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Association of Tobacco Dependence Treatment Coverage Expansion with Smoking Behaviors among Medicaid Beneficiaries Living with Substance Use Disorder. | LitMetric

AI Article Synopsis

  • Many U.S. states improved Medicaid coverage for tobacco dependence treatment (TDT) in the last fifteen years, but its effects on smoking behaviors, particularly for individuals with substance use disorders (SUD), are unclear.
  • A study using data from the National Survey on Drug Use and Health (2009-2018) examined the smoking habits of Medicaid beneficiaries aged 18-64 with SUD, finding that the expansion of TDT coverage did not significantly impact smoking cessation or nicotine dependence.
  • The research concluded that comprehensive TDT coverage did not lead to changes in smoking behaviors among Medicaid beneficiaries with SUD, suggesting that additional interventions may be required to effectively address smoking among this population.

Article Abstract

Introduction: Many U.S. states expanded the generosity of Medicaid insurance coverage of tobacco dependence treatment (TDT) over the last fifteen years, but little is known about how coverage impacts cigarette smoking, especially for individuals with substance use disorder (SUD).

Methods: Data are from the 2009-2018 National Survey on Drug Use and Health (NSDUH) and include Medicaid beneficiaries 18-64 years old with past year SUD who smoked at least 100 cigarettes in their lifetime. Outcomes were smoking cessation, nicotine dependence, and number of cigarettes smoked per month. Difference-in-differences models were estimated for smoking behavior by state and year of comprehensive TDT coverage, estimating multivariable linear probability models, adjusted for sociodemographic characteristics, co-occurring mental illness, and area-level provider supply. All data were analyzed in 2023 and 2024.

Results: Rates of nicotine dependence among individuals with past-year SUD increased slightly between 2009 and 2018 among individuals living in states with comprehensive TDT coverage (55.6% to 58.6%) and changed little among individuals living in states with no or partial TDT coverage (60.0% to 59.5%). Quit rates increased for individuals with SUD during this time, with no differences by comprehensive TDT coverage. In adjusted models, no significant association between comprehensive Medicaid TDT coverage and smoking behaviors was identified (e.g., cessation: β=-0.02, CI [-.08, .04]). One-year lagged outcomes and sensitivity analyses accounting for the differential time of initiation of state policies demonstrated similar results.

Conclusions: Comprehensive TDT coverage had no differential effect on smoking cessation among ever smokers with or without SUD, and its expansion was not associated with changes in smoking behaviors for Medicaid beneficiaries with SUD. Other multilevel interventions may be needed to impact smoking cessation rates, such as awareness and education campaigns of expanded TDT coverage benefits, and interventions that reduce social and structural barriers to treatment.

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Source
http://dx.doi.org/10.1016/j.amepre.2024.11.010DOI Listing

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