From: Simulation study of activities of daily living functions using online computerized adaptive testing
GPCM parameters for discrimination (D) and threshold step difficulties | ||||
---|---|---|---|---|
Item bank for ADL-CAT | D (M/F) | Step 1 (M/F) | Step 2 | Step 3 |
1. Washing face | 2.18 | −1.36 |  |  |
2. Brushing teeth | 1.73 | −1.57 |  |  |
3. Climbing stairs (up and down 1 story) | 1.14 | −0.47 |  |  |
4. Walking outside (in the neighborhood for > 15 min) | 0.8 | −0.84 |  |  |
5. Taking public transportation | 0.52 | −0.11 |  |  |
6. Preparing light meals | 1.28/2.6 | 0.68/0.3 | Â | Â |
7. Preparing ingredients for meals | 2.71/1.9 | 1.36/0.81 | Â | Â |
8. Washing dishes | 2.07/3.65 | 1.19/0.73 | Â | Â |
9. Trash disposal | 1.28/2.16 | 1.38/0.77 | Â | Â |
10. Taking out the trash | 1.45/4.31 | 1.5/1.07 | Â | Â |
11. Washing clothes | 2.12/1.93 | 1.23/0.65 | Â | Â |
12. Using a telephone | 0.83 | −0.78 |  |  |
13. Social outings | 0.56 | 0.53 | Â | Â |
14. Reading newspapers | 0.56 | 0.48 | Â | Â |
15. Reading books | 0.57 | 1.13 | Â | Â |
16. Using a computer | 0.7 | 1.64 | Â | Â |
17. Art activities | 0.78 | 3.3 | Â | Â |
18. Playing board games/cards | 0.62 | 2.62 | Â | Â |
19. Singing karaoke | 0.63 | 2.24 | Â | Â |
20. Going to a spa (mainly for hot/cold water treatments) | 0.96 | 2.64 | Â | Â |
21. Withdrawing money | 1.18 | 1.1 | Â | Â |
22. Volunteer work | 0.66 | 3.54 | Â | Â |
23. Gainful work | 0.73 | 2.53 | Â | Â |
24. Drinking | 0.82 | −2.17 | −1.12 |  |
25. Eating | 1.06 | −1.95 | −0.78 |  |
26. Bladder management | 3.23 | −1.01 | −0.36 |  |
27. Bowel management | 3.02 | −1.12 | −0.24 |  |
28. Getting up | 1.95 | −1.6 | −0.59 |  |
29. Walking inside the house | 1.77 | −1.31 | −0.36 |  |
30. Taking medicine on time | 0.93 | −1.73 | −0.09 |  |
31. Watching television | 0.55 | −2.48 | −1.35 |  |
32. Putting on clothes | 2.07 | −0.83 | −0.03 | 0.16 |
33. Taking off clothes | 2.36 | −0.87 | −0.15 | 0.04 |
34. Putting on trousers/skirts | 2.51 | −0.77 | −0.12 | 0.07 |