Medication items: item–item correlations (homogeneity)
| Medication items | 4 | 8 | 16 | 37 | 44 | 48 |
| 4. “The side effects of medication are worse than those from angioplasty” | – | 0.210 | 0.420 | 0.215 | 0.515 | 0.224 |
| 8. “Having to carry medication when outside the home would be troublesome” | 0.210 | – | 0.413 | 0.414 | 0.211 | 0.311 |
| 16. “With medication, the side effects are often worse than the condition” | 0.420 | 0.413 | – | 0.311 | 0.516 | 0.318 |
| 37. “Organising regular prescriptions with any medication can be a nuisance” | 0.215 | 0.414 | 0.311 | – | 0.211 | 0.411 |
| 44. “The side effects of medication are worse than those from surgery” | 0.515 | 0.211 | 0.516 | 0.211 | – | 0.210 |
| 48. “Most medication is very difficult to understand” | 0.224 | 0.311 | 0.318 | 0.411 | 0.210 | – |