| n | % | |
| age | ||
| <40 years | 144 | 53.3 |
| ≥40 years | 126 | 46.7 |
| sex | ||
| Male | 72 | 26.7 |
| Female | 198 | 73.3 |
| complexion | ||
| tanned | 96 | 35.6 |
| black | 174 | 64.4 |
| History and comorbidities | ||
| tuberculosis | 39 | 14.4 |
| High blood pressure | 51 | 18.9 |
| diabetes | 9 | 3.3 |
| Lifestyle | ||
| tobacco | 9 | 3.3 |
| alcohol | 159 | 58.9 |
| Physical inactivity | 150 | 55.6 |
| Contraceptives | 33 | 16.7 |
| Skin creams | 75 | 27.8 |
| depigmentation | 84 | 31.1 |
| Antiretroviral treatment | ||
| With protease inhibitors | 7 | 2.6 |
| Treatment with Efavirenz | 263 | 97.4 |