Mental Health Book

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Patient Health Questionaire 2Aka: PHQ-2

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  1. Indications
    1. Initial depression screening tool
    2. Intended for use in combination with PHQ-9
      1. Administer PHQ-9 if PHQ-2 is positive
  2. Questionnaire: Yes or No PHQ-2
    1. Answer yes or no to both questions below
    2. In past 2 weeks, have you been bothered by:
      1. Little interest or pleasure in doing things?
      2. Feeling down, depressed or hopeless?
    3. Interpretation
      1. Positive if yes answer to either question
      2. Administer PHQ-9 if positive
    4. Efficacy
      1. Test Sensitivity: 96%
      2. Test Specificity: 57%
  3. Questionnaire: Scaled PHQ-2
    1. Answer key for 2 questions below
      1. Not at all: 0
      2. Several days: 1
      3. More than half the days: 2
      4. Nearly every day: 3
    2. In past 2 weeks, how often have you been bothered by:
      1. Little interest or pleasure in doing things?
      2. Feeling down, depressed or hopeless?
    3. Interpretation
      1. Positive if 3 or more points
      2. Administer PHQ-9 if positive
    4. Efficacy
      1. Test Sensitivity: 83%
      2. Test Specificity: 92%
  4. References
    1. Kroenke (2003) Med Care 41:1284

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