Brief Description
The Overall Depression Severity and Impairment Scale (ODSIS) is a brief measure of severity, frequency, and impairment related to symptoms of depression. The measure can be used across mood disorders and for those with subthreshold symptoms of depression. The ODSIS is useful for screening for depressive symptoms as well as monitoring symptom severity during treatment. Respondents rate the severity and impairment of depressive symptoms during the past week on a scale of 0 to 4, with each response option providing detailed descriptions of severity and impairment associated with symptoms.
Assessment Administration Type
Self-report
Number of questions
5
Age Range for Administration
18+
Recommended Frequency of Administration
Weekly
Summary of Scoring and Interpretations
The ODSIS contains 5 items that are scored on a 5-point Likert scale from 0 (lowest severity and impairment) to 4 (highest severity and impairment). A total score is calculated by summing the item responses, with higher scores being associated with more severe and more impairing depressive symptoms.
As recommended by Bentley and colleagues (2014), the Blueprint ODSIS measure uses the cut-off score of 8, meaning that a total score of 8 or more suggests significant symptoms of depression.
Blueprint Adjustments
N/A
Clinical Considerations
Estimated completion time: 2-5 minutes
There is evidence of reliability in validity among Western and non-Western samples, including outpatient populations, college students, and community samples.
Citation
Bentley, K. H., Gallagher, M. W., Carl, J. R., & Barlow, D. H. (2014). Development and validation of the Overall Depression Severity and Impairment Scale. Psychological Assessment, 26(3), 815–830. https://doi.org/10.1037/a0036216
Relevant Articles + Further Resources
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