PERIPHERAL BLOOD DNA METHYLATION-BASED MACHINE LEARNING MODELS ARE PREDICTIVE OF FUTURE KNEE OA PROGRESSION: BIOSPECIMENS AND DATA FROM THE OSTEOARTHRITIS INITIATIVE AND JOHNSTON COUNTY OSTEOARTHRITIS PROJECT. (April 2022) - Sturdy, C.; Dunn, C.; Velasco, C.; Schlupp, L.; Prinz, E.; Arbeeva, L.; Golightly, Y.; Nelson, A.; Jeffries, M.