Table 2 Changes to the scale based on the group discussions

1. Do you contract your pelvic floor muscles?

1. I can continuously contract my pelvic floor muscles for 2 to 6 s, relax, and rest for 2 to 6 s

Combined the old items 1 and 5 to become the new item 1

2. I can continue to contract my pelvic floor muscles for 3 s or more each time, relax, and rest for 2 to 6 s

Deleted the old item 2 because it was redundant

3. I can repeat the above (last) action for 15 to 30 min

Deleted the old item 3 because it was redundant

4. I can do pelvic floor muscle training three times a day

Deleted the old item 4 because it was redundant

5. I can continue to contract my pelvic floor muscles for 2 to 6 s each time, relax, and rest for 2 to 6 s

Combined the old items 1 and 5 to become the new item 1

6. I can repeat the above action (the previous one) 10 to 15 times

2. I can repeat the above action (item 1) 10 to 15 times

Kept the old item 6 as the new item 2

7. I can do the above actions (the last two) and train 3 to 8 times a day

3. I can do the above actions (items 1 and 2) and train 3 to 8 times a day

Kept the old item 7 as the new item 3

8. I can do pelvic floor muscle training at any time and in any place

Deleted the old item 8 because it was redundant

9. I can do pelvic floor muscle training when standing, sitting, and lying down

4. I can do pelvic floor exercises when standing, sitting, and lying down

Modified the old item 9 as the new item 4

10. I can persist in pelvic floor muscle training for 8 weeks

5. I can persist in pelvic floor muscle training for 8 weeks

Kept the old item 10 as the new item 5

11. I can persist in pelvic floor muscle training for 2 to 3 months

Deleted the old item 11 because it was redundant

12. I can do bladder training

Combined the old items 12, 13, and 22 to become the new item 10

13. I can do bladder training every day

Combined the old items 12, 13, and 22 to become the new item 10

14. Before going to the toilet each time, I can contract my pelvic floor muscles until the sense of urgency disappears and then relax, and then urinate after 1 to 3 min

6. Before going to the toilet every time, I can contract my pelvic floor muscles until the sense of urgency disappears and then relax, and then urinate after 1 to 3 min

Kept the old item 14 as the new item 6

15. I can prolong the urination time

Deleted the old item 15 because it was redundant

16. I can control the urination time and gradually extend it to once every 2 to 3 h

7. I can gradually extend the interval between two urinations to 2 to 4 h

Combined and modified the old items 16 and 17 to become the new item 7

17. I can gradually prolong the interval between urination, and urinate once every 2 to 3 h

Combined and modified the old items 16 and 17 to become the new item 7

18. I can delay urination and make the volume of urination more than 300 ml each time

Deleted the old item 18 because it was redundant

19. I can delay urination so that the urination volume is less than 350 ml each time

8. I can delay urination so that the urination volume is less than 350 ml each time

Kept the old item 19 as the new item 8

20. I can urinate regularly

Deleted the old item 20 because it was redundant

21. I can urinate regularly once every 2 h in the daytime and once every 4 h at night

9. I can urinate regularly once every 2 h in the daytime and once every 4 h at night

Kept the old item 21 as the new item 9

22. I can persist in bladder training for more than 4 to 8 weeks

10. I can persist in bladder training for 8 weeks

Combined the old items 12, 13, and 22 to become the new item 10

23. I can record a urination diary

Deleted the old item 23 because it was redundant

24. I can record a urination diary every day

11. I can record a urination diary every day

Kept the old item 21 as the new item 11

25. I can record a 24-h urination diary for more than 1 week

12. I can record a urination diary for 7 days

Modified the old item 25 to the new item 12