Table 2

Standard deviation height scores by age tertile within grades

GradeBoysGirls
nStandard deviation height score (mean)FpnStandard deviation height score (mean)Fp
Youngest tertileMiddle tertileOldest tertileYoungest tertileMiddle tertileOldest tertile
All grades 14390.330.330.164.570.0114090.270.180.210.850.43
Current grade
Preparatory2090.210.160.300.360.702120.340.070.201.150.32
11780.370.350.041.950.151780.280.420.250.390.68
22180.450.300.092.610.082070.450.260.131.660.19
32160.290.310.240.080.922160.220.010.241.270.28
42230.250.410.042.830.062120.170.130.200.070.94
51810.590.280.113.310.04193−0.010.230.140.990.38
62140.200.460.291.380.251910.430.190.310.880.42