Table 2 General characteristics of identified instruments

Frequency of use (N, %)

1004 (100.0)

653 (65.0)

204 (20.3)

147 (14.7)

Number of items

Mean (SD)

37.2 (35.5)

23.3 (25.8)

66.2 (50.7)

35.1 (26.8)

Median

23

14

78

27

Range

4–143

4–100

15–143

12–131

Number of dimensions

Mean (SD)

7.6 (3.8)

6.1 (3.0)

10.8 (3.7)

7.4 (3.7)

Median

8

6

9

8

Range

2–17

3–15

8–17

2–15

Number of adapted versions (N, %)

12 (27.3)

9 (56.3)

1 (11.1)

4 (21.1)

Utility score available, Yes (N, %)

5 (11.4)

5 (31.3)

0 (0.0)

0 (0.0)