Table 1.

WHO classification of nutritional status

Nutritional status	Z-score range
Wasting (acute malnutrition)
Moderate	zWFH < −2 and ≥ − 3
Severe	zWFH < − 3
Stunting (chronic malnutrition)
Moderate	zHFA < −2 and ≥ −3
Severe	zHFA < −3
Healthy Weight	zWFH <=2 and > = − 2
Overweight	zWFH > + 2 and < = + 3
Obesity	zWFH > + 3

Source: WHO Global Database on Child Growth and Malnutrition. Available from: http://www.who.int/nutgrowthdb/about/introduction/en/index5.html