Stephanie B. Jilcott Pitts|Lisa Jahns|Qiang Wu|Nancy E. Moran|Ronny A. Bell|Kimberly P. Truesdale|Melissa N. Laska
A non-invasive assessment of skin carotenoid status through reflection spectroscopy is a feasible, reliable and potentially valid measure of fruit and vegetable consumption in a diverse community sample
East Carolina University|Grand Forks Human Nutrition Research Center|East Carolina University|Children's Nutrition Research Center at Baylor College of Medicine|East Carolina University|University of North Carolina at Chapel Hill|University of Minnesota
assess feasibility reliability validity reflection spectroscopy rs assess skin carotenoids racially diverse samplestudy 1 crosssectional study corner store customers n 479 completed national cancer institute fruit vegetable screener well rs measures feasibility assessed examining time took complete three rs measures reliability assessed examining variation three rs measures validity examined correlation selfreported fruit vegetable consumption study 2 validity assessed smaller sample n 30 examining associations rs measures dietary carotenoids fruits vegetables calculated validated ffq plasma carotenoidseastern north carolina usait took average 940 complete three rs readings per person average variation three readings participant 68 study 2 models adjusted age race sex statistically significant associations rs measures ffqestimated carotenoid intake p00001 ii ffqestimated fruit vegetable consumption p0010 iii plasma carotenoids p00001rs potentially improved method approximate fruit vegetable consumption among diverse participants rs portable easy use fieldbased public health nutrition settings research needed investigate validity sensitivity diverse populations