Table 1 Height/Mass on Gender, Age (months) Height (mean) = A + B (Age) + C (Age²) and Mass (mean) = D + E(Age) + F (Age²)

Male <= 200 mo

74.866

0.6045

-0.0004281

10.834

0.070687

0.0013087

Male =>200 mo

174.079

0.01441

-1.71739e-05

63.057

0.08842

-7.307256e-05

Female <= 200 mo

65.3569

0.83438

-0.0016530

2.876

0.26357

0.000330611

Female =>200 mo

159.873

0.01678

-1.97931e-05

50.629

0.08937

-7.43095e-05