This is calculated by assigning scores of 0, 1, 2, and 3 to the response categories, respectively, of “not at all,” “several days,” “more than half the days,” and “nearly every day.” GAD-7 total score for the seven items ranges from 0 to 21. 0–4: minimal anxiety 5–9: mild anxiety 10–14: moderate anxiety 15–21: severe anxiety
How to Score the PHQ-9 Major depressive disorder (MDD) is suggested if: • Of the 9 items, 5 or more are checked as at least‘more than half the days’ • Either item 1 or 2 is checked as at least‘more than half the days’ Other depressive syndrome is suggested if: • Of the 9 items, between 2 to 4 are checked as at least‘more than half the days’ • Either item 1 or 2 is checked as at least‘more than half the days’
PHQ-9 scores can be used to plan and monitor treatment. To score the instrument, tally the numbers of all the checked responses under each heading (not at all=0, several days=1, more than half the days=2, and nearly every day=3). Add the numbers together to total the score on the bottom of the questionnaire. Interpret the score by using the guide listed below.
This questionnaire was designed for self administration and is scored by adding each of the 8 items:
Scores of 8 or more indicate hazardous cannabis use, while scores of 12 or more indicate a possible cannabis use disorder for which further intervention may be required.