PHQ-9 SCORING CARD FOR SEVERITY DETERMINATION 
  for health professional use only
  Scoring—add up all checked boxes on PHQ-9
  For every : Not at all = 0; Several days = 1;
  More than half the days = 2; Nearly every day = 3
  Interpretation of Total Score
  Total Score Depression Severity
1-4 Minimal depression
5-9 Mild depression
10-14 Moderate depression
15-19 Moderately severe depression
20-27 Severe depression