What does this research mean for the field?

Body mass index substantially underestimates obesity prevalence compared to body fat percentage measurements among Russian police officers. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

March 16, 2020International Journal of Environmental Research and Public HealthOpen Access

Despite Low Obesity Rates, Body Mass Index Under-Estimated Obesity among Russian Police Officers When Compared to Body Fat Percentage

Q: What is the clinical evidence from this study?

Study design: Cross-Sectional. Population: Obesity (n=182). Intervention: Body Mass Index (BMI) based obesity classification vs. Body Fat Percentage (BF%) and Waist Circumference (WC). Primary outcome: Diagnostic accuracy of BMI-defined obesity compared to body fat percentage (BF%).

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Key result

BMI underestimates obesity vs body fat percentage, yielding diagnostic accuracy as low as ~62%.

n=182

Why the study?

Obesity rates among Russian police officers were undocumented and the accuracy of BMI for obesity classification compared to direct body composition measures was unclear.

Does BMI accurately classify obesity compared to body fat percentage in Russian police officers?

Study Design

Type

Cross-Sectional (n=182)

Multicenter

Structured PICO

Does BMI accurately classify obesity compared to body fat percentage in Russian police officers?

Population

182 Moscow region police officers (84% men, mean age 27.1 years) undergoing annual medical examinations were assessed to compare obesity rates using BMI, waist circumference, and body fat percentage.

Exposure

Body mass index (BMI) measurement

Comparator

Waist circumference (WC) and body fat percentage (BF%) via bioelectrical impedance

Outcome

Obesity rates and accuracy of BMI for obesity classificationsurrogate

BMI significantly underestimates obesity prevalence compared to body fat percentage in Russian police officers.

Limitations

Participants were recruited from a convenience sample of police officers undergoing annual medical evaluations, limiting generalizability.
Possible selection bias as those reporting for evaluations might not be representative of all officers.
Unable to compare obesity rates based on BF% and WC with the general Russian population due to lack of national data for those metrics.

Discussion

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Implication

Caution against sole BMI use for obesity screening in police officers; leaves open optimal body composition metrics for occupational cohorts.

Cite This Study

Heinrich et al. (2020) conducted a cross-sectional in Obesity (n=182). Body Mass Index (BMI) based obesity classification vs. Body Fat Percentage (BF%) and Waist Circumference (WC) was evaluated on Diagnostic accuracy of BMI-defined obesity compared to body fat percentage (BF%). BMI underestimated obesity among Russian police officers when compared to body fat percentage, yielding an overall diagnostic accuracy of 78.4% in men and 62.1% in women.

synapsesocial.com/papers/6ab0cd96ebcf65f7c9ff6708 https://doi.org/10.3390/ijerph17061937

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Implication

Caution against sole BMI use for obesity screening in police officers; leaves open optimal body composition metrics for occupational cohorts.

Despite Low Obesity Rates, Body Mass Index Under-Estimated Obesity among Russian Police Officers When Compared to Body Fat Percentage

Study Design

Structured PICO

Limitations

Discussion

Implication

Cite This Study

Despite Low Obesity Rates, Body Mass Index Under-Estimated Obesity among Russian Police Officers When Compared to Body Fat Percentage

Study Design

Structured PICO

Limitations

Discussion

Implication

Cite This Study

Also Consider

Also Consider