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This cohort study examines whether the availability of biosimilar drugs is associated with lower out-of-pocket costs for biologic medications among commercially insured patients in the US.

This cohort study investigates the association of income-based disparity with impaired kidney function among a working population in a country with universal health care.

This cross-sectional study examines differences in home health service intensity and patient outcomes between Medicare Advantage and traditional Medicare.

This cohort study evaluates the association of continuous Medicaid eligibility with postpartum health insurance, health care use, breastfeeding, and depression.

This qualitative study identifies barriers and facilitators to implementing an evidence-based community health worker model.

This qualitative study explores the perspectives and experiences of Black patients related to race, racism, and health care following a recent emergency department visit.

This cluster randomized clinical trial assesses the effectiveness of 2 social norm-based interventions on reducing guideline-discordant opioid prescribing after surgery.

This study aims to determine the potential public health and economic effects of eliminating disparities in physical activity levels among US youth socioeconomic status groups.

This qualitative study assesses how leaders in accountable care organizations respond to the incentives of the Medicare Shared Savings Program.

This cross-sectional study examines racial and ethnic differences in the receipt of telemedicine and total visits with and without accounting for demographic and clinical characteristics and geography.

This cohort study analyzes out-of-pocket spending and dispensing of prescription drugs for mental health and substance use disorders after the implementation of a New Mexico law that prohibited cost-sharing for such treatments.

This randomized clinical trial assesses whether email nudges during the 2021 special enrollment period in California’s Affordable Care Act marketplace led to increased enrollment in silver-tier health plans that cover 94% of medical costs and to increased health care utilization.