The FHS risk equations use age, age, categories of concentrations of TC, categories of concentrations of HDLC, categories of blood pressure, diabetes status, and smoking status.
The ARIC study risk equations incorporate age, age, race, categories of concentrations of TC, categories of concentrations of HDLC, systolic blood pressure, use of antihypertensive medications, and current smoking status.
In fact, LeBlanc and Wang's thesis here is merely a restatement of our own conclusions: The present effects of mixtures cannot be assigned to the categories of concentration additive or response additive.
The present effects of mixtures cannot be assigned to the categories of concentration additive or response additive, as described in Burkhart et al. (2003), and further, the roles of each of the individual pesticides in the effects of the mixture cannot be identified.
As demonstrated in Figure 1 representing the decile categories of PBDE concentrations, PBDE concentrations for all 4 frequently detected congeners were skewed to the left.
Tests for trend were assessed by including a continuous term in the model created by assigning to each bone lead category the median of concentrations in that category.
Our finding of a linear relationship for the RR of respiratory cancer mortality across the full range of cumulative arsenic exposures within each category of arsenic concentration argues against a threshold at 150 μg/L.
28 29303132 32 Four studies were excluded as risks were presented per category of pollutant concentration rather than per unit increment, the increment was not defined, or the effect estimates were not presented as either relative risks or odds ratios.
The evolution of study outcomes during 18 years by categories of serum concentrations of POPs at year 2 was evaluated by adjusting for the baseline values of outcomes plus potential confounders.
In addition, we compared potential NOAELs with the results of classifying bathers into quartile and quintile categories of exposure concentrations.
