Table 3.

The association of polychlorinated dibenzo-p-dioxins (PCDDs) concentration with all-cause mortality, cardiovascular mortality and cancer mortality in NHANES 1999–2004.

	Model 1			Model 2
PCDDs	HR	95% CI	p	HR	95% CI	p
1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin
All mortality	0.99	0.84, 1.17	0.920	1.04	0.85, 1.27	0.725
Cancer mortality	0.73	0.52, 1.02	0.065	0.75	0.50, 1.14	0.178
1,2,3,4,6,7,8-Heptachlororodibenzo-p-dioxin
All mortality	0.69	0.55, 0.87	0.001	0.45	0.32, 0.64	<0.001
Cancer mortality	0.52	0.32, 0.84	0.008	0.48	0.23, 1.02	0.055
1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin
All mortality	0.99	0.79, 1.24	0.903	1.76	1.22, 2.53	0.003
Cancer mortality	0.66	0.40, 1.07	0.095	1.08	0.49, 2.36	0.848
1,2,3,4,6,7,8-Heptachlorodibenzofuran
All mortality	0.97	0.76, 1.23	0.784	1.04	0.78, 1.38	0.776
Cancer mortality	1.16	0.70, 1.92	0.570	1.90	1.05, 3.43	0.034
3,3′,4,4′,5-Pentachlorobiphenyl
All mortality	0.86	0.72, 1.03	0.093	0.98	0.80, 1.20	0.878
Cancer mortality	0.71	0.49, 1.02	0.067	0.87	0.57, 1.32	0.503

Model 1, age, gender, PIR category, serum cotinine category, alcohol drink status, physical activity status and NHANES cycles.

Model 2, model 1 plus all polychlorinated dibenzo-p-dioxins.

HR, hazard ratio; CI, confidence interval.