John McCray Dement

Professor Emeritus in Family Medicine and Community Health
2200 W Main St Ste 400, Durham, NC 27705
(919) 684-8136

Research interest focus on occupational and environmental epidemiology including exposure assessments for epidemiological studies. Exposure assessments involve the development of new and innovative exposure assessment methods and application of these methods to cohort and case-control studies of exposed populations. Research topics include occupational lung diseases and occupational and environmental carcinogens such as asbestos fibers, man-made fibers, and benzene. Epidemiological studies involve the development of quantitative risk estimates for occupational diseases among cohorts of workers exposed to substances such as asbestos. Other ongoing occupational lung disease studies include assessments of exposures and lung diseases among construction workers at Department of Energy nuclear facilities. The objective of this research is to identify possible occupational and personal factors related to the risk of lung diseases such as asbestosis, silicosis,and COPD.

Construction industry health and safety research is another area of research focus. This research includes development of epidemiological surveillance methods for work related diseases and injuries using existing data sources such as medical claims and worker compensation data. Work related musculoskeletal diseases among carpenters are currently being studied in collaboration with the United Brotherhood of Carpenters.

Other ongoing research includes the development and implementation occupational safety and health surveillance systems for health care workers. The objective of this research is to develop, implement, and evaluate a model surveillance program which can be implemented in other health care settings. This project involves both population-based and case-based surveillance strategies. Surveillance and prevention programs for workplace violence experienced by health care workers is a research interest,

Prevention and management of diabetes and cardiovascular diseases among workers participating in multi-employyer health funds is a current area of research interest.

Education and Training

  • University of North Carolina at Chapel Hill, Ph.D. 1980


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Dement JM, Ringen K, Hines S, Cranford K, Quinn P. Lung cancer mortality among construction workers: implications for early detection. Occup Environ Med. 2020 Jan 29;
Ringen K, Dement J, Hines S, Quinn P, Chen A, Haas S. Mortality of older construction and craft workers employed at department of energy nuclear sites: Follow-up through 2016.. Am J Ind Med. 2019 Sep;62(9):742–54.

Welch LS, Dement JM, Cranford K, Shorter J, Quinn PS, Madtes DK, Ringen K. Early detection of lung cancer in a population at high risk due to occupation and smoking. Occupational and Environmental Medicine. 2018 Nov 10. PubMed Central PMCID: 30415231.

Kucera KL, Lipscomb HJ, Roos KG, Dement JM, Hootman JM. Work-Related Injury and Management Strategies Among Certified Athletic Trainers. Journal of Athletic Training. 2018 Jun 13;53(6):606-618. PubMed Central PMCID: 29897279.

Richardson DB, Keil AP, Cole SR, Dement J. Asbestos standards: Impact of currently uncounted chrysotile asbestos fibers on lifetime lung cancer risk. American Journal of Industrial Medicine. 2018 May;61(5):383-390. PubMed Central PMCID: 29573442.

Patterson B, Billings DM, Halstead JA, Yoder-Wise PS, Fitzpatrick J, Morin KH, Oermann MH. Letter to the editor. Journal of professional nursing : official journal of the American Association of Colleges of Nursing. 2018 May;34(3):157-158. PubMed PMID: 29929792. (Letter)

Dement J, Welch LS, Ringen K, Cranford K, Quinn P. Hearing loss among older construction workers: Updated analyses. American Journal of Industrial Medicine. 2018 Apr;61(4):326-335. PubMed Central PMCID: 29492986.

Dement JM, Welch LS, Ringen K, Cranford K, Quinn P. Longitudinal decline in lung function among older construction workers. Occupational and Environmental Medicine. 2017 Oct;74(10):701-708. PubMed Central PMCID: 28515054.

Stankevitz K, Dement J, Schoenfisch A, Joyner J, Clancy SM, Stroo M, Østbye T. Perceived Barriers to Healthy Eating and Physical Activity Among Participants in a Workplace Obesity Intervention. Journal of occupational and environmental medicine. 2017 Aug;59(8):746-751. PubMed PMID: 28692017.

Schoenfisch A, Dement J, Stankevitz K, Østbye T. The Relationship Between BMI and Work-Related Musculoskeletal (MSK) Injury Rates is Modified by Job-Associated Level of MSK Injury Risk. Journal of occupational and environmental medicine. 2017 May;59(5):425-433. PubMed PMID: 28379879.