Key result
The Spanish adaptation of the OASIS and ODSIS demonstrated excellent internal consistency (α = 0.94 and 0.95) and optimal cut-offs of 4 and 5 for detecting anxiety and depressive symptoms.
Why the study?
Emotional disorders are increasing among university students, but screenings with adequate psychometric properties remain scarce.
Cross-Sectional (n=382)
The OASIS and ODSIS demonstrate good reliability and validity for the early detection of anxiety and depressive symptoms in Spanish youth.
May support screening in Spanish youth; extends scale validation but leaves open prospective clinical confirmation.
The lifetime prevalence of emotional disorders in Spain is 4.1% for anxiety and 5.2% for depression, increasing among university students. Considering the scarcity of screenings with adequate psychometric properties, this study aims to explore the validity evidence of the Overall Anxiety/Depression Severity and Impairment Scales (OASIS and ODSIS). A total of 382 university students from the general population were assessed on anxiety and depressive symptoms, as well as quality of life. The one-dimensional structure of both the OASIS and ODSIS explained 87.53% and 90.60% of variance, with excellent internal consistency (α = 0.94 and 0.95, respectively) and optimal cut-offs of 4 and 5, respectively. Both scales show a significant moderate association with other measures of anxiety, depression and quality of life. The OASIS and ODSIS have shown good reliability and sound validity evidence that recommend their use for the assessment and early detection of anxiety and depressive symptoms, and associated quality of life impairment in Spanish youth.
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Osma et al. (2021) conducted a cross-sectional in Anxiety and depressive symptoms (n=382). Overall Anxiety/Depression Severity and Impairment Scales (OASIS and ODSIS) was evaluated on Validity evidence and internal consistency of OASIS and ODSIS. The Spanish adaptation of the OASIS and ODSIS demonstrated excellent internal consistency (α = 0.94 and 0.95) and optimal cut-offs of 4 and 5 for detecting anxiety and depressive symptoms.
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