Assessing Child Growth Using BMI-for-Age Growth Charts

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Assessing Child Growth Using BMI-for-Age Growth Charts

Transcript Of Assessing Child Growth Using BMI-for-Age Growth Charts

Assessing Child Growth Using Body Mass Index (BMI)-for-Age
Growth Charts
Adapted by the State of California CHDP Nutrition Subcommittee from materials developed by California Department of Health Care Services  Children’s Medical Services Branch Centers for Disease Control and Prevention Maternal and Child Health Bureau July 2013

Training Objectives
By the end of this presentation, you will be able to: • Select appropriate growth chart for age group • Identify the age range for which
Body Mass Index (BMI) screening is used • Calculate or determine BMI value • Plot BMI value on the appropriate growth chart • Determine BMI-for-age percentile • Identify weight category • Record results on PM 160

Which Growth Chart Should I Use?
• Birth to 2? Use WHO • 2 to 20? Use CDC

What Is Body Mass Index?
• A number calculated using weight and height measurements: Body Mass Index (BMI) = Weight (kg) / Height (m)²
• It compares a person’s weight to height
• It is an indirect screening test for body fatness

Why Use BMI-for-Age?
• Lifetime tracking tool
− from age 2 through adult
• Relates weight, stature and age • Screening for health and nutrition status
required by CHDP and health plans • Early indicator of other health risk factors
– Hyperlipidemia – Elevated insulin – High blood pressure

Body Mass Index Cutoff Values for Adults
• Standard weight categories • Same for all ages 18 + • Same for men and women

Weight Status Obese
Overweight Normal

BMI 30.0 and above
25.0 - 29.9 18.5 - 24.9 Below 18.5

For Children, BMI Changes with Age
Example: Child’s growth tracking along 95th percentile






BMI Value 19.3 17.8 21.0 25.1

BMI for Children and Teens

• Age- and sex-specific • Plot BMI to find percentile • Determine weight status

Weight Status Category Obese
Overweight Normal

Percentile Range ≥ 95th percentile 85th to < 95th percentile 5th to < 85th percentile < 5th percentile

What is a Percentile?




CA CHDP 2010


CA CHDP 2010

Major Percentile Divisions

CDC Growth Charts
Tip: Download and print from
Formula to calculate BMI
Percentile lines 5th - 10th - 25th - 50th 75th - 85th - 90th - 95th
Published May 30, 2000
(modified 2000-2001)
WeightPercentileChild GrowthChildrenBmi