As an associate professor in nutrition science, she led a study titled Estimation of Total Usual Dietary Intakes of Pregnant Women in the United States, which found that pregnant women were not getting the proper amounts of some vitamins and minerals while also consuming excessive amounts of sodium.[5] Bailey also published the findings from her study "Feeding Infants and Toddler Study 2016" which found that 20 per cent of infants had a low intake of iron.