Transcription of 5. EPIDEMIOLOGICAL STUDIES - WHO
{{id}} {{{paragraph}}}
2775. EPIDEMIOLOGICAL STUDIESThis chapter reviews observational and experimental epidemio-logical STUDIES that have been conducted to determine associationsbetween disinfected drinking-water and adverse health outcomes. Dis-infection practices vary throughout the world. Applied and residualconcentrations have varied over the years and from country study designs, sources of systematic and randomerror (bias), and guidelines for assessing the causality of associationsare discussed in section EPIDEMIOLOGICAL STUDIES of exposures todisinfected drinking-water and to specific DBPs are evaluated in sec-tions and , EPIDEMIOLOGICAL STUDIES have been conducted todetermine possible associations between adverse health-related out-comes and drinking-water disinfected with chlorine and drinking-water was studied most often, and studiesprimarily compared health risks associated with chlorinated drinking-water from surface water sources with those associated with unchlori-nated drinking-water from groundwat
EHC 216: Disinfectants and Disinfectant By-products 282 information was known about the study participants’ residential history and their possible exposure to …
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document:
{{id}} {{{paragraph}}}
Quantitative Research Designs: Experimental,, Quantitative Research Designs: Experimental, Quasi-Experimental, Study Designs, Designs, Study Designs for Evaluating the, Study Designs for Evaluating the Effectiveness, Study Design, Study, Outcomes, Reporting the Results of Your Study, Cost-Effectiveness of Influenza Vaccines