Publications

Peer-Reviewed Publications

1. Fung V, Cheng D, Price M, Khong K, Yang Z, Marcondes FO, Koma JW, Hsu J, Alegria M, Newhouse JP. (2026) State Expansions in Medicaid Financial Assistance for Low-Income Medicare Beneficiaries: Changes in Enrollment and Use. Health Services Research. 61(3): e70116.

2. Yang Z, Cheng D, Price M, Khong K, Duong T, Koma JW, Hsu J, Alegria M, Newhouse JP, Fung V. (2026) Medicaid Retention After Transition to Medicare Among Adults With Expansion Coverage. JAMA Network Open. 9(4): e268560.

3. Koma JW, Khong K, Freitas Dias A, Babbs G, Rosenthal M, Charlton B, Huskamp H, McDowell A, Fung V. (2026) Unmet mental health need and barriers to care among transgender and cisgender adults. American Journal of Preventive Medicine. 70(5): 108246.

4. Koma JW, Yang Z, Price M, Cheng D, Marcondes F, Khong K, Hsu J, Alegria M, Newhouse JP, Fung V. (2025) Qualified Medicare Beneficiary Program: Enrollment Trends and Characteristics of Low-Income Beneficiaries. Health Affairs. 44(7): 878–886.

5. Bleich SN, Koma JW, Jernigan VBB. (2023) The Worsening Problem of Food Insecurity. JAMA Health Forum. 4(11): e234974.

6. Agénor M, Koma JW, Pérez AE, McDowell A, Gonzales G. (2023) Differences in Health Insurance and Usual Source of Care Among Racial/Ethnic and Sexual Orientation Subgroups of U.S. Women and Men. Population Research and Policy Review. 42: 33.

7. Koma JW, Fugelsten Biniek J, Cubanski J, Neuman T. (2023) Access Problems and Cost Concerns of Younger Medicare Beneficiaries Exceeded those of Older Beneficiaries in 2019. Health Affairs. 42(4): 470–478.

8. Koma JW, Vercammen KA, Jarlenski MP, Frelier JM, Bleich SN. (2020) Sugary Drink Consumption among Children by Supplemental Nutrition Assistance Program Status. American Journal of Preventive Medicine. 58(1): 69–78.

9. Agénor M, Pérez AE, Koma JW, Abrams JA, McGregor AJ, Ojikutu BO. (2019) Sexual Orientation Identity, Race/Ethnicity, and Lifetime HIV Testing in a National Probability Sample of U.S. Women and Men: An Intersectional Approach. LGBT Health. 6(6): 306–318.

10. Vercammen KA, Koma JW, Bleich SN. (2019) Trends in Energy Drink Consumption Among U.S. Adolescents and Adults, 2003–2016. American Journal of Preventive Medicine. 56(6): 827–833.

11. Jarlenski M, Koma JW, Zank J, Bodnar L, Tarr JA, Chang JC. (2018) Media Portrayal of Prenatal and Postpartum Marijuana Use in an Era of Scientific Uncertainty. Drug and Alcohol Dependence. 187: 116–122.

12. Bleich SN, Vercammen KA, Koma JW, Li Z. (2018) Trends in Beverage Consumption Among Children and Adults, 2003–2014. Obesity. 26(2): 432–441.

13. Koma JW, Donohue JM, Barry CL, Huskamp HA, Jarlenski M. (2017) Medicaid Coverage Expansions and Cigarette Smoking Cessation Among Low-income Adults. Medical Care. 55(12): 1023–1029.

14. Jarlenski M, Koma JW, Zank J, Bodnar LM, Bogen DL, Chang JC. (2017) Trends in Perception of Risk of Regular Marijuana Use among US Pregnant and Nonpregnant Reproductive-aged Women. American Journal of Obstetrics and Gynecology. 217(6): 705–707.