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Table 1 Characteristics of the sample (n = 299)

From: Influential role of lean soft tissue in the association between training volume and bone mineral density among male adolescent practitioners of impact-loading sports: ABCD Growth study

Variables Mean (SD) Minimum to maximum
 Age (years) 14.1 (1.8) 10.1 to 17.7
 Body mass (Kg) 62.3 (15.3) 31.6 to 137.3
 Height (cm) 170.0 (12.2) 136.1 to 196.5
 FM (kg) 11.3 (8.9) 2.1 to 71.4
 FM (%) 18.0 (10.4) 1.5 to 42.8
 LST (kg) 47.3 (11.2) 24.4 to 77.1
 PHV (years) 0.74(1.58) -2.55 to 3.56
 APHV (years) 13.4 (0.5) 12.02 to 14.98
aBMD (DXA)
 Upper limbs (g/cm²) 0.827 (0.141) 0.580 to 1.241
 Lower limbs (g/cm²) 1.327 (0.200) 0.835 to 1.878
 Spine (g/cm²) 1.049 (0.167) 0.674 to 1.536
 Whole body (g/cm²) 1.163 (0.142) 0.847 to 1.524
 Previous time of practice (month) 53.8 (42.8) 1 to 153
 Training frequency (days) 3.9 (1.5) 1 to 7
 Training volume (h.wk) 10.6 (6.1) 1.0 to 30.0
  1. SD standard deviation; FM  fat mass; LST lean soft tissue; PHV peak of height velocity; APHV age at peak of height velocity; aBMD areal bone mineral density