How cyberbullying victimization relates to suicide risk: Evidence of feature-based heterogeneity from double machine learning.

With the advancement of internet technologies, daily life has become more convenient; however, cyberbullying victimization has also risen. It poses serious threats to psychological and physical well-being and is a potential risk factor for suicide. Although prior research has linked cyberbullying victimization to suicide risk, evidence on the variation of this association across individuals and its robustness to high-dimensional confounders remains limited. This study estimates the average treatment effect (ATE) and conditional average treatment effect (CATE) of cyberbullying victimization on