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Area of Science:

  • Psychiatry
  • Global Mental Health
  • Suicidology

Background:

  • Nondisclosure of suicidal ideation (SI) complicates suicide risk assessment.
  • Cross-national data on SI nondisclosure rates and reasons are limited.
  • Self-report is a primary method for assessing SI, making nondisclosure a significant challenge.

Purpose of the Study:

  • To compare rates of SI nondisclosure from clinicians across 12 countries.
  • To examine differences in the reasons for SI nondisclosure across these countries.

Main Methods:

  • Surveyed 6,770 adult participants with a history of SI from 12 countries.
  • Asked participants if they had ever concealed SI from a clinician.
  • Coded self-reported reasons for nondisclosure.

Main Results:

  • Nondisclosure rates varied from 7.2% in Taiwan to 48.2% in the United States.
  • Reasons for nondisclosure ranged from 2.0% (uncertainty) to 35.6% (negative internal experiences).

Conclusions:

  • Findings highlight country-specific patterns in SI nondisclosure frequency and reasons.
  • Results support the integration of indirect suicide risk factors into clinical assessments.
  • Understanding nondisclosure is vital for enhancing suicide prevention strategies.