Sentence examples for classification of exposure from inspiring English sources

The significance of these epidemiological studies is, however, limited because of the small number of participants, mostly males due to the working structure in the companies, and the problematic classification of exposure [17, 115].

There was a wide variation in classification of exposure across studies.

As with many studies of air pollution, classification of exposure is imperfect.

Nor is the classification of exposure exact enough to detect even very large effects of DDE.

Classification of exposure is another area where bias can be introduced.

Newer data, however, suggest a single sample may allow a broad classification of exposure (Meeker et al. 2005).

Evidence of the hazardous effects of an exposure may be obscured by classification of exposure-induced cases into different groups based upon clinical characteristics that are not etiologically relevant.

However, the standardized and blinded techniques applied to the maternal reports support the validity of the employment-based classification of exposures.

The strengths and limitations of this paper are discussed in four categories: classification of exposures and outcomes; local or global relevance of results; confounding and effect modification; and analysis deviance.

It is difficult to determine whether the observed differences across racial/ethnic strata are due to difficulties in classification of exposures and outcomes, physiologic variations across race/ethnicity in response to particulate matter, other confounding factors that were uncontrollable in the present study, or a combination of these.

Differences in the reported prevalence of BeS and CBD among studies are possibly due to exposure level differences, mis-classification of exposure status, or dissimilar follow-up.