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Francisco García edited this page Jan 13, 2015 · 9 revisions

The plink.assoc file contains the fields:

 CHR     Chromosome
 SNP     SNP ID
 BP      Physical position (base-pair)
 A1      Minor allele name (based on whole sample)
 F_A     Frequency of this allele in cases
 F_U     Frequency of this allele in controls
 A2      Major allele name
 CHISQ   Basic allelic test chi-square (1df)
 P       Asymptotic p-value for this test
 OR      Estimated odds ratio (for A1, i.e. A2 is reference)

Example:

CHR SNP BP A1 F_A F_U A2 CHISQ P OR
1 rs3094315 742429 C 0.1509 0.1394 T 0.0759 0.782 1.097
1 rs4040617 769185 G 0.1509 0.1202 A 0.5849 0.444 1.301
1 rs2980300 775852 A 0.1961 0.1683 G 0.3576 0.549 1.205
1 rs4075116 993492 G 0.2547 0.2163 A 0.585 0.444 1.238
... ... ... ... ... ... ... ... ... ...
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