Subscales obtained after principal component analysis
| Factor loadings | |
|---|---|
| *This item was reverse scored, hence factor loading is not negative. | |
| Subscale 1: Perceived necessity (α = 0.71; n = 78) | |
| Q5. I have a clear picture of how cardiac rehabilitation will help the health of my heart | 0.739 |
| Q7. I have a clear picture of what I want to achieve by attending cardiac rehabilitation | 0.698 |
| Q1. Attending cardiac rehabilitation may help the long-term recovery of my heart condition | 0.677 |
| Q6. Some aspects of the cardiac rehabilitation programme are unnecessary for me* | 0.665 |
| Q20. I hope that attending cardiac rehabilitation may help me to return to work more quickly | 0.653 |
| Subscale 2: concerns about exercise (α = 0.79; n = 96) | |
| Q10. I am worried that some aspects such as exercise may be harmful to me | 0.794 |
| Q19. I am worried that I may not be able to keep up with the exercise part | 0.748 |
| Q17. I may not feel physically fit enough to attend cardiac rehabilitation | 0.695 |
| Subscale 3: practical barriers (α = 0.70; n = 75) | |
| Q14. The cost of transport may prevent me from attending cardiac rehabilitation | 0.855 |
| Q13. Availability of transport will influence my decision to attend cardiac rehabilitation | 0.718 |
| Q22. It would be financially difficult to take time off work to attend cardiac rehabilitation | 0.686 |
| Subscale 4: perceived suitability (α = 0.74; n = 100) | |
| Q24. Younger people are more likely to benefit from cardiac rehabilitation than an older, less active person | 0.863 |
| Q23. Cardiac rehabilitation is probably more suitable for people who have been previously active | 0.770 |