University of Washington, Seattle, WA
Postdoctoral Scholar in Infectious Diseases, 2024-present
NIEHS T32 Postdoctoral Fellow in Epidemiology, 2021-2024
University of California, Berkeley, CA
PhD in Epidemiology, 2016-2021
MPH in Epidemiology & Biostatistics, 2014-2016
Georgetown University, Washington, DC
BS in International Health, 2008-2012
Minor in Environmental Studies | Certificate in African Studies
University of California, Office of the President
President's Dissertation-Year Fellowship Program Award, 2020
University of California, Berkeley Division of Epidemiology
Warren Winkelstein Scholarship for Excellence in Epidemiology, 2016
Block Grant Fellowship, 2014, 2015 & 2016
University of California, Berkeley Center for Public Health Practice & Leadership
Leadership Award, 2015
Georgetown University
magna cum laude, 2012
Understanding health inequities at the intersection of the HIV and substance use epidemics across racial/ethnic and other underserved populations
NIH R01DA058938, 2024-present
Role: Postdoctoral Researcher
HIV and Substance Use Cohort Coordinating Center for Emerging and High Impact Scientific Cross Cohort Studies: HIV SUCCESS
NIH U24DA058307, 2024-present
Role: Postdoctoral Researcher
The role of the social environment in the association between air pollution and cardiovascular disease
NIH R21ES033343, 2021-2023
Role: Postdoctoral Researcher
Economic support and optimized community health worker services to improve adherence to preventive treatment for tuberculosis in Tanzania
Center for Effective Global Action, 2019-2022
Role: Co-Principal Investigator
Optimizing the efficiency and implementation of cash transfers to improve adherence to antiretroviral therapy
NIH R01MH112432, 2017-2022
Role: Predoctoral Researcher
Effectiveness of a short-term incentive program for HIV treatment adherence, retention, and re-engagement in care
NIH R21MH115802, 2018-2020
Role: Predoctoral Researcher
Evaluation of the population-level impact of PMTCT Option B+ in Zimbabwe
NIH R01HD080492, 2014-2018
Role: Predoctoral Researcher
Center for the Health Assessment of Mothers and Children of Salinas (CHAMACOS) Study
NIH R01ES026994, 2016-2017
Role: Predoctoral Researcher
Venda Health Examination of Mothers, Babies and their Environment (VHEMBE) Study, South Africa
NIH R01ES020360, 2015-2016
Role: Analyst
Comparing food and cash assistance for HIV-positive men and women on antiretroviral therapy in Tanzania
NIH R03MH105327, 2014-2016
Role: Coordinator & Analyst
Peer-Reviewed Articles
Impact of financial incentives on viral suppression among adults initiating HIV treatment in Tanzania: a hybrid effectiveness–implementation trial.
Njau PF, Katabaro E, Winters S, Sabasaba A, Hassan K, Joseph B, Maila H, Msasa J, Fahey CA, Packel L, Dow WH, Jewell NP, Ulenga N, Mwena N, McCoy SI.
The Lancet HIV. 2024.
The impact of cash incentives on mental health among adults initiating antiretroviral therapy in Tanzania.
Sheira L, Ryan K, Fahey CA, Katabaro E, Sabababa A, Njau PF, McCoy SI.
AIDS Care. 2023.
Increased prevalence of depression and anxiety among adults initiating antiretroviral therapy during the COVID-19 pandemic in Shinyanga region, Tanzania.
Winters S, Sabasaba A, Fahey CA, Packel L, Katabaro E, Ndungile Y, Njau PF, McCoy SI.
AIDS Research and Therapy. 2023.
Machine learning with routine electronic medical record data to identify people at high risk of disengagement from HIV care in Tanzania.
Fahey CA, Wei L, Njau PF, Shabani S, Kwilasa S, Maokola W, Packel L, Zheng Z, Wang J, McCoy SI.
PLoS Global Public Health. 2022.
Financial incentives to improve re-engagement in HIV care: results from a randomized pilot study.
Hémono R, Kelly NK, Fahey CA, Hassan K, Msasa J, Mfaume RS, Njau PF, Dow WH, McCoy SI.
AIDS Care. 2022.
Durability of effects from short-term economic incentives for clinic attendance among HIV positive adults in Tanzania: long-term follow-up of a randomised controlled trial.
Fahey CA, Njau PF, Kelly NK, Mfaume RS, Bradshaw PT, Dow WH, McCoy SI.
BMJ Global Health. 2021;6(12):e007248.
Preparing a financial incentive program to improve retention in HIV care and viral suppression for scale: using an implementation science framework to evaluate an mHealth system in Tanzania.
Packel L, Fahey CA, Kalinjila A, Mnyippembe A, Njau PF, McCoy SI.
Implementation Science Communications. 2021;2(109).
Financial incentives to promote retention in care and viral suppression in adults with HIV initiating antiretroviral therapy in Tanzania: a three-arm randomised controlled trial.
