Table 4.

Weekly health problem prevalence in danish male elite youth football players (N = 223). Values are presented as mean percentages with 95% confidence intervals (CI). .

	Mean (95% CI)
All health problems	20.13%	(18.50–21.76%)
Injuries	16.48%	(15.28–17.68%)
Sudden-onset injuries	7.01%	(6.38–7.64%)
Gradual-onset injuries	9.63%	(8.70–10.55%)
Illness	3.83%	(2.82–4.83%)
Substantial health problems	13.65%	(12.45–14.85%)
Injuries	10.89%	(10.04–11.73%)
Sudden-onset injuries	5.13%	(4.57–5.70%)
Gradual-onset injuries	5.80%	(5.13–6.47%)
Illness	2.91%	(2.06–3.77%)
Time-loss health problems	6.59%	(5.88–7.29%)
Injuries	5.58%	(5.01–6.16%)
Sudden-onset injuries	3.07%	(2.64–3.51%)
Gradual-onset injuries	2.53%	(2.08–2.98%)
Illness	1.05%	(0.58–1.53%)