Rockiy G. Ayettey, MS, DHSc

Center Coordinator/Lead Research Associate

Phone: 203-732-1125

Research Interests/Roles

Ms. Rockiy G. Ayettey is a Research Associate/ Grants Coordinator at the PRC. Her role involves coordination of both clinical research studies activities and grant-related activities.


  • MS, Human Nutrition, University of Bridgeport, CT.
  • BSc., Biological Sciences, Kwame Nkrumah University of Science and Technology in Ghana, West Africa.

Selected Publications

  • Njike VY, Ayettey RG, Rajebi H, Treu JA, Katz DL. Egg ingestion in adults with type 2 diabetes: effects on glycemic control, anthropometry, and diet quality—a randomized, controlled, crossover trial. BMJ Open Diabetes Research and Care 2016 Dec 22;4:e000281.

  • Njike VY, Yarandi N, Petraro P, Ayettey RG, Treu JA, Katz DL; Inclusion of walnut in the diets of adults at risk for type 2 diabetes and their dietary pattern changes: a randomized, controlled, crossover trial. BMJ Open Diabetes Res Care. 2016 Oct 19;4(1):e000293.

  • Njike VY, Ayettey R, Petraro P, Treu JA, Katz DL. Walnut ingestion in adults at risk for diabetes: effects on body composition, diet quality, and cardiac risk measures. BMJ Open Diabetes Research and Care 2015;3:e000115.

  • Katz DL, Treu JA, Ayettey RG, Kavak Y, Katz C, Njike V. Testing the validity and reliability of an abbreviated version of the Nutrition Detectives™ program.  Preventing Chronic Disease.  2014 April 10; 11:E57.