Population-based Cohort Studies
نویسندگان
چکیده
منابع مشابه
PennTwins: a population-based cohort for twin studies.
The current article describes the creation and composition of the PennTwins Cohort and provides details on the demographic characteristics of the sample. The PennTwins Cohort was developed using a population-based method of ascertainment and currently has 9401 28- to 47-year-old twins, including 2225 confirmed twin pairs and 4951 twins whose co-twins have not yet registered. Zygosity data have ...
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Many previous studies have found associations between poor cognitive function and schizophrenia. However, the majority of these studies used retrospective data, leading to the possibility of selection and recall biases. Retrospective studies are also unable to distinguish whether cognitive deficits exist prior to the onset of schizophrenia, suggesting that they are important in etiology, or fol...
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The Japanese Population-based Osteoporosis (JPOS) Cohort Study was launched in 1996 to produce a reference database of areal bone mineral density (aBMD) by dual energy X-ray absorptiometry (DXA) and bone turnover markers in the Japanese female population and to determine risk factors for osteoporotic fractures. At baseline, 3984 women aged 15 to 79 years were randomly selected to provide repres...
متن کاملPopulation-based cohort study of injuries.
A population-based cohort study was done to estimate the incidence of different types of injuries and to evaluate certain risk factors in an urban slum; 4333 slum dwellers in Madras city in India were randomly selected by cluster sampling, of whom 1.7 per cent were lost during the 12 months of follow up. The cumulative injury incidence for 12 months for all injuries was 127 per 1000 persons (95...
متن کاملBidirectional Association between Asthma and Irritable Bowel Syndrome: Two Population-Based Retrospective Cohort Studies
BACKGROUND There is a demonstrated association between asthma and irritable bowel syndrome (IBS). In this study, we examined the bidirectional association between asthma and IBS using a nationwide database. METHODS We conducted two retrospective cohort studies using data obtained from the National Health Insurance of Taiwan. Study 1 included 29,648 asthma patients newly diagnosed between 2000...
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ژورنال
عنوان ژورنال: Epidemiologic Reviews
سال: 1998
ISSN: 0193-936X,1478-6729
DOI: 10.1093/oxfordjournals.epirev.a017974