Gender and depressive symptoms in 711 patients with bipolar disorder evaluated prospectively in the Stanley Foundation Bipolar Treatment Outcome Network

Lori L. Altshuler, Ralph W. Kupka, Gerhard Hellemann, Mark A. Frye, Catherine A. Sugar, Susan L. McElroy, Willem A. Nolen, Heinz Grunze, Gabriele S. Leverich, Paul E. Keck, Melanie Zermeno, Robert M. Post, Trisha Suppes

Research output: Contribution to journalArticle

71 Scopus citations

Abstract

Objective: The authors assessed gender differences in the proportion of clinical visits spent depressed, manic, or euthymic in patients with bipolar disorder. Method: Data were analyzed from 711 patients with bipolar I or II disorder who were followed prospectively over 7 years (13,191 visits). The main outcome measures were the presence of symptoms of depression or of hypomania or mania, measured by the Inventory of Depressive Symptomatology and the Young Mania Rating Scale. Data were analyzed using three separate repeated-measures regressions with a logistic link function to model the probability that an individual was depressed, manic, or euthymic. The models controlled for bipolar I or bipolar II diagnosis, rapid cycling, age, time in the study, comorbid anxiety disorders, and comorbid substance use disorders. Results: In approximately half of visits, patients had depressive, manic, or hypomanic symptoms. The likelihood of having depressive symptoms was significantly greater for women than for men. This was accounted for by higher rates in women of rapid cycling and anxiety disorders, each of which was associated with increased rates of depression. All patient groups showed an increase in number of euthymic visits and a decrease in number of visits with depressive and manic symptoms with increased time in study. Conclusions: Bipolar patients spend a substantial proportion of their time ill. Significant gender differences exist, with women spending a greater proportion of their visits in the depressive pole. This finding appears to be related to the corresponding differences in rates of rapid cycling and anxiety disorders.

Original languageEnglish (US)
Pages (from-to)708-715
Number of pages8
JournalAmerican Journal of Psychiatry
Volume167
Issue number6
DOIs
StatePublished - Jun 1 2010

ASJC Scopus subject areas

  • Psychiatry and Mental health

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    Altshuler, L. L., Kupka, R. W., Hellemann, G., Frye, M. A., Sugar, C. A., McElroy, S. L., Nolen, W. A., Grunze, H., Leverich, G. S., Keck, P. E., Zermeno, M., Post, R. M., & Suppes, T. (2010). Gender and depressive symptoms in 711 patients with bipolar disorder evaluated prospectively in the Stanley Foundation Bipolar Treatment Outcome Network. American Journal of Psychiatry, 167(6), 708-715. https://doi.org/10.1176/appi.ajp.2009.09010105