Table 4

Logistic regression analyses

	Crude				Adjusted
	B	OR	95% CI	P value	B	OR	95% CI	P value
Alpha-HCH	0.27	1.31	1.44 to 1.19	<0.001	0.29	1.34	1.20 to 1.49	<0.001
Q1 (≤1)	Ref	Ref	Ref	–	Ref	Ref	Ref	–
Q2 (1–2)	0.77	2.17	0.81 to 5.79	0.11	0.75	2.12	0.76 to 5.88	0.14
Q3 (2–3)	0.61	1.84	0.75 to 4.49	0.17	0.48	1.63	0.64 to 4.11	0.31
Q4 (>3)	1.49	4.42	1.75 to 11.15	0.002*	1.57	4.82	1.83 to 12.68	0.001*
Beta-HCH	0.43	1.53	1.31 to 1.79	<0.001	0.43	1.54	1.30 to 1.82	<0.001
Q1 (≤1.74)	Ref	Ref	Ref	–	Ref	Ref	Ref	–
Q2 (1.74–4.34)	0.72	2.06	0.84 to 5.07	0.11	0.74	2.11	0.83 to 5.37	0.11
Q3 (4.34–7.11)	1.42	4.13	1.62 to 10.54	0.003*	1.41	4.11	1.55 to 10.87	0.004*
Q4 (>7.11)	1.16	3.19	1.21 to 8.37	0.01*	1.17	3.23	1.17 to 8.92	0.02*
Gamma-HCH	0.44	1.56	1.31 to 1.84	<0.001	0.46	1.58	1.31 to 1.91	<0.001
Q1 (≤1.38)	Ref	Ref	Ref	–	Ref	Ref	Ref	–
Q2 (1.38–2.92)	0.57	1.77	0.63 to 4.94	0.27	0.36	1.44	0.48 to 4.22	0.51
Q3 (2.92–6.71)	1.07	2.91	1.21 to 7.05	0.01*	1.14	3.14	1.23 to 8.03	0.01*
Q4 (>6.71)	1.32	3.73	1.52 to 9.17	0.004*	1.15	3.15	1.23 to 8.07	0.01*
2,4-DDE	0.18	1.21	1.13 to 1.28	<0.001	0.19	1.21	1.13 to 1.30	<0.001
Q1 (≤1.57)	Ref	Ref	Ref	–	Ref	Ref	Ref	–
Q2 (1.57–8.38)	0.97	2.66	1.01 to 6.97	0.04*	1.03	2.80	1.02 to 7.67	0.04*
Q3 (8.38–27.33)	0.93	2.52	1.03 to 6.16	0.04*	0.99	2.71	1.06 to 6.89	0.03*
Q4 (>27.33)	1.54	4.67	1.78 to 12.15	0.002*	1.52	4.55	1.70 to 12.19	0.003*
4,4-DDE	0.64	1.91	1.48 to 2.45	<0.001	0.64	1.89	1.42 to 2.52	<0.001
Q1 (≤1.42)	Ref	Ref	Ref	Ref	Ref	Ref	Ref	–
Q2 (1.42–1.91)	0.34	1.40	0.58 to 3.40	0.45	0.23	1.27	0.51 to 3.16	0.61
Q3 (1.91–5.65)	1.12	3.06	1.18 to 7.93	0.02*	0.84	2.32	0.85 to 6.29	0.09
Q4 (>5.65)	1.55	4.72	1.77 to 12.60	0.002*	1.48	4.42	1.62 to 12.13	0.004*
2,4-DDT	0.15	1.16	1.07 to 1.27	0.001	0.15	1.16	1.05 to 1.28	0.002
Q1 (≤1.37)	Ref	Ref	Ref	–	Ref	Ref	Ref	–
Q2 (1.37–2.30)	−0.05	0.95	0.36 to 2.51	0.91	−0.21	0.81	0.29 to 2.23	0.68
Q3 (2.30–7.21)	1.07	1.03	1.02 to 8.41	0.04*	1.19	3.29	1.10 to 9.85	0.03*
Q4 (>7.21)	1.23	1.46	1.46 to 8.05	0.005*	1.22	3.41	1.37 to 8.47	0.008*
4,4-DDT	0.21	1.24	1.11 to 1.38	<0.001	0.20	1.22	1.09 to 1.38	0.001
Q1 (≤1.27)	Ref	Ref	Ref	–	Ref	Ref	Ref	–
Q2 (1.27–1.53)	−0.40	0.67	0.25 to 1.80	0.42	−0.42	0.65	0.23 to 1.78	0.41
Q3 (1.53–4.45)	0.93	2.55	0.98 to 6.60	0.05	0.73	2.08	0.77 to 5.61	0.14
Q4 (>4.45)	1.64	5.17	1.98 to 13.44	0.001*	1.61	5.01	1.85 to 13.47	0.001*

Multiple logistic regression. Models were adjusted for total lipid, sex, age, BMI, and disease stage.
*P˂0.05.
alpha-HCH, alpha-hexachlorocyclohexane; beta-HCH, beta-hexachlorocyclohexane; BMI, body mass index; 2,4-DDE, 2,4-dichlorodiphenyldichloroethylene; 4,4-DDE, 4,4-dichlorodiphenyldichloroethylene; 2,4-DDT, 2,4-dichlorodiphenyltrichloroethane; 4,4-DDT, 4,4-dichlorodiphenyltrichloroethane; gamma-HCH, gamma-hexachlorocyclohexane; Ref, reference.