Chunk #22 — MATERIALS AND METHODS — Part II: GWAS results from varying p-value thresholds — Association analyses

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Using genetic information from candidate gene and genome-wide association studies in risk prediction for alcohol dependence.

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Association was performed using logistic regression with sex and site covariates distinguishing between the three study sites using an additive model in PLINK v1.07. Figure 1 shows the p-value thresholds used to select SNPs from association results in the first half of the sample.