Table 3

ORs with 95% CIs of developing endometrial cancer according to quartiles^a of serum organochlorine pesticide levels

Compound	Model^b	OR (95% CI)						P for trend^c
Compound	Model^b			Quartile 1	Quartile 2	Quartile 3	Quartile 4	P for trend^c
p,p′-DDT	Age-adjusted	1.0	1.3 (0.7–2.5)	1.1 (0.6–2.2)	1.8 (1.0–3.4)	0.08
	Multivariate	1.0	1.1 (0.6–2.2)	0.8 (0.4–1.6)	1.1 (0.5–2.1)	0.95
p,p′-DDE	Age-adjusted	1.0	1.0 (0.6–2.0)	1.4 (0.7–2.5)	1.4 (0.8–2.6)	0.17
	Multivariate	1.0	0.9 (0.5–1.8)	1.1 (0.6–2.0)	1.0 (0.6–2.0)	0.78
HCB	Age-adjusted	1.0	1.3 (0.7–2.4)	1.1 (0.6–2.1)	1.1 (0.6–2.2)	0.95
	Multivariate	1.0	1.2 (0.6–2.2)	1.0 (0.5–1.9)	1.0 (0.5–1.9)	0.76
β-HCH	Age-adjusted	1.0	1.0 (0.5–2.0)	1.4 (0.7–2.7)	1.3 (0.7–2.6)	0.29
	Multivariate	1.0	0.8 (0.4–1.5)	1.0 (0.5–2.0)	0.9 (0.5–1.9)	0.87
Oxychlordane	Age-adjusted	1.0	1.3 (0.7–2.6)	1.2 (0.6–2.4)	1.8 (0.9–3.4)	0.12
	Multivariate	1.0	1.1 (0.6–2.2)	1.0 (0.5–2.0)	1.4 (0.7–2.8)	0.33
trans-Nonachlor	Age-adjusted	1.0	1.4 (0.7–2.7)	1.6 (0.8–3.1)	1.4 (0.7–2.8)	0.31
	Multivariate	1.0	1.2 (0.6–2.3)	1.3 (0.7–2.7)	1.2 (0.6–2.5)	0.56

^a Median values for quartile 1 (cases/controls); quartile 4 (cases/controls), in ng/g lipid: p,p′-DDT, 6.3/4.8; 37.3/34; p,p′-DDE, 209.5/181; 1072/1165; HCB, 40.8/40.2; 109.5/94.2; β-HCH, 26/21.9; 100/98.4; oxychlordane, 6.7/6.9; 24/22.9; trans-nonachlor, 12.4/13; 40.4/39.1.
^b Multivariate adjusted for age and BMI.
^c Tests for trend were performed by assigning consecutive integers to levels of categorized variables.