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.