Table 2 The equations for Z score loci by gender

Y ₀ = 15.508e0.0321X R ² = 0.9703

Y ₀ = 15.428e0.0361X R ² = 0.9637

Y _+ 3 = 22.786e0.0349X R ² = 0.8277

Y _+ 3 = 23.293e0.0402X R ² = 0.8389

Y _+ 2 = 20.447e0.0341X R ² = 0.8883

Y _+ 2 = 21.089e0.0384X R ² = 0.8704

Y _+ 1 = 18.491e0.0332X R ² = 0.9263

Y _+ 1 = 18.777e0.0383X R ² = 0.8965

Y _− 1 = 13.458e0.0294X R ² = 0.9563

Y _− 1 = 13.235e0.0337X R ² = 0.8437

Y _− 2 = 12.724e0.0235X R ² = 0.9178

Y _− 2 = 11.136e0.0337X R ² = 0.8546