Background: Health insurance literacy (HIL) is defined as a person's ability to seek, obtain, and understand health insurance plans, and once enrolled use their insurance to seek appropriate health care services. Objective: The objectives of this study were to assess sociodemographic disparities in HIL, including knowledge of health insurance terms and costs, and confidence in using insurance to access health care in a nationally representative adult sample. Methods: We conducted a secondary data analysis of the Health Reform Monitoring Survey, which included 15,168 adults age 18 years and older who responded to surveys in the third quarter of 2015 and first quarter of 2016. Rao-Scott chi-square tests and weighted logistic regression were used for analysis. Key Results: The majority of our sample (51%) reported having inadequate HIL as measured by knowledge of basic insurance terms, and close to one-half (48%) had low confidence in using their insurance to access health care. Logistic regression analysis indicated significant disparities in HIL, with multiple groups identified as being at higher risk for having inadequate HIL (as measured by both knowledge and use of health insurance). These included young adults, women, those with Hispanic ethnicity, those who were not U.S. citizens, and those who were currently unmarried. Also identified to be at risk were those who are unemployed, uninsured, and enrolled in public health insurance plans, and those with lower levels of education and income. Most had inadequate knowledge of their annual out-of-pocket costs and insurance plan's deductible amounts. Conclusions: One-half of U.S. adults rate themselves as having inadequate HIL. Sociodemographic disparities in self-reported HIL underscore the need for increased consumer education, as well as efforts to simplify the health care system by promoting value-based care, supporting delivery system reforms, and designing services to be responsive to consumer HIL needs and abilities. [ HLRP: Health Literacy Research and Practice . 2019;3(4):e250–e258.] Plain Language Summary: In a nationally representative sample of 15,168 adults, the majority had low knowledge about basic health insurance terms and had difficulty using health insurance to access needed health care services. These findings indicate that health insurance literacy is a major concern in our community that disproportionately affects some underserved groups more than others, including young adults, groups with low-income, and people who are uninsured.

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Background: Despite increases in the number of insured Americans, consumers continue to face barriers in accessing care. Low levels of health insurance literacy (HIL) are associated with suboptimal use of health insurance coverage. There remains a need to further contextualize the relationship between HIL and access to care, especially among insured working-class people. Objective This study was conducted to understand the pathways through which HIL affects health care decision-making and access to care in an urban working-class population. Methods: Using a qualitative descriptive approach, we conducted five focus groups with 45 adult residents of South Louisville, Kentucky. The questions explored participants' experiences of insurance enrollment, use, and health care system navigation, as well as their perceptions and needs regarding accessing health insurance information. Using inductive thematic analysis, transcripts were open coded independently by team members, a focused coding framework was agreed upon, and emergent themes were identified through constant comparison techniques. Key Results: Most participants placed high value on their insurance, considering it the most important benefit employers offer. Despite having adequate HIL, most participants expressed frustration with the amount of time and effort they spent to determine the best insurance plan, obtain covered health services, and settle claims, often with ineffective results. Despite having insurance, cost considerations influenced many participants' decisions to accept certain tests or treatments, in some cases resulting in delayed or foregone care. Conclusions: The findings of this qualitative study indicate that obtaining health care is strongly influenced both by the individual context of HIL knowledge, experience, and life circumstances, and by the structural context of the complex, bureaucratic, and costly health care system. Interventions to improve HIL should include practical examples and real-life scenarios, because HIL gained from experiential narratives was the most useful in navigating the health care system. [ HLRP: Health Literacy Research and Practice . 2022;6(2):e61–e69.] Plain Language Summary: By conducting focus groups with a working-class population, this study contextualizes the pathways through which HIL affects consumers' health care decision-making and access to care. Findings demonstrate that obtaining health care is strongly influenced both by the individual context of HIL knowledge, experience, and life circumstances, and by the structural context of the complex, bureaucratic, and costly health care system.