Mode
Text Size
Log in / Sign up

NHANES data show rising obesity and severe obesity prevalence in US youth aged 2-19 yearsObesity and severe obesity rates increased among U.S. children and teens over two decades

AI-generated summary of the cited source, checked by automated accuracy review. How we work

Key Takeaway
Note rising obesity trends in youth from NHANES survey data; association does not imply causation.

An observational analysis of data from the National Health and Nutrition Examination Survey (NHANES) examined trends in obesity and severe obesity among persons aged 2-19 years in the United States. The study compared prevalence estimates from the 1999-2000 survey cycle to the 2017-2018 cycle. The main results showed the prevalence of obesity increased from 13.9% to 19.3%, and the prevalence of severe obesity increased from 3.6% to 6.1% over this period. No effect sizes, absolute numbers, or statistical confidence intervals were reported for these changes. No specific intervention or exposure was studied, and no comparator group was defined. Safety and tolerability data were not reported, as this was a population survey. Key limitations include the observational, cross-sectional nature of the survey data, which can only show associations over time and cannot establish causation. The sample size, follow-up duration, and specific funding or conflicts of interest were not reported. For clinical practice, these findings highlight a concerning public health trend but do not provide evidence for specific clinical interventions. The data underscore the ongoing need for effective population-level and clinical strategies to address pediatric obesity.

Researchers analyzed data from a large, ongoing national health survey called NHANES to see how common obesity and severe obesity were among children and teenagers in the United States. They looked at information from people aged 2 to 19 years old, collected between 1999 and 2018. The study did not test any treatments or lifestyle changes; it simply measured how many young people fell into these weight categories over time.

The main finding was that the percentage of children and teens with obesity increased from 13.9% in the 1999-2000 period to 19.3% in the 2017-2018 period. The percentage with severe obesity also rose, from 3.6% to 6.1%. This means that over roughly two decades, more young people were affected by these health conditions. The survey did not report on specific safety concerns, as it was not testing an intervention.

It is important to be careful with these results. This was an observational study based on survey data. It shows a clear trend of increasing rates, but it cannot tell us what specifically caused the increase. Many factors, like diet, physical activity, environment, and genetics, could play a role. Readers should see this as a broad, national snapshot highlighting a significant public health concern that needs attention, not as proof of what causes obesity in any individual.

What this means for you:
National data shows rising obesity rates in U.S. youth, highlighting a public health trend that needs addressing.

Study Details

EvidenceLevel 5
PublishedApr 2020
View Original Abstract ↓
From 1999-2000 to 2017-2018, the prevalence of obesity among persons aged 2-19 years increased from 13.9% to 19.3%, and the prevalence of severe obesity increased from 3.6% to 6.1%.
Free Newsletter

Clinical research that matters. Delivered to your inbox.

Join thousands of clinicians and researchers. No spam, unsubscribe anytime.