Domain | Item | CVR | CVI | Final items |
---|---|---|---|---|
Perceived sensitivity | 1. To what extent does dust in the air exacerbate CVDs? | 0.9 | 0.8 | ✓ |
2. To what extent does dust in the air exacerbate a heart attack? | 1 | 1 | ✓ | |
3. To what extent does dust in the air trigger a heart attack? | 0.9 | 0.8 | ✓ | |
4. To what extent does dust in the air increase the mortality rate of CVDs? | 1 | 0.9 | ✓ | |
5. To what extent does dust in the air reduce the effectiveness of treatments? | 0.9 | 0.9 | ✓ | |
Perceived barriers | 6. It is difficult for me to use a mask during times of air pollution. | 0.9 | 0.8 | ✓ |
7. It is difficult for me to use a filtered mask during times of air pollution. | 1 | 1 | ✓ | |
8. Staying home on dusty days is boring for me. | 1 | 0.9 | ✓ | |
9. On dusty days, despite worsening symptoms, visiting a doctor or a medical center is difficult for me. | 0.9 | 0.7 | ✓ | |
Perceived severity | 10. Airborne dust can aggravate CVDs. | 0.9 | 1 | ✓ |
11. Existence of dust in the air can trigger dangerous heart attacks in CVDs. | 0.8 | 0.9 | ✓ | |
12. Existence of dust in the air can increase the mortality rate of CVDs. | 0.9 | 0.9 | ✓ | |
13. Existence of dust in the air can reduce the effectiveness of treatments. | 1 | 0.8 | ✓ | |
Perceived benefits | 14. Wearing a filter mask on high dust days can reduce the risk of complications. | 1 | 0.8 | ✓ |
15. Staying in the house on a very dusty day is good for maintaining health. | 1 | 1 | ✓ | |
16. Immediate referral to a doctor can prevent heart problems if symptoms occur on dusty days. | 0.9 | 0.9 | ✓ | |
17. Paying attention to air pollution announcements is beneficial to protect the health of the community. | 0.7 | 0.9 | ✓ | |
Cues to action | 18. My doctor advises me to use a mask when the air is dusty. | 1 | 0.9 | ✓ |
19. My doctor advises me not to go out of the house when the weather is dusty. | 1 | 0.8 | ✓ | |
20. Health center staff advise me to use a mask in dusty weather. | 0.9 | 1 | ✓ | |
21. Health center staff advise me not to go out of the house when the weather is dusty. | 1 | 0.9 | ✓ | |
22. My family and friends advise me to use a mask when the weather is dusty. | 1 | 1 | ✓ | |
23. My family and friends advise me not to go out of the house when the weather is dusty. | 1 | 0.9 | ✓ | |
24. I pay attention to the mass media warnings about using a mask when the weather is dusty. | 0.9 | 1 | – | |
25. I pay attention to the mass media warnings about not going out of the house when the weather is dusty. | 1 | 0.9 | – | |
26. I have friends who inform me when the weather is dusty. | 0.8 | 1 | – | |
Self-efficacy | 27. I can still wear a mask even when it is difficult to use in times of air pollution. | 1 | 0.9 | ✓ |
28. Even if I have work to do during times of air pollution, I can stay at home. | 0.8 | 1 | ✓ | |
29. I am able to pay more attention to my symptoms when the air is heavily polluted. | 0.9 | 0.7 | ✓ | |
30. On days when I can’t go out of the house due to air pollution, I can entertain myself at home. | 1 | 0.8 | ✓ |