Table 4

ORs with 95% CIs of developing endometrial cancer according to quartiles of serum levels of specific PCB congenersa

CongenerModelbOR (95% CI)P for trendc
Quartile 1Quartile 2Quartile 3Quartile 4
CB 105Age-adjusted1.01.4 (0.7–2.6)1.2 (0.6–2.4)1.2 (0.6–2.3)0.69
Multivariate1.01.2 (0.6–2.3)1.0 (0.5–1.8)0.8 (0.4–1.6)0.42
CB 118Age-adjusted1.01.7 (0.9–3.3)1.6 (0.8–3.1)1.9 (1.0–3.7)0.11
Multivariate1.00.6 (0.8–3.0)1.2 (0.6–2.4)1.4 (0.7–2.8)0.58
CB 138Age-adjusted1.00.9 (0.5–1.8)1.2 (0.7–2.2)1.0 (0.6–1.9)0.74
Multivariate1.00.8 (0.4–1.6)1.2 (0.6–2.2)0.9 (0.5–1.7)0.95
CB 153Age-adjusted1.00.9 (0.5–1.7)1.1 (0.6–2.0)0.8 (0.4–1.4)0.58
Multivariate1.00.9 (0.5–1.7)1.2 (0.6–2.2)0.9 (0.5–1.7)0.94
CB 156Age-adjusted1.01.4 (0.8–2.5)1.1 (0.6–2.0)0.7 (0.4–1.3)0.18
Multivariate1.01.6 (0.8–2.9)1.4 (0.7–2.6)1.0 (0.5–2.0)0.90
CB 167Age-adjusted1.02.2 (1.1–4.2)1.6 (0.8–3.2)2.0 (1.0–4.1)0.19
Multivariate1.02.0 (1.0–3.9)1.4 (0.7–2.9)1.9 (0.9–3.9)0.24
CB 180Age-adjusted1.00.9 (0.5–1.6)0.8 (0.5–1.5)0.7 (0.4–1.4)0.32
Multivariate1.01.1 (0.6–2.0)1.1 (0.6–2.2)1.2 (0.6–2.2)0.67
  • a Median values for quartile 1 (cases/controls); quartile 4 (cases/controls), in ng/g lipid: CB 105, 1/1; 11.5/10.7; CB 118, 25.2/20.3; 73.4/70.9; CB 138, 67/59.1; 154/165; CB 153, 157/143; 342.5/351; CB 156, 12.9/12; 28.3/27.5; CB 167, 5/4.6; 14.7/15; CB 180, 108.5/103; 224.5/227.

  • b Multivariate adjusted for age and BMI.

  • c Tests for trend were performed by assigning consecutive integers to levels of categorized variables.