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Journal of General Internal Medicine
Published in: Journal of General Internal Medicine 6/2010

01-06-2010 | Original Article

Validation of the Group-Based Medical Mistrust Scale Among Urban Black Men

Authors: Rachel C. Shelton, ScD, MPH, Gary Winkel, PhD, Stacy N. Davis, MPH, Nicole Roberts, MPH, Heiddis Valdimarsdottir, PhD, Simon J. Hall, MD, Hayley S. Thompson, PhD

Published in: Journal of General Internal Medicine | Issue 6/2010

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ABSTRACT

BACKGROUND

Socioculturally relevant measures of medical mistrust are needed to better address health disparities, especially among Black men, a group with lower life expectancy and higher death rates compared to other race/gender groups.

OBJECTIVES

The study aim was to investigate the psychometric properties of the Group-Based Medical Mistrust Scale (GBMMS) in a Black male sample.

DESIGN

Data were collected as part of a randomized controlled trial testing educational strategies to support Black men’s decisions about prostate cancer screening.

PARTICIPANTS

Participants included 201 Black men ages 40–75 years recruited in New York City during 2006–2007.

MAIN MEASURES

The primary measures included: race-based medical mistrust, health care participation, avoidance of health care, perceived access to health care, health care satisfaction, racial identity, residential racial segregation, attitudes towards prostate cancer screening, and past prostate cancer screening behavior.

KEY RESULTS

An exploratory factor analysis suggested a three-factor structure. Confirmatory factor analysis supported the three-factor model. Internal consistency was high for the total GBMMS and the three sub-scales: Suspicion, Discrimination, and Lack of Support. Construct validity was supported by: significant positive correlations between GBMMS and avoidance of health care and racial identity as well as significant negative correlations with health care access, health care satisfaction, pt?>and attitudes about prostate cancer screening. ANOVA showed that the GBMMS was associated with greater residential racial segregation. Higher total GBMMS scores were associated with not visiting a physician in the last year and not having a regular physician.

CONCLUSIONS

The present findings provide strong additional evidence that the GBMMS is a valid and reliable measure that may be used among urban Black men.
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Metadata
Title
Validation of the Group-Based Medical Mistrust Scale Among Urban Black Men
Authors
Rachel C. Shelton, ScD, MPH
Gary Winkel, PhD
Stacy N. Davis, MPH
Nicole Roberts, MPH
Heiddis Valdimarsdottir, PhD
Simon J. Hall, MD
Hayley S. Thompson, PhD
Publication date
01-06-2010
Publisher
Springer-Verlag
Published in
Journal of General Internal Medicine / Issue 6/2010
Print ISSN: 0884-8734
Electronic ISSN: 1525-1497
DOI
https://doi.org/10.1007/s11606-010-1288-y

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