• Bruce W Sherman, Debra F Lawrence, Maja Kuharic, Lambros Chrones, Sheetal Patel, and Maëlys Touya.
• Case Western Reserve University School of Medicine, 117 Kemp Rd E, Greensboro, NC 27410. Email: bws@case.edu.
• Am J Manag Care. 2023 Apr 1; 29 (4): 173178173-178.

ObjectivesThe relationship between employee wage status and mental health care utilization has not been characterized in large-scale analyses. This study assessed health care utilization and cost patterns for mental health diagnoses according to wage category among employees with health insurance.Study DesignThis was an observational, retrospective cohort study for the year 2017 among 2,386,844 adult full-time employees (254,851 with mental health disorders; subgroup of 125,247 with depression) enrolled in self-insured plans in the IBM Watson Health MarketScan research database.MethodsParticipants were stratified into annual wage categories: $34,000 or less; more than $34,000 to $45,000; more than $45,000 to $69,000; more than $69,000 to $103,000; and more than $103,000. Health care utilization and costs were analyzed via regression analyses.ResultsPrevalence of diagnosed mental health disorders was 10.7% (9.3% in the lowest-wage category); prevalence of depression was 5.2% (4.2% in the lowest-wage category). Severity of mental health, and specifically depression episodes, was greater in lower-wage categories. All-cause utilization of health care services was higher in patients with mental health diagnoses vs the total population. Among patients with mental health diagnoses, specifically depression, utilization was highest in the lowest- vs highest-wage category for hospital admissions, emergency department visits, and prescription drug supply (all P < .0001). All-cause health care costs were higher in the lowest- vs highest-wage category among patients with mental health diagnoses ($11,183 vs $10,519; P < .0001), specifically depression ($12,206 vs $11,272; P < .0001).ConclusionsLower mental health condition prevalence and greater use of high-intensity health care resources highlight the need to more effectively identify and manage mental health conditions among lower-wage workers.

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