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Table 1 Item bank used for ADL-CAT

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   
7. Preparing ingredients for meals 2.71/1.9 1.36/0.81   
8. Washing dishes 2.07/3.65 1.19/0.73   
9. Trash disposal 1.28/2.16 1.38/0.77   
10. Taking out the trash 1.45/4.31 1.5/1.07   
11. Washing clothes 2.12/1.93 1.23/0.65   
12. Using a telephone 0.83 −0.78   
13. Social outings 0.56 0.53   
14. Reading newspapers 0.56 0.48   
15. Reading books 0.57 1.13   
16. Using a computer 0.7 1.64   
17. Art activities 0.78 3.3   
18. Playing board games/cards 0.62 2.62   
19. Singing karaoke 0.63 2.24   
20. Going to a spa (mainly for hot/cold water treatments) 0.96 2.64   
21. Withdrawing money 1.18 1.1   
22. Volunteer work 0.66 3.54   
23. Gainful work 0.73 2.53   
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
  1. ADL-CAT activities of daily living-Computerized Adaptive Testing, GPCM generalized partial credit model