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BDSP5 Thésaurus > Etudes méthodes et statistiques [NI] > Méthodologie > Statistique > Sondage > Stratification
Stratification |
Documents disponibles dans cette catégorie (26)

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Arnaud Chiolero ; Gilles Paradis ; Department of Epidemiology Biostatistics And Occupational Health, McGill University (Montreal, Canada) ; Jay-S KAUFMAN |[BDSP. Notice produite par INIST-CNRS JDR0xDHn. Diffusion soumise à autorisation]. To estimate the possible direct effect of birth weight on blood pressure, it is conventional to condition on the mediator, current weight. Such conditioning can i[...]![]()
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. JINGHUA LIU ; Department of Preventive Medicine, University of Southern California (Los Angeles CA, Etats-Unis) ; Juan PABLO LEWINGER ; Frank-D GILLILAND ; Wjames GAUDERMAN ; David-V CONTI |[BDSP. Notice produite par INIST-CNRS 9IR0xFpl. Diffusion soumise à autorisation]. Association studies among admixed populations pose many challenges including confounding of genetic effects due to population substructure and heterogeneity due t[...]![]()
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[BDSP. Notice produite par INIST-CNRS 8tn9R0xn. Diffusion soumise à autorisation]. Assays for detecting levels of antiretroviral drugs in study participants are increasingly popular in preexposure prophylaxis (PrEP) trials, since they provide an[...]![]()
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Justin WARING ; Simon BISHOP ; Nottingham University Business School. University of Nottingham. GBR |[BDSP. Notice produite par INIST-CNRS R0xs8llC. Diffusion soumise à autorisation]. This paper investigates transitions in the social organisation of medicine found in the extended opportunities for private corporations to own, manage and deliver[...]![]()
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John COLOGNE ; Tomonori HAYASHI ; Kazue IMAI ; Munechika MISUMI ; NAKACHI (Kei) : JPN. Consultant. Radiation Effects Research Foundation. Hiroshima. ; PRESTON (Dale-L) : USA. Hirosoft International Corporation. Seattle. WA. ; Kengo YOSHIDA ; Department of Radiobiology. Molecular Epidemiology. Radiation Effects Research Foundation. Hiroshima. JPN ; Department of Statistics. Radiation Effects Research Foundation. Hiroshima. JPN |[BDSP. Notice produite par INIST-CNRS R0xt9l9o. Diffusion soumise à autorisation]. Background The case-cohort study design has received significant methodological attention in the statistical and epidemiological literature but has not been used [...]![]()
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. YANG ZHAO ; David-C CHRISTIANI ; . FENGCHEN ; . LI SU ; . RIHONG ZHAI ; XIHONG LIN (.) : USA. Department of Biostatistics. Harvard School of Public Health. Harvard University. Boston. MA. ; . ZHAOXI WANG ; Department of Epidemiology and Biostatistics. School of Public Health. Nanjing Medical University. Nanjing Jiangsu. CHN ; Environmental and Occupational Medicine and Epidemiology Program. Department of Environmental Health. Harvard School of Public Health. Harvard University. Boston. MA. USA |[BDSP. Notice produite par INIST-CNRS ArR0xCtF. Diffusion soumise à autorisation]. Background Population structure (PS), including population stratification and admixture, is a significant confounder in genome-wide association studies (GWAS), as[...]![]()
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ROSENFIELD (Sarah) : USA. Department of Sociology. Institute for Health. Health Care Policy and Aging Research. Rutgers University. New Brunswick. NJ. ; Lisa-M Bates ; HANKISKY (Olena) / éd. : CAN. Simon Fraser University. ; Kristen-W Springer |[BDSP. Notice produite par INIST-CNRS CGADR0x9. Diffusion soumise à autorisation]. Structural theories of stratification predict that groups with low positions in social hierarchies experience high rates of mental health problems. Extensions of [...]![]()
