Table 6.

The association of quartiles polychlorinated dibenzo-p-dioxins (PCDDs) concentration with cancer mortality in NHANES 1999–2004.

PCDDs	Q1	Q2	Q3	Q4
1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin	Ref	0.79 (0.46, 1.37)	0.72 (0.41, 1.28)	0.79 (0.43, 1.48)
1,2,3,4,6,7,8-Heptachlororodibenzo-p-dioxin	Ref	0.88 (0.49, 1.56)	0.82 (0.42, 1.59)	0.72 (0.33, 1.55)
1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin	Ref	1.09 (0.61, 1.95)	0.99 (0.52, 1.88)	1.51 (0.74, 3.06)
1,2,3,4,6,7,8-Heptachlorodibenzofuran	Ref	1.63 (0.91, 2.92)	1.83 (0.98, 3.45)	2.02 (1.03, 3.96)
3,3′,4,4′,5-Pentachlorobiphenyl	Ref	0.99 (0.58, 1.69)	1.00 (0.58, 1.75)	0.93 (0.51, 1.69)

Adjusted as age, gender, serum cotinine category, alcohol drink status, physical activity status, NHANES cycles, and all polychlorinated dibenzo-p-dioxins.