Chunk #2 — Methods — Study population and data collection

Source

Application of the propensity score in a covariate-based linkage analysis of the Collaborative Study on the Genetics of Alcoholism.

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The study population consisted of families ascertained by the COGA. The COGA study and the data available for the Genetic Analysis Workshop 14 (GAW14) have been previously described in this issue. This study specifically uses the microsatellite genotype and covariate data that were released as part of GAW14.