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Table 1 Quality and expert appraisal of stigma instruments

From: Adaptation and preliminary psychometric properties of three self-stigma outcome measures for people living with dementia

  Psychometric Quality Appraisald Expert Appraisal
Scale Reference Content Validity Internal Consistency Criterion Validity Construct Validity Reproducibility Responsiveness Floor/Ceiling Effects Interpretability Total Criterion 1a Criterion 2b Criterion 3c Decision
Agreement Reliability
Perceived devaluation and Discrimination Questionnaire (PDDQ) Link, (1987) [40] 0 1 0 1 0 0 0 0 2 4 No Yes Yes Excluded
Coming Out Proud with Mental Illness Scale (COMIS) Corrigan et al. (2010) [41] 2 1 0 1 0 0 0 0 1 5 No No No Excluded
Stigma Stress Scale (SSS) Kaiser et al. (2004) [48] 0 1 0 1 0 0 0 0 1 3 Yes Yes Yes Included
Rüsch et al. (2009) [42] 0 1 0 1 0 0 0 0 1 7
Self-stigma of mental illness scale (SSMIS) Corrigan et al. (2006) [43] 2 1 0 0 0 2 0 0 0 5 Yes Yes Yes Included
Stigma Coping Orientation Scale (SCOS) Link et al. (1989) [49] 0 0 0 1 0 0 0 0 1 2 No Yes No Excluded
Link et al. (2002) [44] 2 0 0 0 0 0 0 0 2 4
Internalised stigma of mental illness (ISMI) Ritsher et al. (2003) [45] 2 1 1 2 0 2 0 1 1 9 No Yes No Excluded
Stigma Impact Scale (SIS) Fife & Wright, (2000) [50] 2 1 0 1 0 0 0 0 1 5 Yes Yes Yes Included
Burgener & Berger, (2008) [20] 1 1 0 1 0 0 0 0 1 4
  1. aMeasure would not require significant changes to language that would require invalidating previous psychometric findings
  2. bMeasure is acceptable and relevant for people living with dementia
  3. cMeasures serves as a feasible outcome measure for a disclosure decision-making intervention for people living with dementia (“Who to tell, how and when?”)
  4. dmodified from Terwee et al. (2007) [19], for scoring see Stansfeld et al. (2017) [26]