Average Z-scores of children1.

1The results were expressed as mean±SD and means in the same column with different superscripts a–c were significantly different as a result of different age at the P2WAL/WLZ Z-score of weight for length for infants and young children less than 24 months.3WHL Z-score of weight for height for children equal or over 24 months, Z-score of weight for height.4HAZ, Z-score of height for age; WAZ, Z-score of weight for age.