Table 2

Assessment of measurement properties of stigma measures

Scale

Content

Validity1

Internal

Consistency2

Construct

Validity3

Test-retest

Reliability4

Floor/

ceiling effects5


1. PDD [25]

?

?

+

0

0


2. ISMI [33]

+

+

+

+

0


3. SSMIS [27]

+

?

+

+

0


4. CESQ [34]

+

0

0

0

-


5. RES [47]

?

?

+

0

-


6. DSSS [30]

?

+

+

0

0


7. SRE [35]

?

?

+

0

0


8. SS [36]

+

+

+

+

0


9. ISE [32]

+

?

0

0

0


10. SESQ [28]

?

+

+

?

0


11. HSS [49,90]

+

?

+

0

0


12. MIDUS [37]

?

+

+

0

-


13. DISC [31]

+

0

0

0

0


14. EDS [38]

?

0

+

0

0


+ = positive rating of property, ? = indeterminate rating of property, - = negative rating of property, 0 = no information available for property

For each property1-5 a positive rating of the property was made if the below criteria were met [26]

1Clear description is provided of the measurement aim, the target population, the concepts that are being measured, and the item selection, target population and (investigators or experts) were involved in item selection

2 Factor analysis performed on adequate sample size and Cronbach's alpha calculated per dimension and Cronbach's alpha between 0.70 and 0.95

3Specific hypotheses were formulated and at least 75% of results are in accordance with the hypothesis

4ICC or weighted Kappa ≥ 0.70

5 ≤ 15% of respondents achieved the highest or lowest possible scores

Brohan et al. BMC Health Services Research 2010 10:80   doi:10.1186/1472-6963-10-80

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