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Updated: Jun 27, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Can we recognise obesity clinically?
S M Smith1, P Gately, M Rudolf
1York Hospitals NHS FoundationTrust, Wigginton Road, York, UK. sally.smith@york.nhs.uk
Insights
Healthcare professionals struggle to accurately identify overweight and obese children visually. This study highlights the need for improved assessment methods beyond simple observation to combat childhood obesity.
Area of Science:
- Pediatrics
- Public Health
- Medical Education
Background:
- Childhood obesity is a growing public health concern.
- Accurate identification of overweight and obese children is crucial for timely intervention.
- Visual assessment is often used informally by healthcare professionals.
Purpose of the Study:
- To evaluate the accuracy of healthcare professionals in identifying overweight and obese children through visual observation alone.
- To compare visual assessments with established clinical criteria for body mass index (BMI).
Main Methods:
- Eighty healthcare professionals participated in the study.
- Participants visually assessed photographs of 33 children.
- Categorization ranged from "very underweight" to "obese" and was compared to BMI-derived classifications.
Main Results:
- Healthcare professionals demonstrated poor accuracy in assessing children's weight status.
- Overweight and obesity were frequently underestimated by visual observation.
- Significant discrepancies were noted between perceived and actual adiposity levels.
Conclusions:
- Informal visual assessment is unreliable for identifying childhood overweight and obesity.
- Healthcare professionals need enhanced training and awareness regarding their limitations in observational weight assessment.
- Relying solely on visual cues can lead to missed opportunities for crucial childhood weight management interventions.
Abstract:
The aim of this study was to ascertain whether health care professionals are able to accurately identify overweight and obese children by observation alone. Eighty health care professionals were asked to view photographs of 33 children and assign each into one of six categories, ranging from "very underweight" to "obese". The health care professionals' categorisation was compared with the children's degree of adiposity based on conventional clinical criteria for BMI. The health care professionals were found to be generally poor at assessing the weight status of the children, and in particular tended to underestimate overweight and obesity in children. This study suggests that it is not appropriate to rely on informal assessment to identify obesity and highlights the need for health care professionals to be aware of their lack of accuracy in this regard.
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