Assessment of Healthcare Professionals Knowledge About Warfarin-Vitamin K Drug-Nutrient Interactions
R. Rebecca Couris, PhD, RPh,,
Gary R. Tataronis, MS,
Gerard E. Dallal, PhD,
Jeffrey B. Blumberg, PhD, FACN and
Johanna T. Dwyer, DSc
Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (R.R.C., G.E.D., J.B.B., J.T.D.), Boston, Massachusetts
Massachusetts College of Pharmacy and Health Sciences (R.R.C., G.R.T.), Boston, Massachusetts

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Fig. 1. Distribution of Overall and Section Scores on Drug-Nutrient Interactions. MD = Physicians, PH = Pharmacists, RD = Dietitians, RN = Nurses.
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Fig. 2. Percent of Respondents Correctly Identifying Selected Vitamin K Rich Foods. No significant difference exists between clinicians in their ability to identify the vitamin K content of specific foods (p>0.05). Significant differences exist between the foods clinicians were able to identify (p<0.05).
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Copyright © 2000 by the American College of Nutrition.