What Best Predicts Substance Abuse? the Relative Utility of Self and Informant Reports of Personality and Personality Pathology.

We examined the relative utilities of five measures of personality and personality pathology rated by three sources (self, informant, and interviewer) in predicting AUD and tobacco smoking in a representative sample of 1,052 older adults, an understudied, uniquely vulnerable population. Notable parallels and differences were identified across substances and sources.