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Background <p>Continuum beliefs of mental health and illness are robustly negatively correlated with mental illness stigma. However, there is a lack of multidimensional and validated measures, not entirely relying on vignettes.</p> Methods <p>To develop such a scale, a pool of 37 items adapted from other studies on continuum beliefs, was initially examined in expert discussions and a convenience sample (<i>N</i> = 227, <i>M</i><sub>age</sub>=32 years, 80.6% female). Items were selected based on theoretical tenability and assigned to pre-defined facets of “<i>State</i>”, “<i>Person</i>”, and nosological “<i>Concept</i>” in relation to mental illness. In a second sample (<i>N</i> = 1375; <i>M</i><sub>age</sub>=42 years; 65.2% female), the <i>Continuum Beliefs of Mental Illness Scale (CB-MIS)</i> was psychometrically tested (i.e. factorial, convergent, discriminant validity).</p> Results <p>The scale comprises three subscales with three items, and one optional vignette-based item each, rated on a 5-point Likert scale. It showed very good factorial and discriminant validity, associations with stigma were moderately negative. The scale exhibited good test-retest reliability over a period of six months.</p> Conclusions <p>A validated, practical, multifaceted measure is offered to evaluate beliefs regarding the continuum of mental health and illness. Future studies should conduct subgroup-specific investigations regarding sociodemographic and illness variables, and could apply this measure to anti-stigma interventions.</p> Trial registration <p>German Clinical Trials Register: DRKS00023557. Registered 11/12/2020. World Health Organization, Universal Trial Number: U1111–1264–9954. Registered 16/02/2021.</p>

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Psychometric validation of the continuum beliefs of mental illness scale (CB-MIS) and its associations with stigma

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月4日

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  • Lina-Jolien Peter,
  • Thomas McLaren,
  • Samuel Tomczyk,
  • Holger Muehlan,
  • Silke Schmidt,
  • Georg Schomerus

摘要

Background

Continuum beliefs of mental health and illness are robustly negatively correlated with mental illness stigma. However, there is a lack of multidimensional and validated measures, not entirely relying on vignettes.

Methods

To develop such a scale, a pool of 37 items adapted from other studies on continuum beliefs, was initially examined in expert discussions and a convenience sample (N = 227, Mage=32 years, 80.6% female). Items were selected based on theoretical tenability and assigned to pre-defined facets of “State”, “Person”, and nosological “Concept” in relation to mental illness. In a second sample (N = 1375; Mage=42 years; 65.2% female), the Continuum Beliefs of Mental Illness Scale (CB-MIS) was psychometrically tested (i.e. factorial, convergent, discriminant validity).

Results

The scale comprises three subscales with three items, and one optional vignette-based item each, rated on a 5-point Likert scale. It showed very good factorial and discriminant validity, associations with stigma were moderately negative. The scale exhibited good test-retest reliability over a period of six months.

Conclusions

A validated, practical, multifaceted measure is offered to evaluate beliefs regarding the continuum of mental health and illness. Future studies should conduct subgroup-specific investigations regarding sociodemographic and illness variables, and could apply this measure to anti-stigma interventions.

Trial registration

German Clinical Trials Register: DRKS00023557. Registered 11/12/2020. World Health Organization, Universal Trial Number: U1111–1264–9954. Registered 16/02/2021.