in White twins). Unlike the negative correlations between C-RA and ever drinking, which likely reflect the role of religious involvement as a deterrent to drinking onset, the correlation between A-RA and ever drinking might be indicative of the higher prevalence of lifetime alcohol abstinence in religiously involved adults. Therefore, despite both A-RA and ever drinking being highly heritable in Blacks, their correlation is likely due to individual-specific factors that contribute to both outcomes, such as affiliation with non-deviant peers involved in prosocial activities. Some caution is required in the interpretation of the role of individual-specific environment, however, as it does include estimates of measurement error.
