Viki, Vitalk’s virtual mental healthcare assistant.
Eckhard Kleinau

Director, Research and Evaluation

A recent randomized controlled trial (RCT) led by Dr. Eckhard Kleinau, Director, Research and Evaluation, URC, evaluated the effectiveness of the chatbot Vitalk in improving the mental wellbeing of health workers in Malawi during the COVID-19 pandemic. The study involving 1,584 participants from various healthcare facilities revealed significant improvements in mental health outcomes for those using the chatbot.

Study Overview

The trial compared Vitalk, an interactive chatbot, with passive internet resources in reducing symptoms of depression, anxiety, burnout, and loneliness while enhancing resilience. Participants were randomly assigned to either the treatment group using Vitalk or the control group accessing internet resources.

Mental Health Crisis Among Health Workers

The pandemic has exacerbated mental health issues among healthcare professionals worldwide. In Malawi, limited mental health services led to acute problems for accessing treatment, with only 0.02 psychologists and 0.01 psychiatrists per 100,000 people. This study highlights the urgent need for innovative mental health interventions in low-resource settings.

Key Findings

Results showed that Vitalk significantly improved mental health and resilience outcomes compared to the control group. Key findings include:

  • Depression: Participants using Vitalk reported a significant reduction in depression symptoms.
  • Anxiety: The chatbot also reduced anxiety levels.
  • Burnout: There was a trend toward reducing burnout, though not statistically significant.
  • Resilience: Users of the chatbot exhibited greater improvements in resilience and resilience-building activities.

Participant Engagement

Engagement with the Vitalk app was high, with participants interacting with the chatbot an average of 92 times over the study period. In contrast, the control group accessed the provided web resources infrequently. The high engagement levels with Vitalk highlight the potential of digital interventions to maintain user interest and deliver consistent mental health support.

Conclusion

This trial demonstrates that interactive chatbots like Vitalk can effectively improve the mental wellbeing of health workers, especially in low-resource settings. Significant reductions in depression, anxiety, and burnout, along with enhanced resilience, suggest that digital interventions could be crucial in addressing the mental health crisis among healthcare professionals exacerbated by the COVID-19 pandemic.