Table 2. Number of diseases and characteristics of the subjects according to quartiles of serum concentrations of dioxin congeners.

		Cut-off value (pg TEQ/g lipid)	n	Working duration (yr)	Age (yr)	Percent body fat (%)	BMI	Smoking habit	Alcohol consumption	Number of diseases2
								Smoker	Drinker	HTN	DM	HL	LDF
Total Dioxins
	Q11	<9.76	169	9.23 ± 7.7	35.3 ± 10.5	21.6 ± 6.5	23.0 ± 3.4	143	123	50	3	65	35
	Q2	≥9.76	170	12.2 ± 9.4	41.8 ± 10.3	23.8 ± 5.8	24.6 ± 3.6	141	138	66	4	94	50
	Q3	≥13.70	170	12.7± 9.2	46.7 ± 8.9	23.1 ± 5.5	24.3 ± 3.1	132	145	90	16	105	66
	Q4	≥21.67	169	15.5 ± 10.0	48.7 ± 9.7	22.8 ± 4.8	24.2 ± 2.8	140	145	98	22	98	60
PCDDs
	Q1	<4.34	169	9.4 ± 7.9	36.6 ± 11.1	22.1 ± 6.7	23.2 ± 3.5	136	126	54	3	65	35
	Q2	≥4.34	170	11.8 ± 8.9	42.0 ± 10.4	23.0 ± 5.3	24.1 ± 3.5	148	136	76	7	98	54
	Q3	≥6.09	170	13.5 ± 9.7	45.8 ± 9.5	23.6 ± 5.2	24.5 ± 3.1	135	146	80	10	103	63
	Q4	≥8.98	169	15.1 ± 9.9	48.0 ± 10.0	22.6 ± 5.2	24.3 ± 3.6	137	143	94	25	96	59
PCDFs
	Q1	<2.16	169	10.1 ± 8.3	36.2 ± 10.1	22.9 ± 6.7	23.4 ± 3.6	136	126	52	3	69	47
	Q2	≥2.16	170	11.6 ± 9.0	42.8 ± 10.3	22.8 ± 5.8	24.3 ± 3.1	151	143	73	5	99	50
	Q3	≥3.10	170	13.4 ± 9.9	45.2 ± 10.2	23.2 ± 5.9	24.2 ± 3.1	134	141	87	15	105	57
	Q4	≥4.51	169	14.6 ± 9.6	48.1 ± 10.2	22.4 ± 4.5	24.2 ± 2.8	135	141	92	22	89	57
Coplanar PCBs
	Q1	<2.60	169	9.3 ± 7.6	34.3 ± 10.0	21.7 ± 6.5	23.2 ± 3.5	144	119	46	2	68	2
	Q2	≥2.60	170	12.2 ± 9.5	42.4 ± 10.0	23.3 ± 5.7	24.1 ± 3.3	144	142	69	9	91	53
	Q3	≥4.45	169	12.3 ± 8.9	45.6 ± 9.3	23.3 ± 5.4	24.3 ± 3.2	127	139	84	14	97	63
	Q4	≥7.30	170	15.9 ± 10.1	50.0 ± 8.7	23.0 ± 5.2	24.4 ± 3.0	141	151	105	20	106	66

¹Q1, Q2, Q3 and Q4 stand for the 1st, 2nd, 3rd and 4th quartiles, respectively. ²HTN: hypertension; DM: diabetes mellitus; HL: hyperlipidemia; LDF: liver dysfunction