Table 8

Multiple regression analysis of the incidence of new injuries after chronic lower extremity disorders

	OR	95% CI	P value
Sex	0.90	0.604 to 1.330	0.58
Body mass index	0.95	0.880 to 1.020	0.14
Increase in height over the past year	1.05	0.982 to 1.120	0.16
Practice time per week	1.00	0.977 to 1.030	0.86
Athletic experience	0.98	0.909 to 1.050	0.55
Injury mechanism	0.92	0.481 to 1.780	0.81
History of visiting the other medical centres	0.72	0.502 to 1.030	0.07
Competitions over the past year
Regional tournament	0.77	0.433 to 1.380	0.38
Prefectural tournament	1.03	0.540 to 1.950	0.94
National tournament	0.93	0.392 to 2.220	0.88
World competition	0.32	0.032 to 3.210	0.33
Future goals
To discontinue sports	0.79	0.344 to 1.800	0.57
To achieve a recreational level	0.42	0.213 to 0.817	0.01
To become a professional athlete	1.57	0.985 to 2.510	0.06
To become a coaching staff	1.90	0.736 to 4.920	0.18