01 - Scoring & cutoffs
How scoring works.
The MDQ has three parts. Part one lists 13 lifetime manic or hypomanic experiences answered yes or no; the number of "yes" answers gives a 0-13 count. Part two asks whether several of the endorsed experiences happened during the same period of time. Part three asks how much of a problem these experiences caused (no problem, minor, moderate or serious).
A positive screen requires all three criteria at once: seven or more "yes" answers in part one, "yes" to the co-occurrence question, and "moderate" or "serious" problems in part three. The symptom count alone is not a severity score, and a positive screen is not a diagnosis - it should be followed by a clinical interview for bipolar disorder. Some distributed versions add unscored questions on family history and previous diagnosis.