ankylosing spondylitis | 16 | 26.7 |
| Psoriatic arthritis | 8 | 13.3 |
| Immunobiological | - | - |
| Adalimumab | 32 | 53.3 |
| Etanercept | 16 | 26.7 |
| Golimumab | 4 | 6.7 |
| Certolizumab pegol | 2 | 3.3 |
| Abatacept | 3 | 5.0 |
| Secukinumab | 3 | 5.0 |
| Location in the refrigerator where the immunobiological medicine was stored | - | - |
| Shelf | 51 | 85.0 |
| Freezer | 1 | 1.7 |
| Drawer | 5 | 8.3 |
| Door | 3 | 5.0 |