Jayani Jayawardhana, Ph.D.

Clinical and Administrative Pharmacy, Athens
Associate Professor

Curriculum Vitae

Clinical and Administrative Pharmacy, Athens


Ph.D. Economics, University of Virginia

M.A. Economics, University of Virginia

B.A. Economics and Mathematics, Agnes Scott College

Areas of Expertise

Research Areas: Health economics, health policy, pharmaceutical economics, substance use, prescription drugs and large secondary data analysis

Opportunities for Collaboration:  Health economics, health policy and health services research

Honors, Awards, and Achievements

2013-2015 Lilly Teaching Fellowship, Center for Teaching and Learning,UGA

2013-2015 Research Mentoring Fellow, Owens Institute for Behavioral Research, UGA

  • American Economic Association, Member
  • Southern Economic Association, Member
  • International Health Economic Association, Member
  • American Society of Health Economists, Member
  • Academy Health, Member
Research Interests
  • Health Economics
  • Health Policy
  • Pharmaceutical Economics
  • Industrial Organization
Selected Publications

Jayawardhana, J. (2021) “Impact of Medicaid Expansion on Mental Health and Substance Use related Emergency Department Visits,” Substance Abuse, DOI: 10.1080/08897077.2021.1941521. https://pubmed.ncbi.nlm.nih.gov/34214399/

Jayawardhana, J. & J. Fernandez. (2021) “The Associations of Medical Marijuana Policies with Opioid-related Health Care Utilization,” Health Services Research, 56(2), 299-309. https://pubmed.ncbi.nlm.nih.gov/33501701/

Jayawardhana, J., H. Bossert, & M. Gaughan. (2019) “The Impact of School Tobacco Control Policies on Youth Smoking Behavior & Cessation,” International Journal of Behavioral Medicine, 26(6), 658-664. DOI: https://doi.org/10.1007/s12529-019-09825-z

Valentini, C. A. & J. Jayawardhana. (2019) “Drug Overdose Deaths in Georgia: Impact of Rural versus non-Rural Counties,” Journal of Pharmaceutical Health Services Research, 10(3), 341-346. https://doi.org/10.1111/jphs.12296

Jayawardhana, J., Abraham, A.J.& M. Perri. (2019) “Deaths among Opioid Users: Impact of Potential Inappropriate Prescribing Practices, American Journal of Managed Care; 25(4), 294-299.

Jayawardhana, J., Abraham, A.J., & M. Perri. (2018) “Opioid Analgesics in Georgia Medicaid: Trends in Potential Inappropriate Prescribing Practices by Demographic Characteristics (2009-2014)Journal of Managed Care & Specialty Pharmacy, 24(9), 886-894.

Jayawardhana, J., Abraham, A.J., Young, H.N. & M. Perri. (2018) “Opioids in Georgia Medicaid: Gender and Insurance Disparities in Utilization and Potential Inappropriate Prescribing Practices,” Journal of Pharmaceutical Health Services Research, 9(2), 101-108.

Emerson, K.G., I. Boggero, G.V. Ostir, & J. Jayawardhana. (2017) “Pain as a Risk Factor for Loneliness among Older Adults”, Journal of Aging and Health DOI: https://doi.org/10.1177/0898264317721348

Abraham, A.J., G. Bagwell-Adams, & J. Jayawardhana. (2017) “Availability of Tobacco Cessation Services in Substance Use Disorder Treatment Programs: Impact of State Tobacco Control Policy”, Addictive Behaviors. 71, 12-17

Shah, S., H. Wei, J. Jayawardhana, M. Perri, E. Cobran, & H. Young. (2017) “Cost utility analysis of Methylphenidate and Amphetamine/Dexamphetamine in adults with Attention-deficit hyperactivity disorder (ADHD)”, Journal of Pharmaceutical Health Services Research. 8(2), 101-106.

Abraham, A.J., T.R. Rieckmann, C.A. Andrews, & J. Jayawardhana. (2016) “Health Insurance Enrollment and Availability of Medications for Substance Use Disorders,”Psychiatric Services. Published online August 15, 2016; http://dx.doi.org/10.1176/appi.ps.201500470.

Gerst-Emerson, K. & J. Jayawardhana. (2016) “Risk Factors for Loneliness in Elderly Adults,” Journal of the American Geriatrics Society, 64(4), 886-887.

Jayawardhana, J., & J. Welton. (2015) “Diagnostic Imaging Services in Magnet and non-Magnet Hospitals: Trends in Utilization and Costs” Journal of the American College of Radiology, 12(12B), 1357–1363.

Gerst-Emerson, K. & J. Jayawardhana. (2015) “Loneliness as a Public Health Issue: The Impact of Loneliness on Health Care Utilization among Older Adults” American Journal of Public Health, 105(5), 1013-1019.

Jayawardhana, J., W.D. Bradford, W. Jones, P. Nietert, & G. Silvestri (2014) “Master Settlement Agreement (MSA) Spending and Tobacco Control Efforts”, PLOS ONE, 9(12), e114706. doi:10.1371/journal.pone.0114706

Jayawardhana, J., J. Welton, & R.C. Lindrooth. (2014) “Is there a Business Case for Magnet Hospitals? Estimates of the Cost and Revenue Implications of Becoming a Magnet”, Medical Care, 52(5), 400-406.

Jayawardhana, J. (2013)  “Direct-to-Consumer  Advertising and Consumer  Welfare”,International Journal of Industrial Organization, 31(2), 164-180.

Sheidow, A., J. Jayawardhana, W.D. Bradford, S. Henggeler, & S. Shapiro (2012) “Money matters: Cost Effectiveness of Juvenile Drug Court with and without Evidence- based Treatments”, Journal of Child and Adolescent Substance Abuse, 21(1), 69-90.

Jayawardhana, J., J. Welton, & R.C. Lindrooth (2011) “Adoption of NQF Safe Practices by Magnet Hospitals”, Journal of Nursing Administration, 41(9), 350-356.

Jayawardhana, J. & R.C. Lindrooth (2009) “Adverse Selection”, Encyclopedia of Health Services Research, Sage Publications Inc.

Grant Support

Role: Co-Principal Investigator
Title: Opiod Prescribing in Medicaid: Healthcare Utilization and Deaths from Overdose
Dates: 04/2016-02/2019
Funding Agency: NIH/NIDA- R01DA0339930
Funding: $675,000

Role: Principle Investigator
Utilization of Medical Imaging Services by Magnet and non-Magnet Hospitals: Impact on Healthcare Costs
Date: 01/01/15-12/31/15
Funding Agency:
American College of Radiology/Harvey L. Neiman Health Policy Institute

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