What is the PHQ-9?
The PHQ-9 is a validated screening questionnaire used to assess depressive symptoms and related functioning over the past two weeks.
You will be offered optional general well-being suggestions based on your answers.
It is intended for adults aged 18 years or older.
The PHQ-9 is a screening tool and does not provide an official diagnosis. A clinical diagnosis of depression can only be made by a healthcare professional.
Results interpretation
Higher scores on this questionnaire are associated with increased depressive symptoms and may reflect a lower mood in recent weeks.
If your score is high, you may wish to consider speaking with a healthcare professional who can provide a full evaluation and, if appropriate, a diagnosis and treatment options.
Why consider taking this questionnaire?
This questionnaire can help you reflect on your mood, energy, sleep, motivation, and daily functioning over the past two weeks and notice recent changes.
When to consider taking this questionnaire
This questionnaire may be helpful if you want to reflect on recent changes in areas such as:
- Lower mood
- Changes in sleep
- Reduced motivation
Instructions:
- Please answer each question based on how you have felt over the past two weeks, selecting the option that best reflects your experience.
Answer the following inquiry for each question listed below:
“Over the last 2 weeks, how often have you been bothered by any of the following problems?”
