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The value of anthropometric indices for childhood obesity in Japan
Tsuyoshi Isojima1, Susumu Yokoya2
1Department of Pediatrics, Teikyo University School of Medicine , Tokyo , Japan.
Insights
In Japan, the percentage of overweight (POW) is preferred over body mass index (BMI) for childhood obesity assessment due to expert recommendations and lack of established BMI cut-offs. Understanding the pros and cons of each index is crucial for healthcare professionals.
Area of Science:
- Public Health
- Pediatrics
- Anthropometry
Background:
- Childhood obesity is a significant global public health concern.
- Height and weight measurements are simple, accessible methods for assessing adiposity in children.
- Body Mass Index (BMI) is a common surrogate marker for childhood obesity, recommended by international guidelines.
Purpose of the Study:
- To review and summarize the use of anthropometric indices for childhood obesity assessment in Japan.
- To focus on the comparison between Percentage of Overweight (POW) and BMI in the Japanese context.
- To include the role of disease-specific indices in evaluating childhood obesity.
Main Methods:
- A review of current practices and literature regarding anthropometric indices for childhood obesity in Japan.
- Comparative analysis of Percentage of Overweight (POW) and Body Mass Index (BMI) utilization.
- Consideration of disease-specific indices in the assessment of pediatric obesity.
Main Results:
- Percentage of Overweight (POW) is more widely used in Japan than BMI for evaluating childhood obesity.
- The Japan Society for the Study of Obesity recommends POW for childhood obesity assessment.
- Established BMI cut-off values for childhood obesity are lacking in Japan, contributing to POW's prevalence.
Conclusions:
- Healthcare professionals in Japan should be aware of the advantages and limitations of different anthropometric indices.
- The choice of index for childhood obesity assessment in Japan is influenced by expert recommendations and the absence of specific BMI guidelines.
- Continued evaluation of anthropometric methods is necessary for effective childhood obesity management.
Abstract:
Context: Childhood obesity is one of the most serious public health problems. The simplest method for the identification of adiposity in children involves measuring height and weight because these metrics are easy to obtain and are not greatly affected by observers. Objective: Body mass index (BMI) has been widely used as a surrogate marker of childhood obesity, particularly after the International Obesity Task Force recommended that BMI is appropriate for the determination of childhood obesity. However, in Japan, the percentage of overweight (POW) is more widely used for evaluating childhood obesity. Methods: This review discusses and summarises the situation in Japan regarding the use of various anthropometric indices for assessing childhood obesity, focusing on POW and BMI and including the situation with disease-specific indices. Results: There are two main reasons why POW is widely used in Japan instead of BMI. One reason is that the Japan Society for the Study of Obesity recommended that POW should be used for evaluating childhood obesity. The other reason is that BMI cut-off values for childhood obesity have not been determined in Japan. Conclusion: Individuals involved in child healthcare in Japan should keep in mind both the merits and drawbacks of various anthropometric indices.
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