2.9. Outcome Measurements
depression, HDRS-17, anhedonia
SECONDARY
The primary outcome (i.e., depression) was assessed by the 17-item Hamilton rating scale for depression (HDRS-17) [Regarding the secondary outcomes, anhedonia was assessed by the Chinese version of the Snaith–Hamilton pleasure scale (SHAPS) (the clinical utility of the Snaith–Hamilton pleasure scale was utilized through the Chinese settings). This scale is one of the most widely used self-report questionnaires in clinical research. It is used for the purposes of evaluating anhedonia with good psychometric properties [