Abstract
Background:Health literacy can manifest as an outcome of health education and communication, and it has potential as an antecedent for changes in health-related attitudes, values, and behaviors. Effective communication is vital for the health and safety of mining industry workers, and the ability to accurately measure impact is a necessary advancement in evaluation practices. Higher-risk, production-driven industries require specialized instruments and data collection methods that are sensitive to the workplace environment and capable of generating comprehensive and representative data, with minimal impact on productivity.Objective:This research investigated the validity, reliability, and utility of the Health Communication Questionnaire (HCQ), a new instrument for measuring interactive and critical health literacy within the mining industry.Methods:The applied research methodology included HCQ readability assessment, content validity indexing, substantive validity analysis, and reliability appraisal via a test-retest procedure with regression analysis and Bland-Altman plots to evaluate intra-subject agreement.Key Results:The results demonstrate content validity, exceeding minimum target values after evidence-based refinement of the instrument via substantive validity analysis. Readability targets were met, and reliability outcomes verify that the HCQ is consistent across two time points when tested under true work conditions.Conclusion:This study determined the validity, reliability, and utility of the HCQ as an interactive and critical health literacy data collection instrument and an evidence-based solution to concerns regarding absent or highly variable evaluation of Occupational Health and Safety communication practices within the mining industry. [HLRP: Health Literacy Research and Practice. 2020;4(2):e84–e93.]Plain Language Summary:This study sought to develop and evaluate a survey instrument capable of determining health literacy indicators within the complex environment of mining industry work sites. Outcomes of this research demonstrate the Health Communication Questionnaire accurately and consistently measures two forms of health literacy and is suitable for use within the mining industry.
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