Table 2.

Item analysis of final scale (n=179)

	Mean	Item-total correlation coefficient	Cronbach’s α if item is deleted
1. Did you forget to take your (insert drug name) at any time last week?	0.82	0.47	0.68
2. In the past month have you stopped taking (insert drug name) for any reason without telling your doctor?	0.90	0.31	0.71
3. I often forget to take my medicine.	0.58	0.39	0.70
4. I am organized about when and how I take my medicines.	0.77	0.45	0.69
5. I have a hard time paying for my medicines.	0.61	0.19	0.72
6. The print instructions on my prescription bottles are confusing.	0.91	0.29	0.71
7. Having to take medicines worries me.	0.80	0.35	0.70
8. I often have a hard time remembering if I have already taken my medicine.	0.81	0.38	0.70
9. I do not take my medicines when I am feeling sad or upset.	0.91	0.39	0.69
10. My medicines disrupt my life.	0.93	0.31	0.71
11. When my medicine causes minor side effects, I stop taking it.	0.68	0.38	0.70
12. The idea of taking medications for the rest of my life makes me very uncomfortable.	0.73	0.31	0.71