Table 3. Coefficients of the logistic regression model for the predictive factors of a severe injury event in elite and amateur riders. Odds Ratio Elite / Amateur p-value Elite / Amateur 95% Confidence Interval Elite / Amateur Lower bound Upper bound Age (yrs) 1.044 / 0.961 0.950 / 0.209 -1.300 / -0.103 1.386 / 0.022 Exposure time (hrs/yr) 2.518 / 0.998 0.224 / 0.141 -0.566 / -0.004 2.413 / 0.001 Number of injuries ever 1.613 / 0.912 0.468 / 0.168 -0.814 / -0.223 1.771 / 0.039 Number of races per year 4.304 / 0.946 0.178 / 0.177 -0.666 / -0.136 3.585 / 0.025 Mean hours of training per week (hrs) 2.158 / 0.909 0.287 / 0.193 -0.647 / -0.238 2.185 / 0.048 Amount of protective gear items (n) 1.404 / 0.775 0.594 / 0.491 -0.907 / -0.979 1.585 / 0.470