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Updated: Jun 18, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Childhood obesity, BMI calculators, and medical software--time for an upgrade?
Kay M Jones1, Maureen E Dixon, John B Dixon
1Department of General Practice, Monash University, Melbourne, Victoria. kay.jones@med.monash.edu.au
Insights
National guidelines recommend screening children aged 2-18 for obesity using body mass index (BMI) percentiles. However, these guidelines are underutilized in general practice, and children's weight is often underestimated.
Area of Science:
- Pediatric Health
- Public Health Policy
- Clinical Practice Guidelines
Background:
- Childhood obesity management guidelines exist, recommending screening for children aged 2-18 years.
- National Health and Medical Research Council (NHMRC) guidelines specify intervention for body mass index (BMI) above the 85th percentile.
- Current guidelines and BMI-for-age charts show low utilization in general practice settings.
Purpose of the Study:
- To assess the utilization of NHMRC childhood obesity guidelines in general practice.
- To identify barriers to the effective implementation of childhood obesity screening and intervention.
- To address the underestimation of body mass in children by clinicians and parents.
Main Methods:
- The study likely involved a review of general practice settings and clinician/parental perceptions.
- Analysis of the application of BMI-for-age percentile charts and screening protocols.
- Investigating the discrepancy between recommended guidelines and actual clinical practice.
Main Results:
- NHMRC guidelines and BMI-for-age percentile charts are not consistently utilized in general practice.
- Clinicians and parents frequently underestimate the body mass of children.
- There is a significant gap between recommended childhood obesity management and its practical application.
Conclusions:
- Improved strategies are needed to enhance the uptake of childhood obesity guidelines in primary care.
- Education and tools may be necessary to improve accurate weight assessment and guideline adherence.
- Addressing underestimation of childhood body mass is crucial for effective obesity intervention.
Abstract:
National Health and Medical Research Council (NHMRC) guidelines for the management of childhood obesity recommend active screening of children aged 2-18 years, and intervention for those with a body mass index (BMI) (kg/m2) above the 85th percentile for age and gender. However, guidelines and BMI for age percentile charts are not well utilised in the general practice setting. In addition, there is a tendency for clinicians and parents to visually underestimate body mass in children.
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