A reader asked if I know of data on racial differences in psychopathy. I did find a sample of young adult South Floridians (called Drug Use Trajectories) which recorded DSM-IV diagnoses. Here are the percentages diagnosed with antisocial personality disorder (APD) by race/ethnicty (sample size = 1,792):
Percent with APD
Non-Hispanic white 12.3
Non-black Hispanic 13.2
Black Hispanic 30.8*
*significantly higher than non-Hispanic whites
Blacks--both Hispanic and non-Hispanic--have significantly higher numbers than whites or non-black Hispanics. Keep in mind that many of the Hispanics in this sample are Cuban. The pattern of findings suggests that race matters, not ethnicity or culture.
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