A tree-based mixture model for heterogeneous mediation analysis

Key Points

• Heterogeneous mediation effects are identified using a tree-based mixture model, enhancing understanding of relationships.
• The method significantly outperforms traditional mediation analysis approaches in certain contexts.
• This analysis employs a tree-based mixture model to assess the mediation effects across diverse populations and settings.
• Understanding these heterogeneous effects may improve targeted interventions in various fields.