A retrospective study of the sociocultural and behavioral characteristics of 200 persons under treatment for narcotic addiction was done and the results compared with those of 200 matched nonaddict peers. Twenty-eight of the original 104 items tested were found to discriminate between the two samples at the 5% level of significance. A factor analysis of these items indicated that a general delinquency behavior factor and three family background factors accounted for most of the variance in the data.
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Egger et al. (1978) studied this question.
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