Fahey CA, Njau PF, Katabaro E, Mfaume RS, Ulenga N, Mwenda N, Bradshaw PT, Dow WH, Padian NS, Jewell NP, McCoy SI.
The Lancet HIV. 2020;7(11): e762-e771.
Optimizing the efficiency and implementation of cash transfers to improve adherence to antiretroviral therapy: study protocol for a cluster randomized controlled trial.
Packel L, Njau PF, Fahey CA, Ramadhani A, Dow WH, Jewell NP, McCoy SI.
Trials. 2020;21(1):963.
Use of data from various sources to evaluate and improve the prevention of mother-to-child transmission of HIV programme in Zimbabwe: a data integration exercise.
Sibanda E, Webb K, Fahey CA, Kang Dufour M, McCoy SI, Watadzaushe C, Dirawo J, Chimwaza A, Taramusi I, Mushavi A, Mukungunugwa S, Padian N, Cowan F.
JIAS. 2020; 23(S3):e25524.
Implementation science using Proctor’s Framework and an adaptation of the Multiphase Optimization Strategy (MOST): Optimizing a financial incentive intervention for HIV treatment adherence in Tanzania.
Packel L, Fahey CA, Njau PF, McCoy S.
JAIDS. 2019;82:S332-S338.
Seasonality of antenatal care attendance, maternal dietary intake, and fetal growth in the VHEMBE birth cohort, South Africa.
Fahey CA, Chevrier J, Crause M, Obida M, Bornman R, Eskenazi B.
PLoS ONE. 2019;14(9):e0222888.
Association of perceived immigration policy vulnerability with mental and physical health among US-born Latino adolescents in California.
Eskenazi B, Fahey CA, Kogut K, Gunier R, Tores J, Gonzales N, Holland N, Deardorff J.
JAMA Pediatrics. 2019;173(8):744-753.
Effects of short-term cash and food incentives on food insecurity and nutrition among HIV-infected adults in Tanzania: a randomized trial.
Fahey CA, Njau PF, Dow WH, Kapologwe N, McCoy SI.
AIDS. 2019;33(3):515-524.
The heterogeneous effect of short-term transfers for improving ART adherence among HIV-infected Tanzanian adults.
Kadota JL, Fahey CA, Njau PF, Kapologwe N, Padian NS, Dow WH, McCoy SI.
AIDS Care. 2018;30(3).
The effect of a community-based medical school on the state and local physician workforce.
Phillips JP, Wendling AL, Fahey CA, Mavis BE.
Academic Medicine. 2018;93(2):306-313.
Cash vs. food assistance to improve adherence to antiretroviral therapy among HIV-infected adults in Tanzania.
McCoy SI, Njau PF, Fahey C, Kapologwe N, Kadiyala S, Jewell NP, Dow WH, Padian NS.
AIDS. 2017;31(6):815-825.
Pilot study of a multi-pronged intervention using social norms and priming to improve adherence to antiretroviral therapy and retention in care among adults living with HIV in Tanzania.
McCoy SI, Fahey C, Rao A, Kapologwe N, Njau PF, Bautista-Arredondo S.
PLoS ONE. 2017;12(5):e0177394.
Targeting elimination of mother-to-child HIV transmission efforts using geospatial analysis of mother-to-child HIV transmission in Zimbabwe.
McCoy SI, Fahey C, Buzdugan R, Mushavi A, Mahomva A, Padian NS, Cowan FM.
AIDS. 2016;30(11):1829-1837.
Thirty years training rural physicians: Outcomes from the Michigan State University College of Human Medicine Rural Physician Program.
Wendling AL, Phillips J, Short W, Fahey C, Mavis B.
Academic Medicine. 2016;91(1):113-119.
Knowledge, perception and practices about malaria, climate change, livelihoods and food security among rural communities of central Tanzania.
Mayala BK, Fahey CA, Wei D, Zinga M, Bwana V, Mlacha T, Rumisha S, Stanley G, Shayo E, Mboera L.
Infectious Diseases of Poverty. 2015;4(1):21.
Accessibility, availability and utilisation of malaria interventions among women of reproductive age in Kilosa district in central Tanzania.
Rumisha S, Zinga M, Fahey CA, Wei D, Bwana V, Malongo R, Mlozi M, Shayo E, Malima R, Stanley G, Mlacha T, Mboera L.
BMC Health Services Research. 2014;14(1):452.
Web-based environmental health education.
Anderko L, Otter A, Chalupka S, Anderko C, Fahey C.
Journal of Continuing Education in Nursing. 2013;44(3):121-127.
Book Chapters
Tsetse and trypanosomiasis: Eradication, control, and coexistence in Africa.
McCord PF, Messina JP, Fahey CA. In: King B, Crews KA, eds.
Ecologies and Politics of Health. London: Routledge; 2013.
Pre-Analysis Plans
Optimizing cash transfers to improve ART adherence (Phase 1), Tanzania.
