Table 5 Predictors of log dioxin TEQsa among boys in Chapaevsk, Russia (adjusted for age). Abbreviations: Log, logarithm base 10; BMI, body mass index; TEQ, toxic equivalents aSum of dioxin TEQs include TEQs for PCDDs, PCDFs, coplanar PCBs and other 'dioxin-like' PCBs bEach variable was modeled using three ordinal levels. cParity refers to the number of live births prior to the index son. dPrior maternal breastfeeding refers to the cumulative number of weeks of breastfeeding children born prior to the index son. N = 30 for age, BMI, and distance from Khimprom at time of blood draw; N = 29 for all food consumption and medical history predictors; N = 27 for model with PCB118.