Table 2: Principal components analysis followed by varimax rotation factor loadings and item-total correlations of items of the drug use health beliefs scale (n = 210).
Scale items | Corrected item-total correlation | Cronbach's alpha of items | Factor loading of items | Variance |
Perceived susceptibility | 0.89 | 16.4% | ||
1. If I use non prescription drug, likelihood harm is very high for me. | 0.725 | 0.873 | 0.670 | |
2. If I use a non prescription drug, drug allergy is likely high. | 0.751 | 0.869 | 0.659 | |
3. If I use non prescription drug, I possibly will death. | 0.645 | 0.889 | 0.687 | |
4. If I use non-prescription drug, my body and organs damage. | 0.726 | 0.873 | 0.652 | |
5. Others suggest the drugs will harm to me. | 0.726 | 0.873 | 0.708 | |
6. I do not suggest my drug to others for causing damage. | 0.740 | 0.871 | 0.730 | |
Perceived severity | 0.80 | 14.5% | ||
7. A drug allergy scares me. | 0.522 | 0.786 | 0.618 | |
8. When I think damage/adverse of drugs to body, I will be stress. | 0.565 | 0.777 | 0.797 | |
9. I am afraid of think allergy of non prescription drug. | 0.657 | 0.755 | 0.747 | |
10. I live problems concerning side effects/damage of non-prescription drug to be continuing a very long time. | 0.677 | 0.753 | 0.631 | |
11. If I use non-prescription drug, my concrete surroundings can undermine confidence to me in my environmental relationship. | 0.436 | 0.808 | 0.475 | |
12. If I use incorrect and non-prescription drug, it can do serious changes in my life (loss of vision). | 0.561 | 0.777 | 0.506 | |
Health motivation | 0.92 | 13.7% | ||
13. I would like to make early discovery my health problems. | 0.755 | 0.921 | 0.691 | |
14. To be healthy is very important for me. | 0.825 | 0.911 | 0.774 | |
15. I investigate new information to improve my health. | 0.771 | 0.918 | 0.717 | |
16. I learn new information for use of correct drug. | 0.790 | 0.916 | 0.723 | |
17. I think it is important I do behaviours and knowledge to be improve my health. | 0.851 | 0.908 | 0.803 | |
18. I use prescription drug. | 0.766 | 0.919 | 0.691 | |
Perceived benefits | 0.90 | 10.0% | ||
19. To use prescription drug for my benefit. | 0.838 | 0.861 | 0.825 | |
20. To use prescription drug provides my healing. | 0.798 | 0.875 | 0.785 | |
21. To use prescription drug, drug poisoning (allergies) can decrease or completely blocked. | 0.758 | 0.889 | 0.780 | |
22. To use prescription drug protects my legal rights. | 0.764 | 0.888 | 0.742 | |
Perceived barriers | 0.84 | 9.1% | ||
23. To take prescription drug very difficult for me due to process. | 0.536 | 0.830 | 0.502 | |
24. Procedures of take prescription drug get my very time. | 0.608 | 0.815 | 0.598 | |
25. No one will help me for taking prescription drug. | 0.710 | 0.795 | 0.727 | |
26. I do not have to comply tedious procedures since non prescription drugs heal me. | 0.681 | 0.801 | 0.679 | |
27. If drug make heal, prescription is not needed for drug. | 0.550 | 0.827 | 0.513 | |
28. I do not have time to get prescription drug. | 0.626 | 0.812 | 0.563 | |
Self-efficacy | 0.93 | 5.2% | ||
29. I know the procedure of getting prescription drug. | 0.580 | 0.944 | 0.555 | |
30. I am able to use my drug correctly. | 0.859 | 0.913 | 0.819 | |
31. I can heal using my drug correctly. | 0.867 | 0.912 | 0.827 | |
32. I can get drug information from explained to me and I can correct use my drug. | 0.742 | 0.925 | 0.693 | |
33. I can get the information required since I can correct use drug. | 0.864 | 0.913 | 0.824 | |
34. I can use my drugs correct doses. | 0.847 | 0.915 | 0.844 | |
35. I can use my drug recommended time intervals. | 0.767 | 0.922 | 0.737 | |
Total | 0.91 | 69.1% |