نتایج جستجو برای: exposure methods
تعداد نتایج: 2122752 فیلتر نتایج به سال:
conditional methods of adjustment are often used to quantify the effect of the exposure on the outcome. as a result, the stratums-specific risk ratio estimates are reported in the presence of interaction between exposure and confounder(s) in the literature, even if the target of the intervention on the exposure is the total population and the interaction itsel...
BACKGROUND Traffic exposure may increase cardiovascular disease (CVD) risk via systemic inflammation and elevated blood pressure, two important clinical markers for managing disease progression. OBJECTIVES We assessed degree and consistency of association between traffic exposure indicators as predictors of C-reactive protein (CRP) and pulse pressure (PP) in an adult U.S. Puerto Rican populat...
Epidemiology, being primarily an observational rather than experimental science, has often encountered problems with measurement of the study variables, which are not under the control of the investigator. Difficulties arise in part because the variables under study are often subjective and often must be ascertained by subjects' self reports or from records of dubious quality, because biologica...
Background: expert judgments in combination with exposure models are used extensively in estimation of inhalational exposures in occupational environments. However, their reliability is not as good as conventional air sampling methods. The aim of this study was to investigate the applicability, weaknesses and strengths of Bayesian analysis in combination with SSA (Structured Subjective Assessme...
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