Which screening tool is frequently used for assessing depression in adults?

The Patient Health Questionnaire-9 (PHQ-9) is widely considered a standard tool for assessing depression in adults due to its robust framework and validation in various populations. The PHQ-9 consists of nine items that align closely with the diagnostic criteria for major depressive disorder outlined in the DSM-5. Each item reflects a symptom of depression that respondents rate based on their experiences over the past two weeks, making it a straightforward and effective method for identifying the severity and presence of depressive symptoms.

Moreover, the PHQ-9 is beneficial not only for diagnosis but also for monitoring treatment progress over time. Its scoring system allows healthcare providers to quantify the severity of depression, facilitating appropriate clinical decisions and intervention strategies. The simplicity of the tool enhances its accessibility, allowing it to be utilized in various healthcare settings, including primary care and mental health facilities. This contributes to its widespread use and recognition as a primary screening instrument for depression.

In contrast, the other options—such as the Beck Depression Inventory—are also used for assessing depression but are less common in general practice settings, typically requiring more clinical expertise or being utilized in specific contexts. The Hamilton Anxiety Rating Scale and the Generalized Anxiety Disorder 7-item scale, while useful, specifically target anxiety disorders rather