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About

Use PHQ-9 in your study with the Qolty app to deliver a mobile solution and increase patient retention and enrollment. The Patient Health Questionnaire, version 9 (PHQ- 9) is a patient self administered diagnostic instrument for diagnosis of depression severity. It utilizes the DSM-IV criteria to help diagnose depression with scoring between 0 (not at all) to 3 (nearly every day).  self-administered version of the PRIME-MD diagnostic instrument for common mental disorders. The PHQ-9 is the depression module, which scores each of the 9 DSM-IV criteria as “0” (not at all) to “3” (nearly every day). PHQ-9 scores of 5, 10, 15, and 20 represented mild, moderate, moderately severe, and severe depression, respectively and is a reliable and valid measure of depression severity.

Estimated time: 10 minutes

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Pricing

  • 3 Years data storage past end of collection date
  • Unlimited sampling intervals during collection period.

  • 5% Discount
  • 3 Years data storage past end of collection date
  • Unlimited sampling intervals during collection period.

  • 20% Discount
  • 3 Years data storage past end of collection date
  • Unlimited sampling intervals during collection period.