The Mood Disorder Questionnaire (MDQ) is a useful screening tool for bipolar spectrum disorder in an outpatient population. A score of 7 or more yielded a good sensitivity (0.73) and a very good specificity (0.90).
1. Has there ever been a period of time when you were not your usual self (while not using drugs or alcohol) and ... | ||
...you felt so good or so hyper that other people thought you were not your normal self, or you were so hyper that you got into trouble? (circle yes or no for each line, please) | Yes | No |
...you were so irritable that you shouted at people or started arguments? | Yes | No |
...you felt much more self-confident than usual? | Yes | No |
...you got much less sleep than usual and found you didnt really miss it? | Yes | No |
...you were much more talkative or spoke faster than usual? | Yes | No |
...thoughts raced through your head or you couldnt slow your mind down? | Yes | No |
...you were so easily distracted by things around you that you had trouble concentrating or staying on track? | Yes | No |
...you had much more energy than usual? | Yes | No |
...you were much more active or did many more things than usual? | Yes | No |
...you were much more social or outgoing than usual; for example, you telephoned friends in the middle of the night? | Yes | No |
...you were much more interested in sex than usual? | Yes | No |
...you did things that were unusual for you or that other people might have thought were excessive, foolish, or risky? | Yes | No |
...spending money got you or your family into trouble? | Yes | No |
Total number of Yes responses to question 1 | ||
2. If you checked YES to more than one of the above, have several of these ever happened during the same period of time? | Yes | No |
3. How much of a problem did any of these cause you like being unable to work; having family, money, or legal troubles; getting into arguments or fights? | No problem Minor problem Moderate problem Serious problem |
Scoring:
An individual is considered positive for Bipolar Disorder if they answered:
All three of the criteria should be met. A positive screen indicates that the person should receive a comprehensive diagnostic evaluation for bipolar spectrum disorder by a psychiatrist, licensed psychologist, or advanced practice psychiatric nurse.
From Hirschfeld R, Williams JB, Spitzer RL et al. Development and validation of a screening instrument for bipolar spectrum disorder: The Mood Disorder Questionnaire. Am J Psychiatry 2000; 157:18731875. Reprinted with permission from Dr. Robert MA Hirschfeld.