A randomized controlled trial of a trauma-informed smartphone application in reducing firefighters’ mental health symptoms - Scorecard - MDSpire

A randomized controlled trial of a trauma-informed smartphone application in reducing firefighters’ mental health symptoms

  • By

  • Tracey Varker

  • Olivia Metcalf

  • Yee Foong Mok

  • Karen E. Lamb

  • Julia Fredrickson

  • Hussain-Abdulah Arjmand

  • Phoebe Howlett

  • Kari Gibson

  • Le Pham

  • Kate Everett

  • Meaghan Louise O’Donnell

  • November 24, 2025

  • 0 min

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Clinical Scorecard: Evaluation of a Trauma-Informed Mobile Application's Effectiveness in Alleviating Mental Health Symptoms Among Firefighters: A Randomized Controlled Trial

At a Glance

CategoryDetail
ConditionSubclinical and clinical symptoms of depression, anxiety, and posttraumatic stress among firefighters
Key MechanismsTrauma-informed, transdiagnostic skills-based intervention targeting shared psychological processes underlying depression, anxiety, and posttraumatic stress
Target PopulationFirefighters experiencing distress and subclinical mental health symptoms
Care SettingMobile application-based intervention accessible remotely and privately

Key Highlights

  • SOLAR-m app demonstrated greater reduction in depression and anxiety symptoms at 8 weeks compared to active mood monitoring control.
  • Significant improvements were observed in depression, anxiety, and posttraumatic stress symptoms at 8 weeks; depression improvements persisted at 3 months.
  • Mobile app delivery addresses barriers such as stigma, low mental health literacy, and privacy concerns in high-risk professions.

Guideline-Based Recommendations

Diagnosis

  • Screen firefighters for subclinical symptoms of depression, anxiety, and posttraumatic stress to enable early intervention.

Management

  • Implement trauma-informed, transdiagnostic digital interventions like the SOLAR-m app to reduce mental health symptoms.
  • Use mobile applications to provide accessible, confidential, and flexible mental health support for high-risk occupational groups.

Monitoring & Follow-up

  • Assess symptom changes at 8 weeks post-intervention and follow-up at 3 months to evaluate sustained benefits.

Risks

  • Be aware of potential attrition in digital mental health interventions and address engagement barriers.

Patient & Prescribing Data

Firefighters experiencing distress with subclinical or clinical symptoms of depression, anxiety, and posttraumatic stress

SOLAR-m app use resulted in statistically significant symptom reduction at 8 weeks with some sustained effects at 3 months, supporting its efficacy as an early intervention.

Clinical Best Practices

  • Incorporate trauma-informed, skills-based digital interventions for early mental health support in high-risk professions.
  • Utilize mobile apps to overcome stigma and accessibility barriers inherent in traditional mental health services.
  • Monitor symptom trajectories longitudinally to tailor ongoing support and identify need for additional interventions.

References

Original Source(s)

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