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SOURCE: PHQ-9, an evidence-based screening tool
The Patient Health Questionnaire-9, or PHQ-9, is a screening tool widely used by health professionals. It was scientifically developed and clinically validated in numerous studies. The PHQ-9 was originally developed by Drs. Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke and colleagues and is copyright 1999 Pfizer.
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For this self-assessment, we recommend that you use a pen and paper to write down your points as you accumulate them.
This system will also give you your score at the end of the survey.
Over the last 2 weeks, how often have you been bothered by any of the following problems?
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Based on the PHQ-9 anxiety scale, your score falls into one of these categories:
0 No risk of anxiety
1-4 Minimal risk of anxiety
5-9 Mild risk of anxiety
10-14 Moderate risk of anxiety
15-19 Moderately severe risk of anxiety
20-27 Severe risk of anxiety
Source: PHQ-9, an evidence-based screening tool