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Factor structure of The Opening Minds Stigma Scale for Health Care Providers and psychometric properties of its Hungarian version.

ABSTRACT: BACKGROUND:The Opening Minds Stigma Scale for Health Care Providers (OMS-HC) is a widely used questionnaire to measure the stigmatising attitudes of healthcare providers towards patients with mental health problems. The psychometric properties of the scale; however, have never been investigated in Hungary. We aimed to thoroughly explore the factor structure of the OMS-HC and examine the key psychometric properties of the Hungarian version. METHODS:The OMS-HC is a self-report questionnaire that measures the overall stigmatising attitude by a total score, and three subscales can be calculated: Attitude, Disclosure and Help-seeking, and Social Distance. Our study population included specialists and trainees in adult and child psychiatry (n?=?211). Exploratory and confirmatory factor analyses were performed, and higher-order factors were tested. We calculated the test-retest reliability on a subgroup of our sample (n?=?31) with a follow-up period of 1 month. The concurrent validity of the scale was measured with the Mental Illness: Clinician's Attitudes-4 scale (MICA-4). RESULTS:Three factors were extracted based on a parallel-analysis. A bifactor solution (a general factor and three specific factors) showed an excellent model-fit (root mean square error of approximation?=?0.025, comparative fit index?=?0.961, and Tucker-Lewis index?=?0.944). The model-based reliability was low; however, the general factor showed acceptable reliability (coefficient omega hierarchical =?0.56). The scale demonstrated a good concurrent validity with the MICA-4 [intraclass correlation coefficient (ICC)?=?0.77]. The test-retest reliability was excellent for the general factor (ICC?=?0.95) and good for the specific factors (ICC?=?0.90, 0.88, and 0.84, respectively). CONCLUSIONS:The three dimensions of the OMS-HC was confirmed, and the scale was found to be an adequate measure of the stigmatising attitude in Hungary. The bifactor model is more favourable as compared to the three correlated factor model; however, despite the excellent internal structure, its model-based reliability was low.

SUBMITTER: Ori D

PROVIDER: S-EPMC7552521 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Factor structure of The Opening Minds Stigma Scale for Health Care Providers and psychometric properties of its Hungarian version.

Őri Dorottya D Rózsa Sándor S Szocsics Péter P Simon Lajos L Purebl György G Győrffy Zsuzsa Z

BMC psychiatry 20201012 1

<h4>Background</h4>The Opening Minds Stigma Scale for Health Care Providers (OMS-HC) is a widely used questionnaire to measure the stigmatising attitudes of healthcare providers towards patients with mental health problems. The psychometric properties of the scale; however, have never been investigated in Hungary. We aimed to thoroughly explore the factor structure of the OMS-HC and examine the key psychometric properties of the Hungarian version.<h4>Methods</h4>The OMS-HC is a self-report quest ...[more]

PMID: 33046048

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Project description:BackgroundDiminishing stigmatization for those with mental illnesses by health care providers (HCPs) is becoming a priority for programming and policy, as well as research. In order to be successful, we must accurately measure stigmatizing attitudes and behaviours among HCPs. The Opening Minds Stigma Scale for Health Care Providers (OMS-HC) was developed to measure stigma in HCP populations. In this study we revisit the factor structure and the responsiveness of the OMS-HC in a larger, more representative sample of HCPs that are more likely to be targets for anti-stigma interventions.MethodsBaseline data were collected from HCPs (n?=?1,523) during 12 different anti-stigma interventions across Canada. The majority of HCPs were women (77.4%) and were either physicians (MDs) (41.5%), nurses (17.0%), medical students (13.4%), or students in allied health programs (14.0%). Exploratory factor analysis (EFA) was conducted using complete pre-test (n?=?1,305) survey data and responsiveness to change analyses was examined with pre and post matched data (n?=?803). The internal consistency of the OMS-HC scale and subscales was evaluated using the Cronbach's alpha coefficient. The scale's sensitivity to change was examined using paired t-tests, effect sizes (Cohen's d), and standardized response means (SRM).ResultsThe EFA favored a 3-factor structure which accounted for 45.3% of the variance using 15 of 20 items. The overall internal consistency for the 15-item scale (??=?0.79) and three subscales (??=?0.67 to 0.68) was acceptable. Subgroup analysis showed the internal consistency was satisfactory across HCP groups including physicians and nurses (??=?0.66 to 0.78). Evidence for the scale's responsiveness to change occurred across multiple samples, including student-targeted interventions and workshops for practicing HCPs. The Social Distance subscale had the weakest level of responsiveness (SRM???0.50) whereas the more attitudinal-based items comprising the Attitude (SRM???0.91) and Disclosure and Help-seeking (SRM???0.68) subscales had stronger responsiveness.ConclusionsThe OMS-HC has shown to have acceptable internal consistency and has been successful in detecting positive changes in various anti-stigma interventions. Our results support the use of a 15-item scale, with the calculation of three sub scores for Attitude, Disclosure and Help-seeking, and Social Distance.

Dataset Information

Factor structure of The Opening Minds Stigma Scale for Health Care Providers and psychometric properties of its Hungarian version.

Publications

Factor structure of The Opening Minds Stigma Scale for Health Care Providers and psychometric properties of its Hungarian version.

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