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Mollya Martin ; BURNETT (Kristin) : USA. Us Census Bureau. ; Michellel FRISCO ; Claudia NAU ; Department of Sociology and the Population Research Institute. Pennsylvania State University. PA. USA |[BDSP. Notice produite par INIST-CNRS G7t9oR0x. Diffusion soumise à autorisation]. The current study examines how poverty and education in both the family and school contexts influence adolescent weight. Prior research has produced an incomplete[...]![]()
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ALLEN (Andrew-S) : USA. Department of Biostatistics and Bio-informatics. School of Medicine. Duke University. Durham. NC. ; SATTEN (Glen-A) : USA. Division of Reproductive Health. National Center for Chronic Disease Prevention and Health Promotion. Centers for Disease Control and Prevention. Atlanta. GA. |[BDSP. Notice produite par INIST-CNRS 8oF98R0x. Diffusion soumise à autorisation]. The stratification score for a case-control study is the probability of disease modeled as a function of potential confounders. The authors show that the stratifi[...]![]()
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WILCOX (Allen-J) : USA. Epidemiology Branch. National Institute of Environmental Health Sciences. Durham. NC. ; Olga Basso ; WEINBERG (Clarice-R) : USA. Biostatistics Branch. National Institute of Environmental Health Sciences. Durham. NC. |[BDSP. Notice produite par INIST-CNRS 97R0xEFs. Diffusion soumise à autorisation]. Preterm delivery is a powerful predictor of newborn morbidity and mortality. Such problems are due to not only immaturity but also the pathologic factors (such as[...]![]()
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CHIBA (Yasutaka) : JPN. Department of Environmental Medicine and Behavioral Science. Kinki University School of Medicine. Osaka. ; VANDERWEELE (Tyler-J) : USA. Department of Epidemiology. Harvard School of Public Health. Boston. MA. |[BDSP. Notice produite par INIST-CNRS smIAR0xn. Diffusion soumise à autorisation]. In randomized trials with follow-up, outcomes such as quality of life may be undefined for individuals who die before the follow-up is complete. In such settings,[...]![]()
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TZOULAKI (Ioanna) : GBR. Department of Epidemiology and Biostatistics. Imperial College of Medicine. London. ; IOANNIDIS (John-Pa) : GRC. Biomedical Research Institute. Foundation for Research and Technology-Hellas. Ioannina. ; George LIBEROPOULOS ; Clinical and Molecular Epidemiology Unit. Department of Hygiene and Epidemiology. University of Ioannina School of Medicine. Ioannina. GRC |[BDSP. Notice produite par INIST-CNRS DR0xomF8. Diffusion soumise à autorisation]. Background An increasing number of studies evaluate the ability of predictors to change risk stratification and alter medical decisions, i.e. reclassification per[...]![]()
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FORD (Chandra-L) : USA. Department of Community Health Sciences. School of Public Health. Los Angeles. CA. ; HARAWA (Nina-T) : USA. Department of Research. Charles Drew University. Los Angeles. CA. |[BDSP. Notice produite par INIST-CNRS H8JR0xrF. Diffusion soumise à autorisation]. Although social stratification persists in the US, differentially influencing the well-being of ethnically defined groups, ethnicity concepts and their implicatio[...]![]()
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Tina SHAH ; Juan-P Casas ; Jackie-A COOPER ; John-E DEANFIELD ; Fgerald-R FOWKES ; Aroon-D HINGORANI ; Steve-E HUMPHRIES ; Gordon-D LOWE ; Valerie MCCORMACK ; Ann RUMLEY ; Liam SMEETH ; Reecha SOFAT ; Ioanna TZOULAKI ; Centre for Clinical Pharmacology. University College London. London. GBR |[BDSP. Notice produite par INIST-CNRS 9R0x78H8. Diffusion soumise à autorisation]. Background : Non-uniform reporting of relevant relationships and metrics hampers critical appraisal of the clinical utility of C-reactive protein (CRP) measuremen[...]![]()
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Liang-Yi WANG ; Wen-Chung LEE ; Research Center for Genes Environment and Human Health and the Graduate Institute of Epidemiology. College of Public Health. National Taiwan University. Taipei. TWN |[BDSP. Notice produite par INIST-CNRS HmR0xoso. Diffusion soumise à autorisation]. The case-only study is a convenient approach and provides increased statistical efficiency in detecting gene-environment interactions. The validity of a case-only[...]