Table 1. Anthropometric statistics of the cohorts at each assessment timepoint.
lbHPT (n = 14) lbLPTcomp (n = 12) lbLPTreg (n = 10)
Age (y) Baseline 12.8 ± 0.5 12.3 ± 0.5 13.5 ± 0.4
Post 3-months 13.1 ± 0.5 12.6 ± 0.5 13.8 ± 0.4
Post 6-months 13.4 ± 0.5 12.9 ± 0.5 14.1 ± 0.4
Height (cm) Baseline 153.7 ± 7.7 147.6 ± 8.9 161.0 ± 3.3
Post 3-months 154.5 ± 7.6 148.2 ± 8.8 161.5 ± 3.3
Post 6-months 155.3 ± 7.4 148.9 ± 8.7 162.0 ± 3.3
Body mass (kg) Baseline 44.3 ± 7.0 41.1 ± 7.6 51.5 ± 4.2
Post 3-months 45.3 ± 6.9 42.2 ± 7.3 52.5 ± 4.5
Post 6-months 46.4 ± 7.1 43.1 ± 7.7 53.5 ± 4.1
Body mass index (kg/m2) Baseline 18.7 ± 2.4 18.8 ± 1.8 19.9 ± 1.7
Post 3-months 19.0 ± 2.5 19.0 ± 1.9 20.1 ± 1.6
Post 6-months 19.2 ± 2.3 19.3 ± 1.8 20.4 ± 1.8
Maturity offset (years) Baseline –1.2 ± 0.6 –1.8 ± 0.6 –0.4 ± 0.4
Post 3-months –1.1 ± 0.6 –1.7 ± 0.6 –0.3 ± 0.4
Post 6-months –1.0 ± 0.6 –1.6 ± 0.6 –0.2 ± 0.4
lbHPT: later-born players who played above the median playing time per player per team; lbLPTcomp: later-born players who played below the median playing time per player per team and received compensatory training; lbLPTreg: later-born players who played below the median playing time per player per team and did not receive compensatory training.