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. 2011 Mar 14;173(7):752–760. doi: 10.1093/aje/kwq406

Table 3.

Estimated Frequency of the A (Minor) Allele in Cases and Controls at Single Nucleotide Polymorphism rs4322256, GAIN Study of Schizophrenia in African Americans, 2006–2008

Method Standard Population Normalization Inline graphic Inline graphic Inline graphic Inline graphic χ2
Weighted Controls No 0.5214 0.5588 −0.0374 2.678 × 10−4 5.22
Weighted Controls Yes 0.5212 0.5588 −0.0376 2.678 × 10−4 5.28
Weighted Study No 0.5144 0.5538 −0.0394 2.593 × 10−4 5.99
Weighted Study Yes 0.5143 0.5539 −0.0396 2.593 × 10−4 6.05
Stratified Controls 0.5207 0.5588 −0.0381 2.724 × 10−4 5.33
Stratified Study 0.5141 0.5532 −0.0391 2.692 × 10−4 5.68
Unadjusted 0.5072 0.5588 −0.0516 2.726 × 10−4 9.77
Logistic regression 6.12

Abbreviation: GAIN, Genetic Association Information Network.