Table 3.

Risk indicators for sustaining an in-championships hamstring muscle injury (HMI) presented as Odd Ratios (OR) with 95% confidence intervals (95% CI) calculated by univariate logistic regression analysis (n = 290).

	In-Championships Hamstring Muscle Injury (Univariate Model with 290 Elite Athletes)
	OR	95% CI	p-Value
Sex × Discipline	1.00	0.00 to inf.	1.000
Age	1.00	0.82 to 1.18	0.967
Country	1.00	0.00 to inf.	1.000
History of HMI during the career (reference “yes”)	4.38	0.64 to 86.3	0.189
History of HMI during the 2017–18 season (reference “yes”)	5.08	0.82 to 39.2	0.079
Injury complaint	4.61	0.75 to 35.5	0.098
Illness complaint	1.00	0.00 to inf.	1.000
Strengthening	0.89	0.48 to 1.83	0.728
Stretching	0.76	0.45 to 1.39	0.319
Core stability	0.49	0.25 to 0.89	0.021
Sprint running at maximal intensity/velocity	0.94	0.50 to 1.90	0.837
HST score (0–16)	0.89	0.75 to 1.08	0.197

HMI: hamstring muscle injury; HST: hamstring specific training; OR: odds ratio; CI: confidence interval.