Interrelationships between patterns of drug abuse and personality and motivation were determined for male and female subjects. Significant sex differences were found with respect to drug behavior. Females used amphetamines more frequently than males and also showed greater multiple drug use. (Author)

Intercorrelations among primary personality traits of the Clinical Analysis Questionnaire were factor analyzed with 925 normal adults and 950 clinical cases. When separate analyses were carried out for men and women, 10 second-order factors were clearly replicated across the two data sets. (Author)