HP and metabolic syndrome: We found significant trends for associations with metabolic syndrome for 1,2,3,7,8-PeCDD, 1,2,3,6,7,8-HxCDD, 1,2,3,4,6,7,8-Hp-CDD, OCDD, 2,3,4,7,8-PeCDF, PCB-126, PCB-105, PCB-114, PCB-118, PCB-123, and PCB-167.