Corey Nagel, Ph.D., M.P.H., R.N.

Corey Nagel

Assistant Professor
Oregon Health & Science University
School of Nursing Portland Campus
3455 SW US Veterans Hospital Road, SN-6S
Portland, Ore. 97239



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I am an Assistant Professor in the OHSU/PSU School of Public Health with a joint appointment in the School of Nursing. My research focuses on the measurement and analysis of environmental exposures and their effects on the health of communities in the United States and globally, with a particular emphasis on the determinants of chronic disease and disability among older persons. My current work in the US employs geocoding to link individual-level data from large cohort studies of aging with publically available information on respondents' neighborhood environments to examine the impact of neighborhood characteristics on respondents' trajectories of health and function. My international work focuses on reducing the morbidity and mortality associated with inadequate sanitation, household air pollution, and unsafe drinking water, and our research team has been at the forefront of designing and using sensor-based technologies to objectively measure the impact of environmental health interventions in developing countries. 


2012 - Ph.D., Oregon Health & Science University
2006 - M.S., Oregon Health & Science University
2006 - M.P.H., Oregon Health & Science University
2001 - B.S.N., University of Arkansas for Medical Sciences


CPH 526/626 Epidemiology of Aging and Chronic Disease
CPH 541/641 Epidemiology I
CPH 530/630 Introduction to Biostatistics
NURS 643 Applied Health Statistics III: Longitudinal Design and Analysis
NURS 613 Research Design & Methods (co-instructor)


2016-2018 Designing, Implementing and Evaluating Low‐Cost Interventions to Improve Latrine Use among Rural Households in Odisha, India, International Initiative for Impact Evaluation (3ie), Statistical Consultant

2016-2018 Dynamic Sensors on Cookstoves to Encourage and Reinforce Healthy Behavior Change, UK DIFID/Unilever, Co-investigator

2016-2017 SBIR Phase I: Predictive Algorithms for Water Point Failure, National Science Foundation, Co-Investigator

2016-2017 Broken Pumps and Promises – Improving Service Delivery in Rural Water Points, Cisco Foundation, Co-Investigator

2015-2016 Assessing Latrine Use in Low-Income Countries: A Field Study in Rural India, Bill and Melinda Gates Foundation, Statistical Consultant

2014-2016 Inconsistencies in Chronic Disease Reports Over Time, NIA R03 AG048852, Co-Investigator

2013-2017 Assessing the Health Impact of Advanced Water Filters and Improved Cookstoves in Western Province, Rwanda: A Cluster-Randomized Controlled Trial, Del Agua Health and Development Programs, Co-Investigator

2014-2016 Using Machine Learning to Develop Comprehensive Predictive Models of Disability among Older Adults, John A Hartford Foundation, Principal Investigator

2014 CellPump Project-Rwanda, GSMA Mobile for Development Foundation, Co-Investigator

2012-2013 Healthy Aging in Oregon Communities, Northwest Health Foundation, Principal Investigator

Service Activities

Age-Friendly Portland Advisory Council, WHO Global Network of Age-friendly Cities and Communities
OHSU National Hartford Center of Gerontological Nursing Excellence, Associate Director

Publications (selected)

Snoad, C., Nagel, C., Bhattacharya, A., &Thomas, E. (2016). The effectiveness of sanitary inspections as a risk assessment tool for faecal contamination of rural drinking water: A review of data from West Bengal India. American Journal of Tropical Medicine &Hygiene. (In press).

Nagel C.L., Kirby, M., Zambrano, L., Rosa, G., Barstow, C. Thomas, E., Clasen, T. (2016). Study design of a cluster-randomized controlled trial to evaluate a large-scale distribution of cook stoves and water filters in Western Province, Rwanda. Contemporary Clinical Trials Communications, 4, 124-135.

Bohnert, K., Chard, A., Mwaki, A., Kirby, A. E., Muga, R., Nagel, C. L., Thomas, E. A., &Freeman, M. C. (2016). Comparing sanitation delivery modalities in urban informal settlement schools: A randomized controlled trial in Nairobi, Kenya. International Journal of Environmental Research and Public Health, 13(12), 1189.

Kirby, M., Nagel C., Rosa, G., Iyakaremye, L., Zambrano, L., Clasen, T. (2016). Faecal contamination of household drinking water in Rwanda: A national cross-sectional study. Science of the Total Environment, 571, 426-434.

Barstow, C, Nagel, C., Clasen, T, Thomas, E. (2016). Process evaluation and assessment of use of a large scale water filter and cookstove program in Rwanda. BMC Public Health, 16:584.

Sinha, A., Nagel, C.L., Thomas, E., Schmidt, W.P.,  Torondel, B, Boisson, S., Clasen, T. (2016). Assessing latrine use in rural India: A cross-sectional study comparing reported use and Passive Latrine Use Monitors (PLUMS). American Journal of Tropical Medicine &Hygiene, 95(3), 720-727.

Cigolle, C., Nagel, C. L., Baum, C., Liang, J., &Quiñones, A. R. (2016). Inconsistency in the self -report of chronic diseases in panel surveys: Developing an adjudication method for the Health and Retirement Study. Journals of Gerontology, Series B: Social Sciences, (epub ahead of print), doi:10.1093/geronb/gbw063

Thomas, E. A., Tellez-Sanchez, S., Wick, C., Kirby, M., Zambrano, L., Abadie Rosa, G., Clasen, T., &Nagel, C. (2016). Behavioral reactivity associated with electronic monitoring of environmental health interventions: A cluster randomized trial with water filters and cookstoves. Environmental Science &Technology,50 (7), 3773-3780.

Nagel, C.L., Beach, J., Iribagiza, C., &Thomas, E. (2015). Evaluating cellular instrumentation on rural handpumps to improve service delivery: A longitudinal study in rural Rwanda. Environmental Science and Technology,49(24), 14292-14300.

Perry, C. K., Nagel, C. L., Ko, L. K., Duggan, C., Linde, C., Rodriguez, E. L., &Thompson, B. (2015). Active living environment assessments in four rural Latino communities. Preventive Medicine Reports, 2, 818-823.