SMDDS Version 1.0 - How Difficult to Concentrate

**Semantic type:** Intellectual Product

**Definition:** Symptoms of Major Depressive Disorder Scale v1.0 (SMDDS Version 1.0) Over the past 7 days, how difficult was it for you to concentrate?

**Synonyms:** - SMDDS1-How Difficult to Concentrate - SMDDS1-How Difficult to Concentrate - SMDDS108