Ph.D. Economics, University of Virginia

M.A. Economics, University of Virginia

B.A. Economics and Mathematics, Agnes Scott College

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

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

• Health Economics
• Health Policy
• Pharmaceutical Economics
• Industrial Organization

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.

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
Title: 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
Funding: $40,984