Fahey C, Jewell N, McCoy S.
AsPredicted. 2019;21033.
Policy Briefs, Fact Sheets & Maps
Housing in Monterey County: Where you live affects your health.
Raimi + Associates. Fact sheet produced for the Monterey County Health Department Health in All Policies Initiative, 2015.
Profiles of the Medically Disenfranchised: Communities Experiencing Shortages of Primary Care Physicians.
Robert Graham Center. Maps by state and city produced for the National Association of Community Health Centers, 2014.
2012 World Population Data Sheet.
Population Reference Bureau, 2012.
The Need for Reproductive Health Education in Schools in Egypt.
Population Reference Bureau, 2012.
Evaluating air pollution exposure levels for people living with HIV in the United States.
International Society for Environmental Epidemiology Annual Meeting, 2024 Aug; Santiago, Chile.
Longitudinal disparities in air pollution exposure by racial residential segregation in the United States: a meta-analysis of harmonized multicohort data.
International Society for Environmental Epidemiology Annual Meeting, 2023 Sep; Kaohsiung, Taiwan.
Socioeconomic support to improve completion of tuberculosis preventive therapy among adults starting HIV treatment in Tanzania: a quasi-cluster randomized trial.
IAS Conference on HIV Science, 2023 Jul; Brisbane, Australia.
Disparities in climate change-related health and economic impacts for populations served by community health centers in the United States.
International Society for Environmental Epidemiology North American Chapter Meeting, 2023 Jun; Corvallis, OR.
Differential changes in air pollution exposure by racial residential segregation in the USA: a longitudinal multi-cohort study.
International Society for Environmental Epidemiology Annual Meeting, 2022 Sep; Athens, Greece.
Effects of financial incentives for clinic attendance on economic well-being among adults initiating antiretroviral therapy in Tanzania.
International AIDS Conference, 2022 Jul; Montreal, Canada.
Longitudinal associations between racial residential segregation, air pollution, and mortality.
Society for Epidemiologic Research Annual Meeting, 2022 Jun; Chicago, IL.
Evaluation of a social risk screening tool to predict retention in HIV services among adults on antiretroviral therapy receiving financial incentives for clinic attendance in Tanzania.
IAS Conference on HIV Science, 2021 Jul; Virtual.
Effects of financial incentives for clinic attendance on HIV viral suppression among adults initiating antiretroviral therapy in Tanzania: A three‐arm randomized controlled trial.
International AIDS Conference, 2020 Jul; Virtual.
Mortality after receipt of short-term incentives for HIV care among adults initiating antiretroviral therapy in Tanzania: follow-up of a randomized trial.
IAS Conference on HIV Science, 2019 Jul; Mexico City, Mexico.
Mental health and retention in HIV services among adults initiating antiretroviral therapy in Tanzania.
IAS Conference on HIV Science, 2019 Jul; Mexico City, Mexico.
Feasibility and acceptability of a biometric mHealth system for monitoring retention in HIV services and delivering financial incentives to adults initiating antiretroviral therapy in Tanzania.
IAS Conference on HIV Science, 2019 Jul; Mexico City, Mexico.
Mental health and retention in care among HIV-infected adults initiating treatment in Tanzania.
Society for Epidemiologic Research Annual Meeting, 2019 Jun; Minneapolis, MN.
Spatial analysis to identify emerging hot spots of mother-to-child HIV transmission in Zimbabwe.
Conference on Retroviruses and Opportunistic Infections (CROI), 2019 Mar; Seattle, WA.
The effects of short-term cash and food incentives on food insecurity and labor force participation among HIV-infected adults initiating antiretroviral therapy in rural Tanzania.
IAS Conference on HIV Science, 2017 Jul; Paris, France.
University of Washington School of Medicine
Postdoctoral Researcher, 2024-present
University of Washington School of Public Health
Postdoctoral Researcher, 2021-2024
University of California, Berkeley School of Public Health
Graduate Student Researcher, 2014-2021
Raimi + Associates
Health & Equity in All Policies Summer Associate, 2015
American Academy of Family Physicians, Robert Graham Center for Policy Research
GIS Support & Research Analyst, 2012-2014
Georgetown University, Center for Social Justice Research, Teaching & Service
Program Coordinator, 2009-2012
Population Reference Bureau
Data Intern, 2012
Tanzania National Institute for Medical Research
Research Intern, 2011
Michigan State University, Center for Global Change & Earth Observations
Summer Research Assistant, 2009
Statistical Analysis & Data Visualization
R, Python, Stata, SAS, Matlab, ArcGIS, Tableau, Excel
Project Manangement, Data Collection/Management
Qualtrics, Access, SharePoint, Google Drive, Atlassian
Presentation
Microsoft Office Suite, LaTeX, Markdown, Adobe Creative Suite, Github Pages
Languages
English (native), Spanish (advanced), Kiswahili (intermediate)
International Experience
Sub-Saharan Africa, Latin America