The distributions of eight SNPs (APOA1 rs670 and rs5072, APOC3 rs5128 and rs2854117, APOA4 rs5104, APOA5 rs662799 and rs651821, and APOA5 rs2075291) were in Hardy-Weinberg equilibrium (HWE) in the non-MetS group. Here, APOA4 is linked to metabolic syndrome.