Results showed that the Z-scores height-for-age and Z-scores weight-for-age in this population were lower than those in the WHO's reference population (NCHS population) (mean values were from - 0.76 to - 0.23); the Z-score weight-for-height and Z-score BMI-for-age in this study population were higher than those in NCHS population (mean values were from 0.18 to 0.36).