Most of a community's health is decided outside the clinic.
The U.S. Department of Health and Human Services defines the social determinants of health as "the conditions in the environments where people are born, live, learn, work, play, worship, and age that affect a wide range of health, functioning, and quality-of-life outcomes and risks," organized into five domains: economic stability, education access and quality, health care access and quality, neighborhood and built environment, and social and community context.1
The County Health Rankings model, used to compare every county in the country, weights the factors that produce health outcomes at 40% social and economic factors, 30% health behaviors, 20% clinical care, and 10% physical environment.2 In other words, roughly four-fifths of what determines how healthy a county is happens somewhere other than a doctor's office.
Social & economic factors — income, education, family and social support, community safety
Health behaviors — physical activity, diet, tobacco and alcohol use
Clinical care — access to and quality of medical care
Physical environment — air, water, housing, transit
Weights from the County Health Rankings & Roadmaps model.2
Participation changes outcomes for children.
Organized sports, music, STEM, and arts programs are among the few single interventions that touch several determinants at once — physical activity, a safe supervised place, structured time with caring adults, and belonging to a group. The research on what that does for a child is large and consistent.
189 studies, one direction
A 2026 systematic review of 189 studies found sports participation in children and adolescents consistently linked to "higher self-esteem, greater life satisfaction, and lower symptoms of depression and anxiety," along with "improved interpersonal skills, prosocial behavior, and belonging." Team sports showed stronger and more consistent benefits than individual sports.3
122,056 adolescents
A meta-analysis of 29 studies covering more than 122,000 adolescents found anxiety and depressive symptoms significantly lower among sport-involved teens, supporting the view that sport "may be a protective environment." The effect was small, and the authors are clear it does not prove causation.4
Team sports, ages 9–13
In the national ABCD study of 11,235 U.S. children, team sport participation was associated with 10% lower anxious/depressed scores, 19% lower withdrawn/depressed scores, and 17% lower social-problem scores. Individual sports did not show the same pattern — the team matters.5
Music counts too. The largest randomized trial of a youth music program — 2,914 children ages 6–14 in Venezuela's El Sistema — found the clearest gains in self-control and behavior among the most vulnerable children, particularly boys and children whose mothers had less formal education. Effects for the average child were modest after one year; effects for the kids with the fewest other supports were not.6
Connected communities are healthier for everyone in them — not just the families with kids.
Public health researchers call it collective efficacy: the degree to which neighbors trust each other and are willing to act for the common good. It is one of the strongest community-level predictors of health we have, and it is built in exactly the places youth programs create — sidelines, practice fields, rehearsal rooms, and the carpools in between.
A study following 2,264 children born in large U.S. cities found that those who grew up in neighborhoods with high collective efficacy "experienced fewer depressive and anxiety symptoms during adolescence than similar children from neighborhoods with low collective efficacy" — an effect the authors compared in size to formal depression-prevention programs. Their recommendation: greater investment in "community-based initiatives that strengthen neighborhood social cohesion and control."7
What that means for a neighbor without kids
Every child on a roster brings adults with them: a parent on the sideline, a coach who volunteers, a grandparent at the recital, a mentor at the science fair, a neighbor who gives a ride. Those are the relationships that make a neighborhood one where people look out for each other — and that cohesion protects the health of adults as well as children.
The cost falls on everyone, too. Kids who drop out of activities in the middle years are the same kids who are more likely to be inactive, isolated, and disengaged from school as teenagers. A county's health care costs, school outcomes, and public safety all carry that bill.
The ecosystem is the point. We fund one child at a time, but the outcome we are after is a community where participation is the norm rather than a privilege.
The barrier is specific, measurable, and growing.
Average U.S. family spending on a child's primary sport in 2024 — up 46% since 2019. Across all sports, nearly $1,500 per child.8
The participation gap between children in households under $25,000 and those over $100,000 — up from 13.6 points in 2012.9
Low-income children quit sports because of cost at six times the rate of high-income children.10
Participation among 6–12-year-olds reached its highest level in a decade in 2024 — and teenagers' participation fell again.9 The drop-off happens exactly when costs climb. That is a fixable problem, and our own Community Needs Assessment shows what it looks like in Ventura County.
A note on what the research can and cannot say
Most of the studies above are observational: they show that kids who participate do better, not that participation alone causes it. Families who can afford programs differ in other ways too. We say so plainly, because our program is built to remove exactly that confounder — the cost — and because the randomized evidence that does exist points the same direction, strongest for the children with the least. Most of the published research is on sports; we apply the same logic to music, STEM, and the arts because they deliver the same ingredients — a safe place, caring adults, something to practice, and a group to belong to.
References
- U.S. Department of Health and Human Services, Office of Disease Prevention and Health Promotion. Social Determinants of Health. Healthy People 2030. odphp.health.gov
- University of Wisconsin Population Health Institute. County Health Rankings & Roadmaps model. countyhealthrankings.org
- Wade, L., Eime, R., Pankowiak, A., Vella, S., Robinson, K., Kennedy, S., Parkes, R., & Eather, N. (2026). The impact of sports participation on psychological health and social outcomes in children and adolescents: a systematic review and update to the "Mental Health through Sport" conceptual model. Systematic Reviews, 15(1), 121. PubMed
- Panza, M. J., Graupensperger, S., Agans, J. P., Doré, I., Vella, S. A., & Evans, M. B. (2020). Adolescent sport participation and symptoms of anxiety and depression: A systematic review and meta-analysis. Journal of Sport and Exercise Psychology, 42(3), 201–218. PubMed
- Hoffmann, M. D., Barnes, J. D., Tremblay, M. S., & Guerrero, M. D. (2022). Associations between organized sport participation and mental health difficulties: Data from over 11,000 US children and adolescents. PLOS ONE, 17(6), e0268583. PLOS ONE
- Alemán, X., Duryea, S., Guerra, N. G., McEwan, P. J., Muñoz, R., Stampini, M., & Williamson, A. A. (2017). The effects of musical training on child development: A randomized trial of El Sistema in Venezuela. Prevention Science, 18(7), 865–878. Springer
- Donnelly, L., McLanahan, S., Brooks-Gunn, J., Garfinkel, I., Wagner, B., Jacobsen, W., Pachman, S. G., & Gaydosh, L. (2016). Cohesive neighborhoods where social expectations are shared may have positive impact on adolescent mental health. Health Affairs, 35(11), 2083–2091. Health Affairs
- Aspen Institute Project Play & Utah State University Families in Sport Lab. (2025). National youth sports parent survey: Family spending on youth sports rises 46% over five years. projectplay.org
- Aspen Institute Project Play. (2025). State of Play 2025: Participation trends (Sports & Fitness Industry Association data). projectplay.org
- Aspen Institute Project Play & Utah State University Families in Sport Lab. (2020). National parent survey: Low-income kids are six times more likely to quit sports due to costs. projectplay.org