Supplementary Data 1. Relationship between kinesiophobia and other factors. Factor B SE R t-value P-value CAIT -0.342 0.162 -0.289 -2.116 0.039 Ankle strength PF -0.007 0.008 -0.117 -0.828 0.412 DF -0.019 0.015 -0.179 -1.270 0.210 EV -0.018 0.018 -0.140 -0.993 0.326 IV -0.011 0.013 -0.119 -0.841 0.405 SEBT -0.007 0.100 -0.010 -0.068 0.946 Static balance Ellipse 0.001 0.001 0.107 0.755 0.454 Displacement 0.003 0.003 0.143 1.009 0.318 Velocity 0.016 0.031 0.074 0.518 0.607 Performance Figure-8 -0.333 0.904 -0.053 -0.368 0.714 Side hop 0.208 0.588 0.050 0.354 0.725 B, partial regression coefficient; CAIT, Cumberland ankle instability tool; DF, dorsiflexion; EV, eversion; IV, inversion; PF, plantar flexion; SEBT, star excursion balance test; SE, standard error; R: standardized partial regression coefficient; TSK, Tampa scale of kinesiophobia; The level of statistical significance is indicated in bold.