Exact(3)
The concentrations of trace elements in water, vegetables and fishes were compared with the established safe limit and the value of intake metals in human diet was calculated to estimate the risk to human health.
Tests for trend were performed by assigning the median value of intake frequency to the category and entering this as a continuous ordinal variable into the models.
Moreover, any error associated with them can be assumed to be random and independent of the true unknown value of intake.
Similar(57)
Finally, optimum values of intake temperature, mass flow rate of diesel and gaseous fuels are obtained for a desired output power and engine speed via NSGA-II.
Higher levels of pollutants were found in dog food and our results showed that the median values of intake were about twice higher in dogs than in cats for all the three groups of pollutants (ΣPAHs: 274.8 vs. 141.8; ΣOCPs: 233.1 vs. 83; ΣPCBs: 101.8 vs. 43.8 (ng/kg bw/day); respectively).
To test P for trend of the associations across increasing quartiles of intake, the median values of intake were assigned to each quartile and used as a continuous variable in the Cox model.
To assess the linearity of trends, median values of intake for quintiles were treated as continuous in Cox regression models.
Tests for linear trend were conducted by using the median values of intake in each category as a continuous variable.
For this reason, the ORs for isoflavones were estimated entering into the models quartile categories based on the raw values of intake and total energy intake separately.
The P-values for trend were calculated by the Wald test of a score variable that contained median values of intake categories.
Thus, at least at the values of intake observed in the Dionysos Nutrition & Liver Study, ethanol is not a risk factor for FL in the general population of Northern Italy.
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