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Chunk #12 — MATERIALS AND METHODS — Phenotypes:

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Genome-wide admixture mapping of DSM-IV alcohol dependence, criterion count, and the self-rating of the effects of ethanol in African American populations.
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1997). In this study, we used SRE-5 as well as the average scores across the three time points (SRE-T). Individuals who drank >=2 drinks on one occasion were included in the analysis with extreme observations winsorized at the mean plus 2 standard deviations. The natural logarithm of SRE-5 and square root of SRE-T were used in analyses based on their distributions (Lai, Wetherill, Kapoor, et al., 2019).