Article
Confirmatory test of two factors and four subtypes of bipolar disorder based on lifetime psychiatric co-morbidity.
Psychological medicine - 1 Jul 2015
Monahan P O, Stump T, Coryell W H, Harezlak J, Marcoulides G A, Liu H, Steeger C M, Mitchell P B, Wilcox H C, Hulvershorn L A, Glowinski A L, Iyer-Eimerbrink P A, McInnis M, Nurnberger J I
Abstract excerpt
BACKGROUND: The first aim was to use confirmatory factor analysis (CFA) to test a hypothesis that two factors (internalizing and externalizing) account for lifetime co-morbid DSM-IV diagnoses among adults with bipolar I (BPI) disorder. The second aim was to use confirmatory latent class analysis (CLCA) to test the hypothesis that four clinical subtypes are detectible: pure BPI; BPI plus internalizing disorders...
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