Psychometric validation of the Paykel Suicidal Behavior Scale in Mexican adolescents

The Mexican version of the Paykel Suicidal Behavior Scale demonstrates robust psychometric properties, including validity, reliability, and factorial invariance in the adolescent school population. The scale's brevity, clarity, and ease of application make it an effective tool for school screening, allowing for timely detection and referral to mental health services. Its use is recommended in adolescent suicide prevention programs in educational contexts in Mexico.