Table 1:

The accuracy of our method to estimate the first and second principal components of Omega-3 and Omega-6 fatty acids. Errors were minimal with low variance in all cases. A portion of these errors can be explained by deviations from HWE and missing genotype data.

Response	Adjustments	Mean Slope Error	Mean % Slope Error	Variance Slope Error	Mean SE Error	Variance SE Error
Omega-3, PC1	Age, Sex, Cohort	1.03 × 10−7	2%	9.19 × 10−11	−1.57 × 10−7	3.66 × 10−12
Omega-3, PC2	Age, Sex, Cohort	−1.67 × 10−8	2%	1.13 × 10−11	2.04 × 10−9	4.34 × 10−13
Omega-3, PC1	Age, Sex, Cohort, Omega-6 FA	4.95 × 10−8	4%	6.53 × 10−11	1.17 × 10−8	2.42 × 10−11
Omega-3, PC2	Age, Sex, Cohort, Omega-6 FA	−1.45 × 10−8	4%	1.27 × 10−11	2.50 × 10−8	4.14 × 10−13
Omega-6, PC1	Age, Sex, Cohort	1.71 × 10−7	3%	2.82 × 10−10	2.04 × 10−8	1.86 × 10−11
Omega-6, PC2	Age, Sex, Cohort	4.88 × 10−8	2%	8.07 × 10−11	−8.72 × 10−8	4.17 × 10−12
Omega-6, PC1	Age, Sex, Cohort, Omega-3 FA	9.96 × 10−8	2%	2.59 × 10−10	−2.18 × 10−8	8.64 × 10−12
Omega-6, PC2	Age, Sex, Cohort, Omega-3 FA	5.27 × 10−8	3%	7.98 × 10−11	−4.07 × 10−8	3.11 × 10−12