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This standard specifies the evaluation indicators and methods for the growth level and nutritional status of children under 7 years of age.
This standard is applicable to the group and individual evaluation of the growth level and nutritional status of children under 7 years of age.
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The following documents constitute the essential provisions of this standard through the normative references in the text. For the references dated, only their dated versions are applies to this standard; for the references undated, their latest versions, including all amendments, are applicable to this standard.
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The following terms and definitions apply to this standard.
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Children between birth and under 7 years of age (< 84 months of age).
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Total weight of the human body.
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Length from the top of the head to the heel in the horizontal position.
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Vertical height from the top of the head to the bottom of the foot in the standing position.
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The circumference at the upper edge of the right eyebrow arch passing through the highest point of the occipital ridge.
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An index for calculating weight for height, under the following Formula (1):
$$ {\rm{BMI}} =\dfrac{ {\rm{Weight}} \; ({\rm{kg}})} {[{\rm{Height}}\; ({\rm{m}})]^2} $$ (1) -
The growth level of children under 7 years old was evaluated according to Table 1 in Appendix A.
Table 1. Percentile evaluation method for growth level of children
Percentile method Evaluation indicator Weight for age Length/height for age Weight for length/height BMI for age Head circumferenceforage ≥ P97 Upper Upper Upper Upper Upper P75 ≤ • < P97 Above average Above average Above average Above average Above average P25 ≤ • < P75 Average Average Average Average Average P3 ≤ • < P25 Below average Below average Below average Below average Below average < P3 Lower Lower Lower Lower Lower -
The growth level of children under 7 years old was evaluated according to Table 2 in Appendix B.
Table 2. Standard deviation evaluation method for growth level of children
Standard deviation method Evaluation indicator Weight for age Length/height for age Weight for length/height BMI for age Head circumference for age ≥ +2 SD Upper Upper Upper Upper Upper +1 SD ≤ • < +2 SD Above average Above average Above average Above average Above average −1 SD ≤ • < +1 SD Average Average Average Average Average −2 SD ≤ • < −1 SD Below average Below average Below average Below average Below average < −2 SD Lower Lower Lower Lower Lower -
The nutritional status of children under 7 years old was evaluated according to Table 3 in Appendix B.
Table 3. Standard deviation evaluation method for nutritional status of children
Standard deviation method Evaluation indicator Weight for age Length/height for age Weight for length/height BMI for age ≥ +3 SD − − Severe obesity Severe obesity +2 SD ≤ • < +3 SD − − Obesity Obesity +1 SD ≤ • < +2 SD − − Overweight Overweight −1 SD ≤ • < +1 SD − − − − −2 SD ≤ • < −1 SD − − − − −3 SD ≤ • < −2 SD Low weight Severe growth retardation Slim Slim < −3 SD Severe low weight Severe growth retardation Severe wasting Severe wasting -
Weight, length, height, and head circumference are measured in accordance with WS/T 424.
doi: 10.3967/bes2023.096
Growth Standard for Children Under 7 Years of Age
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Table 1. Percentile evaluation method for growth level of children
Percentile method Evaluation indicator Weight for age Length/height for age Weight for length/height BMI for age Head circumferenceforage ≥ P97 Upper Upper Upper Upper Upper P75 ≤ • < P97 Above average Above average Above average Above average Above average P25 ≤ • < P75 Average Average Average Average Average P3 ≤ • < P25 Below average Below average Below average Below average Below average < P3 Lower Lower Lower Lower Lower 
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Table 2. Standard deviation evaluation method for growth level of children
Standard deviation method Evaluation indicator Weight for age Length/height for age Weight for length/height BMI for age Head circumference for age ≥ +2 SD Upper Upper Upper Upper Upper +1 SD ≤ • < +2 SD Above average Above average Above average Above average Above average −1 SD ≤ • < +1 SD Average Average Average Average Average −2 SD ≤ • < −1 SD Below average Below average Below average Below average Below average < −2 SD Lower Lower Lower Lower Lower
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Table 3. Standard deviation evaluation method for nutritional status of children
Standard deviation method Evaluation indicator Weight for age Length/height for age Weight for length/height BMI for age ≥ +3 SD − − Severe obesity Severe obesity +2 SD ≤ • < +3 SD − − Obesity Obesity +1 SD ≤ • < +2 SD − − Overweight Overweight −1 SD ≤ • < +1 SD − − − − −2 SD ≤ • < −1 SD − − − − −3 SD ≤ • < −2 SD Low weight Severe growth retardation Slim Slim < −3 SD Severe low weight Severe growth retardation Severe wasting Severe wasting
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