Table 2

Effect of height measurement error δ on the proportion of children falling one centile band width or more between 5 and 6 years of age. The research measurement error ε in formula (3) is taken as 0.25 cm, and the population height SD ς 5 cm

Measurement error δ (cm)
Adjusted correlationr′ (3)0.9810.9770.9690.9580.944
SD of ΔSDS (1)
Falling one band or more (%)