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Free download John’s textbooks in high res pdf. Check out Campbell's Physiology Notes Dr John Campbell Sold by author on eBay! Depression Patient Health Questionnaire (PHQ-9) (Scores each of the nine DSM-IV criteria) Over the last two weeks, how often have you been bothered by any of the following problems? Little interest or pleasure in doing things? Feeling down, depressed, or hopeless? Trouble falling or staying asleep, or sleeping too much? Feeling tired or having little energy? Poor appetite or overeating? Feeling bad about yourself - or that you are a failure or have let yourself or your family down? Trouble concentrating on things, such as reading the newspaper or watching television? Moving or speaking so slowly that other people could have noticed? (Or the opposite - being so fidgety or restless that you have been moving around a lot more than usual)? Thoughts that you would be better off dead, or of hurting yourself in some way? Depression Severity 0-4 none 5-9 mild 10-14 moderate 15-19 moderately severe 20-27 severe All features may be self-reported (subjective account) or observed by others In assessing for the presence of major depression Sensitivity of 88% Picks up 88% of cases, misses (false negative) 12 % of cases Specificity of 88% Correctly diagnoses 88% of the time, gives a false positive 12% of the time
