Spearman’s correlation of responses within the revised Patients’ Attitudes towards Deprescribing (rPATD) questionnaire
| rPATD questions Spearman’s correlation (P values) | 10. I believe one or more of my medicines may be currently giving me side effects. | 21. If my doctor said it was possible I would be willing to stop one or more of my regular medicines. | 22. Overall, I am satisfied with my current medicines. |
| Burden factor | |||
| 1. I spend a lot of money on my medicines. | 0.03, 0.063 | 0.14, 0.06 | 0.16, 0.00 |
| 2. Taking my medicines every day is very inconvenient. | 0.24, 0.00 | −0.07, 0.19 | −0.28, 0.00 |
| 3. I feel that I am taking a large number of medicine. | 0.15, 0.01 | −0.096, 0.09 | −0.35, 0.00 |
| 4. I feel that my medicines are a burden to me. | 0.31, 0.00 | −0.08, 0.17 | −0.35, 0.00 |
| 5. Sometimes I think I take too many medicines. | 0.25, 0.00 | −0.22, 0.00 | −0.53, 0.00 |
| Appropriateness factor | |||
| 6. I feel that I may be taking one or medicines that I no longer need. | 0.25, 0.00 | −0.09, 0.13 | −0.38, 0.00 |
| 7. I would like to try stopping one of my medicines to see how I feel without it. | 0.06, 0.32 | −0.04, 0.48 | −0.1, 0.42 |
| 8. I would like my doctor to reduce the dose of one or more my medicines. | 0.14, 0.02 | 0.04, 0.4 | −0.25, 0.001 |
| 9. I think one or more of my medicines may not be working. | −0.11, 0.04 | 0.01, 0.8 | 0.14, 0.009 |
| 10. I believe one or more of my medicines may be currently giving me side effects. | 1 | −0.14, 0.08 | −0.31, 0.00 |
| Concerns about stopping factor | |||
| 11. I would be reluctant to stop a medicine that I had been taking for a long time. | 0.19, 0.001 | −0.3, 0.00 | −0.26, 0.001 |
| 12. If one of my medicines was stopped I would be worried about missing out on future benefits. | −0.20, 0.00 | 0.26, 0.00 | 0.55, 0.00 |
| 13. I get stressed whenever changes are made to my medicines. | 0.27, 0.00 | −0.07, 0.19 | −0.17, 0.002 |
| 14. If my doctor recommended stopping a medicine I would feel that he/she was giving up on me. | 0.12, 0.03 | −0.37, 0.00 | −0.34, 0.00 |
| 15. I have a bad experience when stopping a medicine before. | 0.19, 0.001 | −0.07, 0.22 | −0.18, 0.027 |
| Involvement factor | |||
| 16. I have a good understanding of the reasons I was prescribed each of my medicines. | 0.14, 0.01 | 0.04, 0.53 | 0.02, 0.74 |
| 17. I know exactly what medicines I am currently taking, and/or I keep an up to date list of my medicines. | 0.12, 0.03 | −0.02, 0.71 | −0.001, 0.98 |
| 18. I like to know as much as possible about my medicines. | 0.18, 0.001 | −0.08,0.14 | −0.11, 0.175 |
| 19. I like to be involved in making decisions about my medicines with my doctors. | −0.01, 0.79 | −0.01, 0.81 | 0.065, 0.45 |
| 20. I always ask my doctor, pharmacist or other healthcare professional if there is something I don’t understand about my medicines. | 0.05, 0.36 | 0.13, 0.02 | 0.18, 0.032 |
| General questions | |||
| 21. If my doctor said it was possible I would be willing to stop one or more of my regular medicines. | −0.14, 0.08 | 1 | 0.34, 0.00 |
| 22. Overall, I am satisfied with my current medicines. | −0.31, 0.00 | 0.34, 0.00 | 1 |