Research
A child plays in a playground.

When Social Risks Add Up: What’s Driving Gaps in Juvenile Arthritis Outcomes

Advances in therapies have made it possible for many children with juvenile idiopathic arthritis (JIA) to achieve normal growth and development. But those benefits aren’t reaching every family.

A new study led by Daniel Soulsby, MD, a pediatric rheumatologist in the UCSF Department of Pediatrics, found that children with the highest cumulative burden of social risk factors were more than twice as likely to have persistently active JIA. These children face painful inflammation that can interfere with daily life and lead to lasting joint damage.

Daniel Soulsby, MD
Daniel Soulsby, MD, cares for children with rheumatic diseases like arthritis and studies how social determinants of health affect patient outcomes. 

Risk Adds Up

The study, published recently in Arthritis Care & Research, drew on multicenter data from more than 9,600 children with JIA in the Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry. Nearly 40 percent experienced at least one form of social disadvantage, and the risk of active JIA increased as these challenges accumulated.

“Social determinants don’t operate in isolation, and looking at just one factor at a time doesn’t show the full picture of what these families are dealing with,” says Soulsby.

To better reflect this reality, the research team developed a cumulative social disadvantage score combining key household-level factors: lower income, public or no insurance, and lower caregiver education. With each additional factor, disease activity increased. The more social risks a child faces, the worse their long-term outcomes.

Care Access Is Not Enough

While children from more disadvantaged neighborhoods had worse outcomes, much of that effect was attributable to household-level factors such as income, insurance, and education. But the authors note that broader community barriers – such as environmental stressors, distance to specialty care, and local healthcare resources – also play an important role in shaping access and outcomes.

“The disparities we found persisted among children already receiving care at major pediatric rheumatology centers,” Soulsby notes. “That tells us that getting families through the door is essential, but it isn’t enough on its own to close gaps in disease activity.”

From Insight to Action

The findings make clear the need for multilevel solutions, both within and beyond the clinic. These include patient navigation programs, integrated social work support, and improved insurance access, alongside broader efforts to expand telehealth and strengthen connections to local care resources.

“This work gives us a strong framework for designing impactful solutions,” says Soulsby. “It shows us where interventions can make the greatest difference.”

The research team is developing a JIA-specific social disadvantage screening tool for use in routine clinical visits. The goal is to make social context a standard part of care so risks are identified early and addressed proactively – helping translate advances in JIA care into more consistent outcomes regardless of a child’s background.

This research reflects the UCSF Division of Pediatric Rheumatology’s commitment to improving outcomes for all children with rheumatic disease.

Authors: Other UCSF Department of Pediatrics contributors include Emily von Scheven, MD. For all authors, see the paper.

Funding: This study was supported by the National Center for Advancing Translational Sciences, NIH, through the UCSF-Clinical and Translational Science Institute grant UL1-TR-001872. For all funding, see the paper.