Obesity among children and adolescents aged 2–19 years, by selected characteristics: United States

Obesity data for children and adolescents aged 2–19 years from the National Health and Nutrition Examination Survey, categorized by selected population characteristics. The dataset is provided by the U.S. Department of Health & Human Services and was last updated in April 2025. It includes breakdowns by sex, age, race, ethnicity, and poverty status.

Use Cases

• Analyze obesity prevalence trends across the Age, Sex, and Continental Population Groups categories to identify high-risk demographics.
• Model the relationship between Poverty status and obesity rates among children and adolescents using demographic features.
• Compare obesity prevalence across different race and ethnicity categories, such as Hispanic Americans, African Americans, and Asian Continental Ancestry Group.

Strengths

• Data originates from the authoritative National Health and Nutrition Examination Survey (NHANES) conducted by NCHS.
• Covers a wide range of demographic characteristics including age, sex, race, ethnicity, and poverty status.
• Dataset was updated in April 2025, indicating recent maintenance.

Limitations

• Specific row count, column count, and sample size are unknown, limiting assessment of statistical power.
• Critical methodological details, definitions, and changes over time are only available in separate PDF or Excel documents.
• Data format includes RDF and XML, which may require specialized tools for parsing compared to CSV or JSON.

Provenance

Source

National Center for Health Statistics (NCHS), U.S. Department of Health & Human Services.

Collection Method

National Health and Nutrition Examination Survey (NHANES).

Time Range

null

Freshness

Last updated on 2025-04-23.

Geography

United States.