Table 4.

Results of linear regression between each individual athlete characteristic and bone outcomes in athletes only, adjusting for age, height, and sex presented as standardised regression coefficient (β)

Variable		Hip BMD				Spine BMD
		β	95% CI		P	β	95% CI		P
Discipline (sprinter)		0.281	0.155	0.408	0.000	0.268	0.145	0.390	0.000
AGP		0.131	− 0.004	0.266	0.059	0.100	− 0.029	0.229	0.130
Training age1		− 0.231	− 0.366	− 0.096	0.001	− 0.153	− 0.284	− 0.021	0.024
Training hours		0.017	− 0.118	0.151	0.809	0.017	− 0.109	0.144	0.791
Fat mass		0.102	− 0.032	0.235	0.137	0.230	0.104	0.356	< 0.001
Lean mass		0.093	− 0.168	0.354	0.485	0.216	− 0.039	0.471	0.099
Absolute jump power		0.150	− 0.005	0.304	0.060	0.174	0.023	0.326	0.025
Accelerometry counts	Low	− 0.177	− 0.040	− 0.314	0.012	− 0.246	− 0.117	− 0.375	0.000
	Medium	− 0.169	− 0.032	− 0.306	0.016	− 0.296	− 0.169	− 0.422	0.000
	High	0.109	− 0.034	0.252	0.137	− 0.056	0.080	− 0.193	0.420

¹Test for linear trend between categories