Table 8

Results of the Cox proportional hazard multivariate regression analysis for time to a new (first) injury, presented using the HR together with its corresponding 95% CI and p value

	p Value	HR	95% CI
	p Value	HR	Lower level	Upper level
Athlete category×previous serious injury
Youth female×no injury*		1.000
Youth female×injury†	0.351	1.358	0.714	2.585
Youth male×no injury*	0.464	1.266	0.673	2.383
Youth male×injury†	<0.001	4.389	2.198	8.765
Adult female×no injury*	0.076	1.665	0.948	2.925
Adult female×injury†	0.062	1.756	0.973	3.167
Adult male×no injury*	0.052	1.767	0.996	3.133
Adult male×injury†	0.001	2.563	1.435	4.579
TLRI
Q1 0–25		1.000
Q2 26–50	0.147	1.390	0.890	2.170
Q3 51–75	0.009	1.792	1.154	2.782
Q4 76–100	0.008	1.787	1.165	2.741

*No severe injury reported in the 12 months prior to the study.
†Severe injury reported during the 12 months prior to the start of the study.
Factors in the model were athlete category, previous injury and training load rank index, TLRI.