Objectives We assessed the relationship between the Patient Health Questionnaire-9 (PHQ-9) at intake and other measurements intended to assess biological factors, markers of disease and health status.

The Patient Health Questionnaire 9-item depression module (PHQ-9) is a well-validated, brief, self-reported, diagnostic, and severity measure of depression designed for use in primary care (PC).

As a patient, I would like to take the PHQ-9 depression screener and get the assessment score along with its explanation. As a patient, if I score moderate depression or higher, I would like to be ...

Create analytic data set (code written in Base SAS) Implement desired model In addition to this README, the srpm-phq9-qa repository contains the following materials that were used to assess PHQ item ...