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. Author manuscript; available in PMC: 2015 Apr 1.

Published in final edited form as: Nutr Res. 2014 Feb 10;34(4):285–293. doi: 10.1016/j.nutres.2014.02.001

Logistic model for adult NHANES 2003–2004 participants for the prototype individual: 50 year old white male at the 50^th percentile poverty income ratio (2.23), 50^th percentile body mass index (BMI 27), 50^th percentile serum carotenoid concentrations (1.7 μmol/L). All three PCBs were positively associated with an increased probability of type 2 diabetes (p<0.01). (A) PCB118. (B) PCB126. (C) PCB 153. At higher PCB percentiles for PCB 118 and 126, increasing serum carotenoid concentrations were associated with a smaller probability of type 2 diabetes (p<0.05). No serum carotenoid benefit and no statistical interaction effects were observed for PCB 153.

Logistic model for adult NHANES 2003–2004 participants for the prototype individual: 50 year old white male at the 50^th percentile poverty income ratio (2.23), 50^th percentile body mass index (BMI 27), 50^th percentile serum carotenoid concentrations (1.7 μmol/L). All three PCBs were positively associated with an increased probability of type 2 diabetes (p<0.01). (A) PCB118. (B) PCB126. (C) PCB 153. At higher PCB percentiles for PCB 118 and 126, increasing serum carotenoid concentrations were associated with a smaller probability of type 2 diabetes (p<0.05). No serum carotenoid benefit and no statistical interaction effects were observed for PCB 153.