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Categories of change in height-for-age Z-score (HAZ) between rounds (
, decrease in HAZ of ≥2·00; 
, decrease in HAZ of 1·00–1·99; 
, decrease in HAZ of 0·50–0·99; 
, change in HAZ within –0·49 to +0·49; 
, increase in HAZ of 0·50–0·99; 
, increase in HAZ of 1·00–1·99; 
, increase in HAZ of ≥2·00), by country, among children (n 7171) in four low- and middle-income countries; the Young Lives study. Bars represent the percentages of children in each category of HAZ change
