Measuring health beliefs in Spanish‐speaking Mexican Americans with type 2 diabetes: Adapting an existing instrument*

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Abstract
Mexican Americans bear a disproportionate burden of type 2 diabetes, and although clinicians and researchers are beginning to develop culturally competent interventions, few instruments are available for measuring variables relevant to health outcomes. The purpose of this study was to determine the psychometric properties of a diabetes‐related health belief instrument translated for use with Spanish‐speaking Mexican Americans. Three hundred and twenty‐six Spanish‐speaking Mexican Americans from Starr County, a Texas–Mexico border community, diagnosed with type 2 diabetes participated in the study. Factor analysis was used to examine the factor structure of the instrument, and reliability testing was conducted to determine the internal consistency of the resulting factors. The final instrument had 25 items with four subscales—Barriers, Social Support for Diet, Impact of Job on Therapy, and Benefits of Therapy—and one item to measure, Control. Internal consistency coefficients for these subscales were .56, .62, .86, and .90, respectively. The translated instrument needs to be tested over time with other Hispanic populations. © 2002 Wiley Periodicals, Inc. Res Nurs Health 25:145–158, 2002