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Development and validity of the Value-based Stigma Inventory (VASI): a value-sensitive questionnaire for the assessment of mental health stigma

BACKGROUND: It has been hypothesized that mental illness stigma differs according to what matters most to people, and that this results in value-based differences in stigma within societies. However, there is a lack of stigma measures that account for a broad range of values, including modern and li...

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Detalles Bibliográficos
Autores principales: Rieckhof, Sophia, Sander, Christian, Speerforck, Sven, Prestin, Elke, Angermeyer, Matthias C., Schomerus, Georg
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8594194/
https://www.ncbi.nlm.nih.gov/pubmed/34781933
http://dx.doi.org/10.1186/s12888-021-03427-4
Descripción
Sumario:BACKGROUND: It has been hypothesized that mental illness stigma differs according to what matters most to people, and that this results in value-based differences in stigma within societies. However, there is a lack of stigma measures that account for a broad range of values, including modern and liberal values. METHODS: For the development of the Value-based Stigma Inventory (VASI) a preliminary item-pool of 68 VASI-items was assembled by mental health and stigma experts. For psychometric evaluation, we tested the VASI in an online sample of the general population (n = 4983). RESULTS: Based on item-characteristics as well as explorative and confirmatory factor analyses, a final version of the VASI was developed, comprising 15 items and 5 subscales. The VASI shows good psychometric properties (item difficulty = 0.34 to 0.67; mean inter-item correlation r = 0.326; Cronbach’s α = 0.879). Medium to high correlations with established stigma scales (SDS, SSMI), medium associations with instruments assessing personal values (PVQ, KSA-3) and small to no associations with a social desirability scale (KSE-G) attest to good convergent and discriminatory validity of the new instrument. Normative values for the VASI subscales are presented. CONCLUSIONS: The developed VASI can be used to assess public stigma of mental illness including personal stigma-relevant value orientations. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12888-021-03427-4.