Chunk #10 — MATERIALS AND METHODS — Genetic association analyses

Source

Multiple cholinergic nicotinic receptor genes affect nicotine dependence risk in African and European Americans.

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A series of logistic regression analyses was undertaken. We first present the primary analysis of case-control status in African-Americans using logistic regression in a 1 degree of freedom (df) test of the SNP term, with gender and age as covariates.