Table 4.

The relationship between health problems, stress, sleep, well-being, training volume and importance of sporting success at the beginning of the season

	Youth with health problem n = 148	Youth without health problem n = 301	P value
Stress (not stressed 0–10 very stressed)	3 (2–6)	2 (0–4)	0.001
Sleep (very good 0–10 very bad)	3 (2–5)	3 (1–4)	0.001
Well-being (very good 0–10 very bad)	3 (1–5)	2 (0–3)	0.000
Weekly training volume	5 (5–6)	5 (5–6)	n.s.
Motivation from sporting success	5 (4–6)	5 (4–6)	n.s.

Values are median (IQR)