Table 3

ORs with 95% CIs of developing endometrial cancer according to quartilesa of serum organochlorine pesticide levels

CompoundModelbOR (95% CI)P for trendc
Quartile 1Quartile 2Quartile 3Quartile 4
p,p′-DDTAge-adjusted1.01.3 (0.7–2.5)1.1 (0.6–2.2)1.8 (1.0–3.4)0.08
Multivariate1.01.1 (0.6–2.2)0.8 (0.4–1.6)1.1 (0.5–2.1)0.95
p,p′-DDEAge-adjusted1.01.0 (0.6–2.0)1.4 (0.7–2.5)1.4 (0.8–2.6)0.17
Multivariate1.00.9 (0.5–1.8)1.1 (0.6–2.0)1.0 (0.6–2.0)0.78
HCBAge-adjusted1.01.3 (0.7–2.4)1.1 (0.6–2.1)1.1 (0.6–2.2)0.95
Multivariate1.01.2 (0.6–2.2)1.0 (0.5–1.9)1.0 (0.5–1.9)0.76
β-HCHAge-adjusted1.01.0 (0.5–2.0)1.4 (0.7–2.7)1.3 (0.7–2.6)0.29
Multivariate1.00.8 (0.4–1.5)1.0 (0.5–2.0)0.9 (0.5–1.9)0.87
OxychlordaneAge-adjusted1.01.3 (0.7–2.6)1.2 (0.6–2.4)1.8 (0.9–3.4)0.12
Multivariate1.01.1 (0.6–2.2)1.0 (0.5–2.0)1.4 (0.7–2.8)0.33
trans-NonachlorAge-adjusted1.01.4 (0.7–2.7)1.6 (0.8–3.1)1.4 (0.7–2.8)0.31
Multivariate1.01.2 (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.