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Table 1 SBQ-ID, Test suitability and Test-retest reliability

From: Self-reported measures in health research for people with intellectual disabilities: an inclusive pilot study on suitability and reliability

Items

Test suitability (N = 40)

Test-retest reliability (N = 15)

How many hours are you sitting on a weekday/Saturday/Sundaya when you are....

N non-quantifiable answers

N missing answers

N

ICC (95% CI)

Eating or drinking

3

5

14

0.09 (−0.45;0.56)

Watching TV, movies, or series

3

8

13

0.35 (−0.22;0.74)

Using computer or tablet

3

7

13

0.26 (−0.32;0.69)

Listening to music on radio or CD

4

9

12

0.30 (−0.30;0.73)

Using a telephone

4

8

13

0.36 (−0.22;0.75)

Playing a musical instrument

5

11

12

0.79 (0.42;0.94)

Reading

6

10

13

0.26 (−0.31;0.70)

Travelling

5

9

11

−0.14 (− 0.66;0.48)

  1. aThis question was asked separately for a weekday, Saturday, and Sunday; values are reported for average per week