epidemiologic study

epidemiologic study

A study that compares 2 groups of people who are alike except for one factor, such as exposure to a chemical or the presence of a health effect; the investigators try to determine if any factor is associated with the health effect
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References in periodicals archive ?
In this context, the epidemiologic study by Suzanne N.
Results reassuring
It describes basic concepts in epidemiology and statistics, including causality, sample size, power, probability sampling, measures of frequency and association, and disease surveillance and screening; epidemiologic study designs (descriptive, analytic, and experimental); statistical techniques and epidemiologic applications, such as statistical models, general linear models, and categorical data and analysis; and special topics like nonparametric methods, life tables, and survival analysis.
Statistical Methods in Epidemiologic Research (online access included)
Wendy Marsh of the University of Massachusetts, Worcester, and her colleagues reviewed data from 1,282 women participating in the Study of Women's Health Across the Nation (SWAN), a multisite, long-term epidemiologic study ofwomen during midlife and through the menopausal transition.
Estradiol may reduce perimenopausal depression
Based on data in the Veterinary Medical Database (VMDB), 1,129 feline intestinal tumor patients between 1964 and 2004 were evaluated for inclusion in an epidemiologic study. Cases were analyzed by breed, age, year of diagnosis, tumor type and tumor location.
Study on feline intestinal cancer
Another epidemiologic study, reported in the March 2005 issue of Neuro Toxicology, showed that women who were exposed to organophosphate pesticides in an agricultural community in California had children who displayed adverse neurodevelopmental effects, and that higher levels of pesticide metabolites in maternal urine were associated with abnormal reflexes in the women's newborn children.
New thinking on neurodevelopment
"The largest epidemiologic study ever conducted in North America of a childhood nervous system cancer known as neuroblastoma suggests women who take multivitamins during pregnancy can cut their children's risk of the tumor by 30-40%.
Grapevine. (Industry News)
DENVER -- Migrainous headache--the diagnosis that describes patients who meet most but not all of the International Headache Society's strict diagnostic criteria for migraine--may afflict 3% of the population, based on the results of an epidemiologic study.
Migrainous headache affects many more people than once thought. (May Afflict 3% of Population)
Another type of epidemiologic study involves examination of STD rates in populations rather than individuals.
Male latex condoms and sexually transmitted diseases
An epidemiologic study submitted to OSHA by the synthetic rubber industry in late 1995 demonstrated an excess risk of cancer among workers exposed to 1,3-butadiene.
OSHA cuts butadiene permissable exposure limit to 1 ppm upon joint recommendations
But this epidemiologic study could not tease out the agent responsible -- chlorine, by-products of the disinfectant's reaction with water contaminants, or both (SN: 7/11/92, p.23).
Chlorination products linked to cancer
In the other epidemiologic study, current use of pramipexole was associated with an increased risk of heart failure, compared with levodopa.
Pramipexole's possible heart risks prompt FDA review
Epidemiologic study of Parkinson's disease in Hong Kong.
Pesticides and Parkinson's disease--is there a link?

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