Pediatric rheumatology

Emotional well-being at diagnosis may indicate future mental health risk in patients with juvenile idiopathic arthritis: data from the German inception cohort ICON

RMD OpenPublished Prospective inception cohort study

Authors' conclusion

Poor emotional functioning at the start of care for JIA may be an indicator of future mental health issues.

Study context

Population
Young people with newly diagnosed juvenile idiopathic arthritis (JIA) in Germany (ICON cohort) and healthy peers, both ≥13 years, assessed at 7-year and 9-year follow-ups
Participants
344 vs 224
Exposure
Patients with JIA vs healthy peers
  • Patientsn = 344
  • Controlsn = 224reference
Outcome
Prevalence of depressive (Patient Health Questionnaire-9) and anxiety (Generalised Anxiety Disorder Scale-7) symptoms
Follow-up
7 years and 9 years after inclusion
Methodological detailsmulticentre, cross-sectional and longitudinal analyses, healthy peer controls
  • Multicentre
  • Cross-sectional and longitudinal analyses
  • Healthy peer controls

Main finding

As reported in the abstract

Moderate to severe symptoms of depression · 7-year/9-year follow-up

Observational data: associations, not effects.

Further findings

Moderate to severe symptoms of anxiety · 7-year/9-year follow-up

Emotional functioning 3 months after diagnosis, patients with vs without relevant mental health problems at long-term follow-up · reduced emotional functioning
P < 0.001
Physical and emotional functioning after the first year of specialised care, patients with vs without relevant mental health problems at long-term follow-up · lower physical and emotional functioning
P < 0.001

Physician-reported disease activity in patients with vs without moderate to severe psychological distress · inclusion and follow-up

Not significantly higher in patients with moderate to severe psychological distress, who reported worse patient-reported outcomes

Original publication

Emotional well-being at diagnosis may indicate future mental health risk in patients with juvenile idiopathic arthritis: data from the German inception cohort ICON. RMD Open. Published 9 April 2026. doi:10.1136/rmdopen-2025-006335

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