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Measurement of depression in a military sample
A L Slusarcick1, R J Ursano, M P Dinneen
1Uniformed Services University of the Health Sciences. Bethesda, MD 20814-4799, USA. aslusarcick@usuhs.mil
Psychological Reports
|November 27, 1999
Summary
The SCL-90-R Depression subscale and Global Severity Index accurately identify severe depression in military personnel. However, their specificity in ruling out depression needs further investigation.
Area of Science:
- Psychological assessment
- Military mental health
- Psychometrics
Background:
- The Symptom Checklist-90-Revised (SCL-90-R) is widely used for mental health screening.
- Accurate depression assessment is crucial in deployed military settings.
- Evaluating the diagnostic accuracy of screening tools is essential for effective interventions.
Purpose of the Study:
- To assess the sensitivity and specificity of the SCL-90-R Depression subscale and Global Severity Index.
- To determine the predictive value of these measures for mild, moderate, and severe depression.
- To examine these performance metrics within a deployed military population.
Main Methods:
- Utilized data from 250 Navy health care providers.
- Analyzed the SCL-90-R Depression subscale and Global Severity Index.
- Employed 90th percentile norms for case identification.
- Considered results stratified by sex.
Main Results:
- Both the SCL-90-R Depression subscale and Global Severity Index demonstrated 100% certainty in identifying severe depression.
- The specificity of these measures in identifying individuals without depression (nonevents) was less certain.
- Performance variations were observed when results were analyzed by sex.
Conclusions:
- The SCL-90-R Depression subscale and Global Severity Index are highly sensitive for detecting severe depression in deployed military personnel.
- Further research is needed to improve the specificity of these instruments for accurate diagnosis.
- Sex-based differences in performance warrant consideration in clinical application.