PHQ-9 - Trouble Concentrating on Things

**Semantic type:** Intellectual Product

**Definition:** Patient Health Questionnaire - 9 (PHQ-9) Over the last 2 weeks, how often have you been bothered by: Trouble concentrating on things, such as reading the newspaper or watching television.

**Synonyms:** - PHQ01-Trouble Concentrating on Things - PHQ01-Trouble Concentrating on Things - PHQ0107