Table 2.
Item analysis of the C-SEAMS (n=374)
| Number | Item | Mean ± SD | ITC | Cronbach’s alpha (if item deleted) |
|---|---|---|---|---|
| 1 | When you get a refill of your old medicines and some of the pills look different than usual? | 1.69±0.69 | 0.512 | 0.856 |
| 2 | When a doctor changes your medicines? | 1.88±0.74 | 0.600 | 0.851 |
| 3 | When you take several different medicines each day? | 2.34±0.61 | 0.534 | 0.855 |
| 4 | When you take medicines more than once a day? | 2.01±0.71 | 0.493 | 0.857 |
| 5 | When you are away from home? | 2.11±0.65 | 0.652 | 0.848 |
| 6 | When you have a busy day planned? | 2.11±0.64 | 0.546 | 0.854 |
| 7 | When they cause some side effects? | 2.04±0.69 | 0.488 | 0.857 |
| 8 | When no one reminds you to take the medicine? | 2.07±0.69 | 0.672 | 0.847 |
| 9 | When the schedule to take the medicine is not convenient? | 1.55±0.66 | 0.462 | 0.859 |
| 10 | When your normal routine gets messed up? | 1.99±0.74 | 0.551 | 0.854 |
| 11 | When you are not sure how to take the medicine? | 2.04±0.68 | 0.561 | 0.853 |
| 12 | When you are not sure what time of the day to take your medicine? | 1.96±0.71 | 0.362 | 0.865 |
| 13 | When you are feeling sick (like having a cold or the flu)? | 1.72±0.68 | 0.509 | 0.856 |
Abbreviations: C-SEAMS, Chinese version of the Self-Efficacy for Appropriate Medication Use Scale; ITC, item-total correlation; SD, standard deviation.