Measuring Anxiety and Depression in Adolescents: Psychometric Properties of the Overall Anxiety and Depression Severity and Impairment Scales.

ABSTRACT:

Background

Anxiety and depression are among the most prevalent mental health disorders in adolescence. However, there is a lack of efficient instruments that simultaneously assess both the severity and impairment associated with these symptoms. This study aims to adapt and further validate the Overall Anxiety Severity and Impairment Scale (OASIS) and the Overall Depression Severity and Impairment Scale (ODSIS) for adolescents.

Methods

The psychometric properties of the OASIS-A and ODSIS-A were examined in a community sample of 598 adolescents (51% male) from Portuguese public schools. Analyses included factor structure, internal consistency, measurement invariance, construct validity, gender-based comparisons and cutoff scores.

Results

Factor analysis supported a unid

SUBMITTER: Macas-Carvalho I 

PROVIDER: S-EPMC12686764 | biostudies-literature | 2025 Nov-Dec

REPOSITORIES: biostudies-literature