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. 2024 Mar 1;5(3):e240088.
doi: 10.1001/jamahealthforum.2024.0088.

Health and Economic Value of Eliminating Socioeconomic Disparities in US Youth Physical Activity

Affiliations

Health and Economic Value of Eliminating Socioeconomic Disparities in US Youth Physical Activity

Tiffany M Powell-Wiley et al. JAMA Health Forum. .

Abstract

Importance: There are considerable socioeconomic status (SES) disparities in youth physical activity (PA) levels. For example, studies show that lower-SES youth are less active, have lower participation in organized sports and physical education classes, and have more limited access to PA equipment.

Objective: To determine the potential public health and economic effects of eliminating disparities in PA levels among US youth SES groups.

Design and setting: An agent-based model representing all 6- to 17-year-old children in the US was used to simulate the epidemiological, clinical, and economic effects of disparities in PA levels among different SES groups and the effect of reducing these disparities.

Main outcomes and measures: Anthropometric measures (eg, body mass index) and the presence and severity of risk factors associated with weight (stroke, coronary heart disease, type 2 diabetes, or cancer), as well as direct and indirect cost savings.

Results: This model, representing all 50 million US children and adolescents 6 to 17 years old, found that if the US eliminates the disparity in youth PA levels across SES groups, absolute overweight and obesity prevalence would decrease by 0.826% (95% CI, 0.821%-0.832%), resulting in approximately 383 000 (95% CI, 368 000-399 000) fewer cases of overweight and obesity and 101 000 (95% CI, 98 000-105 000) fewer cases of weight-related diseases (stroke and coronary heart disease events, type 2 diabetes, or cancer). This would result in more than $15.60 (95% CI, $15.01-$16.10) billion in cost savings over the youth cohort's lifetime. There are meaningful benefits even when reducing the disparity by just 25%, which would result in $1.85 (95% CI, $1.70-$2.00) billion in direct medical costs averted and $2.48 (95% CI, $2.04-$2.92) billion in productivity losses averted. For every 1% in disparity reduction, total productivity losses would decrease by about $83.8 million, and total direct medical costs would decrease by about $68.7 million.

Conclusions and relevance: This study quantified the potential savings from eliminating or reducing PA disparities, which can help policymakers, health care systems, schools, funders, sports organizations, and other businesses better prioritize investments toward addressing these disparities.

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Conflict of interest statement

Conflict of Interest Disclosures: Dr Powell-Wiley reported grants from the National Institutes of Health during the conduct of the study and support from the American Heart Association as Associate Editor for the Journal of the American Heart Association. Dr Ayers reported personal fees from the National Institutes of Health outside the submitted work. No other disclosures were reported.

Figures

Figure 1.
Figure 1.. Youth Physical Activity Disparity Model
BMI indicates body mass index (calculated as weight in kilograms divided by height in meters squared); CHS, chronic health state; MVPA, moderate to vigorous physical activity; QALYs, quality-adjusted life-years; SES, socioeconomic status.
Figure 2.
Figure 2.. Economic and Clinical Outcomes of Reducing Physical Activity (PA) Disparities Among US Youth by Socioeconomic Status Group
All reductions in PA disparity are compared with the highest PA level for each age and sex group. FPL indicates federal poverty level; QALYs, quality-adjusted life-years.

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