Table 5

Multiple regression analysis of incidences of acute lower extremity injury and chronic disorders

	OR	95% CI	P value
Sex	0.88	0.608 to 1.280	0.52
Body mass index	1.10	1.030 to 1.170	<0.01
Increase in height over the past year	0.95	0.891 to 1.010	0.11
Practice time per week	1.01	0.989 to 1.040	0.31
Athletic experience	1.04	0.975 to 1.110	0.22
Injury mechanism	5.65	3.680 to 8.690	0.28
History of visiting other medical centres	1.34	0.956 to 1.870	0.09
Competitions over the past year
Regional tournament	1.11	0.617 to 2.000	0.73
Prefectural tournament	1.32	0.698 to 2.490	0.40
National tournament	1.52	0.678 to 3.390	0.31
World competition	0.35	0.031 to 3.980	0.40
Future goals
To discontinue sports	0.93	0.445 to 1.970	0.86
To achieve a recreational level	1.42	0.859 to 2.330	0.17
To become a professional athlete	0.85	0.531 to 1.370	0.52
To become a coaching staff	1.43	0.639 to 3.220	0.32