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Table 1 Z-score risk category ranges for the study

From: Assessing effectiveness of a novel mid-upper arm circumference Z-score tape in a community setting in Guatemala

Risk category Z-score range
Severely malnourished Z < -3
Moderately malnourished -3 ≤ Z < -2
At risk of underweight -2 ≤ Z < -1
Normal -1 ≤ Z < 1
At risk of overweight 1 ≤ Z < 2
Overweight 2 ≤ Z < 3
Obese Z ≥ 3