MACHINE LEARNING FOR ASSOCIATION OF WEARABLE-SENSOR DERIVED GAIT MEASURES WITH WORSENING KNEE PAIN OVER 2-YEARS: THE MULTICENTER OSTEOARTHRITIS STUDY. (April 2022) - Bacon, K.L.; Felson, D.T.; Jafarzadeh, S.R.; Kolachalama, V.B.; Hausdorff, J.M.; Gazit, E.; Segal, N.A.; Lewis, C.E.; Nevitt, M.C.; Kumar, D.