| Personal barriers | 1. Not admitting the disease and not being able to cope with it | 0.751 |
| 2. Lack of mental preparation for taking medicines | 0.693 |
| 3. Not being informed of the fact that through using medicines you will experience a normal lifetime | 0.683 |
| 4. Lack of awareness of the proper use of the medicines | 0.649 |
| 5. Uncertainty about the effectiveness of the medicines | 0.630 |
| 6. Considering life and health as unimportant | 0.600 |
| 7. Feeling of hopelessness and depression | 0.490 |
| 8. Lack of awareness of the risk of developing medicine resistance | 0.389 |
| Medical challenges | 9. Getting tired of constantly taking medicines | 0.477 |
| 10. Large amount of pills to be taken daily | 0.732 |
| 11. Being lazy in taking medicines | 0.687 |
| 12. Forgetting to take medication | 0.645 |
| 13. Medicine’s side effects | 0.430 |
| 14. Interference of the medications with the joy received by abusing alcohol and drugs | 0.363 |
| services quality | 15. Not having enough and proper access to consultation services | 0.730 |
| 16. Not receiving empathy from your physician | 0.658 |
| 17. Waiting for a long time to receive medicine and visit a doctor | 0.516 |
| 18. Lack of needed medicines in therapeutic centers | 0.597 |
| 19. Insufficient guidance of medical staff | 0.454 |
| 20. Bad behavior of medical staff | 0.365 |
| Financial problems | 21. The cost of traveling to therapy centers for medicines | 0.837 |
| 22. The cost of medical tests | 0.779 |
| Perceived support | 23. Not having someone to remind you when you should take the medicines | 0.845 |
| 24. Not having family care or supervision in taking medicines | 0.835 |
| 25. Lack of family emotional support | 0.531 |
| 26. Not having Emotional connection with other patients living with HIV | 0.406 |
| Disclosure of the disease | 27. Fear of the disclosure of the disease while taking medicines | 0.757 |
| 28. Bad feeling caused by discrimination in comparison with healthy people in the society | 0.707 |
| 29. Fear of others seeing the medicines | 0.647 |
| 30. Not going to take the medicines because your privacy is not preserved | 0.606 |
