Table 2.

Relationship of serum AhR bioactivity with TEQ or plasma levels of individual POPs (ln-TEQ, ln-POPs, pg/mL) are represented by regression coefficients (β) with corresponding 95% CIs and P values (n = 911). Linear regression models were adjusted for sex, serum cholesterol, and serum triglycerides.

Variable	β coefficient (95% CI)	P value
TEQtotal	0.033 (0.0075, 0.059)	0.012*
TEQplanar	0.032 (0.0069, 0.058)	0.013*
TEQortho	0.065 (0.020, 0.11)	0.0046*
PCB74	0.038 (0.0056, 0.071)	0.022*
PCB99	0.031 (0.0019, 0.060)	0.037*
PCB138	0.046 (0.009, 0.084)	0.015*
PCB153	0.053 (0.012, 0.095)	0.012*
PCB170	0.065 (0.019, 0.11)	0.0064*
PCB180	0.057 (0.011, 0.10)	0.016*
PCB194	0.012 (−0.0093, 0.034)	0.27
PCB206	0.040 (−0.0028, 0.083)	0.068
PCB209	0.018 (−0.021, 0.056)	0.37
PCB105	0.025 (−0.0027, 0.053)	0.077
PCB118	0.035 (00032, 0.066)	0.031*
PCB156	0.055 (0.013, 0.097)	0.011*
PCB157	0.065 (0.026, 0.10)	0.0012*
PCB189	0.032 (0.0069, 0.057)	0.013*
PCB126	0.020 (0.0015, 0.038)	0.034*
PCB169	0.029 (−0.0069, 0.065)	0.11
OCDD	−0.0094 (−0.037, 0.018)	0.50
BDE47	0.032 (0.0079, 0.056)	0.0093*

^*Indicates significant P value. All variables were natural log-transformed.

CI, confidence interval; TEQ, toxic equivalence; PCB, polychlorinated biphenyl; TEQ_planar: TEQ for dioxin-like coplanar, non-ortho-substituted PCBs; TEQ_ortho: TEQ for dioxin-like mono-ortho-substituted PCBs; OCDD, octachlorinated dibenzo-p-dioxin; BDE, brominated diphenyl ether.