Candice Yang Johnson, PhD, MS

Assistant Professor in Family Medicine and Community Health

Candice Johnson is an epidemiologist who studies how workplace exposures and work-related policies affect the health of workers and their families. Her research interests include fluid intake and bathroom access at work, women’s health, reproductive health, epidemiologic methods, and the roles of racism and gender discrimination in occupational health inequities.

Before coming to Duke, Dr. Johnson spent two years as an Epidemic Intelligence Service Officer and six years as an Epidemiologist at CDC’s National Institute for Occupational Safety and Health where she studied workplace hazards in populations such as flight attendants, teachers, and nurses. She also deployed in support of CDC's Ebola and Zika virus responses. Dr. Johnson received her PhD in Epidemiology from Emory University and MSc in Epidemiology from the University of Ottawa (Canada). 

Education and Training

  • University of Ottawa (Canada), M.S. 2008
  • Emory University, Ph.D. 2012


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Johnson CY, Honein MA, Rasmussen SA, Howards PP, Strickland MJ, Flanders WD, et al. Prepregnancy body mass index and spina bifida: Potential contributions of bias. Birth Defects Res. 2021 Feb 19;
Johnson CY, Chin HB. Re: "A diverse and inclusive academic membership for all". Am J Epidemiol. 2020 Dec 16;
Zhou Y, Sinnathamby V, Yu Y, Sikora L, Johnson CY, Mossey P, et al. Folate intake, markers of folate status and oral clefts: An updated set of systematic reviews and meta-analyses. Birth Defects Res. 2020 Oct 29;
Johnson CY, Chin HB. Improving Diversity and Promoting Inclusion in the Society for Epidemiologic Research Through Choice of Conference Location. American Journal of Epidemiology. 2020 Oct 1;189(10):1030–2.
Nassan FL, Chavarro JE, Johnson CY, Boiano JM, Rocheleau CM, Rich-Edwards JW, et al. Pre-pregnancy handling of antineoplastic drugs and risk of miscarriage in female nurses. Ann Epidemiol. 2020 Sep 10;
Siegel M, Johnson CY, Lawson CC, Ridenour M, Hartley D. Nonfatal Violent Workplace Crime Characteristics and Rates by Occupation - United States, 2007-2015. Mmwr Morb Mortal Wkly Rep. 2020 Mar 27;69(12):324–8.
Johnson CY, Tanz LJ, Lawson CC, Schernhammer ES, Vetter C, Rich-Edwards JW. Night shift work and cardiovascular disease biomarkers in female nurses. Am J Ind Med. 2020 Mar;63(3):240–8.
Johnson CY, Tanz LJ, Lawson CC, Howards PP, Bertone-Johnson ER, Eliassen AH, et al. Anti-Müllerian hormone levels in nurses working night shifts. Arch Environ Occup Health. 2020;75(3):136–43.
Nassan FL, Lawson CC, Gaskins AJ, Johnson CY, Boiano JM, Rich-Edwards JW, et al. Administration of antineoplastic drugs and fecundity in female nurses. Am J Ind Med. 2019 Aug;62(8):672–9.
Siegel M, Rocheleau CM, Johnson CY, Waters MA, Lawson CC, Riehle-Colarusso T, et al. Maternal Occupational Oil Mist Exposure and Birth Defects, National Birth Defects Prevention Study, 1997⁻2011. Int J Environ Res Public Health. 2019 May 4;16(9).