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Table 1 Agreement between growth categories using Z-score and percentile cut-points for classification of BMI categories in children 0–5 years of age (n = 5836)

From: Misclassification of child body mass index from cut-points defined by rounded percentiles instead of Z-scores

Z-score cut-points

Percentile cut-points

Wasted

Normal

Risk of overweight

Overweight

Obese

< 3rd

3rd to 85th

> 85th to 97th

> 97th to 99.9th

> 99.9th

< − 2.0

212 (3.6%)

0

0

0

0

− 2.0 to 1.0

33 (0.6%)

4530 (77.6%)

0

0

0

> 1.0 to 2.0

0

37 (0.6%)

727 (12.5%)

39 (0.7%)

0

> 2.0 to 3.0

0

0

0

201 (3.4%)

0

> 3.0

0

0

0

8 (0.1%)

49 (0.8%)