Chilean experimental version of the State-Trait Depression Questionnaire (ST-DEP): State subscale (S-DEP)

Depression is the most prevalent mental disorder and one of the most important health problems in Chile. The current study shows data for validity and reliability of the State subscale (S-DEP) of the Chilean experimental version of the State-Trait Depression Questionnaire (ST-DEP). The procedure conducted with the original version of the questionnaire was replicated on a sample of 300 university students. The utilized measures were the State Depression Questionnaire, Beck Depression Inventory, the State-Trait Anxiety Inventory, and neutral depressive, mild depressive, and moderate depressive vignettes. Results indicated that the factor structure was replicable, the internal consistency was good, and the situations were ranked as expected. The scale distinguishes intensities of depression. Clinicians and researchers in Chile are provided with a new measure for state depression.