The Suicidal Ideation Attributes Scale exhibits strong psychometric properties for evaluating suicidal ideation among adolescents in community settings, according to prospective study findings published in Child and Adolescent Psychiatry and Mental Health. Researchers examining the brief measurement tool determined that it demonstrated structural validity, high internal consistency, and substantial test-retest reliability across repeat administrations. Furthermore, predictive modeling identified a specific score threshold that prospectively signaled an increased likelihood of suicide attempts over a one-year monitoring interval, supporting the instrument’s utility for youth suicide screening and research.
The investigation addressed an ongoing impediment to youth suicide prevention efforts: a recognized paucity of valid and reliable measurement tools capable of quantifying the severity of suicidal ideation among young people. To determine whether the Suicidal Ideation Attributes Scale functions effectively within this developmental population, the research team evaluated its structural, convergent, and predictive attributes across a large adolescent cohort.
Data for the evaluation were drawn from the Future Proofing study, a prospective cohort study established to track mental health and wellbeing trajectories in young people. The research design incorporated longitudinal data collected across three distinct measurement intervals, evaluating participants at an initial baseline survey, a short-term follow-up at six weeks, and an extended prospective follow-up at twelve months. This multi-wave prospective approach allowed investigators to examine both the immediate consistency of scale responses and their capacity to anticipate outcomes over a full calendar year.
The study cohort comprised 5,885 adolescents between the ages of 11 and 17 years who were recruited from community settings. The demographic breakdown of the sample was balanced by binary gender, with 48 percent of participants identifying as female and 48 percent identifying as male. An additional 4 percent of the adolescent participants identified as another gender, providing representation for gender-diverse youth in the psychometric analysis of the screening tool.
Confirmatory factor analysis indicated that the scale displayed an excellent fit to a single-factor model, confirming that the scale’s items coherently reflect a unified underlying construct of suicidal ideation severity. Evaluation of measurement consistency revealed very good internal consistency, with a Cronbach’s alpha coefficient of 0.90 across items. In addition, the instrument demonstrated strong test-retest reliability across repeated surveys (r = 0.69), an observational correlation that the researchers noted remained robust despite suicidal ideation being inherently prone to marked temporal fluctuation.
Construct validity was established through observed statistical correlations with validated mental health and psychological indicators. Scores on the scale correlated positively with depressive symptoms (r = 0.59) and psychological distress (r = 0.53), while exhibiting a negative correlation with adolescent wellbeing (r = −0.36). In prospective predictive validity analyses, researchers established that a cut-point score of 1 or greater was indicative of an increased risk of suicide attempt among adolescents at the 12-month follow-up survey.
Analyses of demographic subgroups revealed that gender-diverse adolescents displayed higher and more variable scores on the scale relative to their male and female peers. However, the researchers found no compelling evidence that sociodemographic factors significantly influenced the underlying response patterns of the scale. Given its confirmed structural validity, stability over time, and predictive capability, the authors concluded that the Suicidal Ideation Attributes Scale possesses future clinical and research utility for screening suicidal ideation and suicide risk in adolescents.
Subject of Research: Psychometric validation of the Suicidal Ideation Attributes Scale in adolescents
Article Title: Psychometric properties of the Suicidal Ideation Attributes Scale (SIDAS) in assessing suicidal ideation in adolescents
Article References: Calear, A. L., Werner-Seidler, A., Christensen, H., O’Dea, B., Maston, K., Torok, M., & Batterham, P. J. (2026). Psychometric properties of the Suicidal Ideation Attributes Scale (SIDAS) in assessing suicidal ideation in adolescents. Child and Adolescent Psychiatry and Mental Health. https://doi.org/10.1186/s13034-026-01170-w
Image Credits: AI Generated
DOI: 10.1186/s13034-026-01170-w
Keywords: Suicidal Ideation Attributes Scale, adolescent mental health, psychometrics, suicide risk screening, Future Proofing study, prospective cohort study, test-retest reliability, predictive validity, Psychometric, properties, Suicidal, Ideation
