| Item | Factor loadings |
| How often do you have difficulty remembering to take all your medications? | 0.867 |
| When you feel like your condition is under control, do you sometimes stop taking your medicines? | 0.819 |
| Have you ever cut back or stopped taking your medication without telling your doctor, because you felt worse when you took it? | 0.742 |
| Do you sometimes forget to take your medications? | 0.733 |
| People sometimes miss taking their medications for reasons other than forgetting. Thinking over the past two weeks, were there any days when you did not take your medicines? | 0.654 |
| When you travel or leave home, do you sometimes forget to bring along your medications? | 0.575 |
| Taking medication everyday is a real inconvenience for some people. Do you ever feel hassled about sticking to your treatment plan? | 0.582 |
| Did you take your medications yesterday? | 0.559 |