Results 11 to 20 of about 353,176 (298)
Epidemiologic evidence for the association of cholesterol and breast cancer is inconsistent. Several factors may contribute to this inconsistency, including limited sample sizes, confounding effects of antihyperlipidemic treatment, age, and body mass ...
Jianglin Feng +2 more
doaj +1 more source
Background Among different investigators studying the same exposures and outcomes, there may be a lack of consensus about potential confounders that should be considered as matching, adjustment, or stratification variables in observational studies ...
J. Wallach +6 more
semanticscholar +1 more source
How authors select covariates in the multivariate analysis of cancer studies in 10 oncology journals in Korea: a descriptive study [PDF]
Purpose Cancer is the leading cause of death in Korea, leading many investigators to focus on cancer research. We present the current practice of variable selection methods for multivariate analyses in cancer studies recently published in major oncology ...
Mi Ah Han +6 more
doaj +1 more source
Physical activity, cardiorespiratory fitness and risk of cutaneous malignant melanoma: Systematic review and meta-analysis. [PDF]
BACKGROUND:Numerous epidemiologic studies have examined the relation of physical activity or cardiorespiratory fitness to risk of cutaneous melanoma but the available evidence has not yet been quantified in a systematic review and meta-analysis.
Gundula Behrens +4 more
doaj +1 more source
BackgroundThe association between grip strength and depression in elderly individuals in low- and middle-income countries (LMICs) has rarely been studied.
Jinbao Wang +9 more
doaj +1 more source
The role of confounding factors in a radon epidemiological study
Objective: A simulation of a large-scale epidemiological case-control study to identify the relationship between exposure to radon and lung cancer in the presence of factors that distort the results of the assessment of exposure to radon in homes.
A. D. Onishchenko, M. V. Zhukovsky
openaire +3 more sources
Consumption of sugar sweetened beverages, artificially sweetened beverages, and fruit juice and incidence of type 2 diabetes: systematic review, meta-analysis, and estimation of population attributable fraction. [PDF]
OBJECTIVES: To examine the prospective associations between consumption of sugar sweetened beverages, artificially sweetened beverages, and fruit juice with type 2 diabetes before and after adjustment for adiposity, and to estimate the population ...
Bhupathiraju, Shilpa N +6 more
core +8 more sources
Objective On 20 July 2021, after the outbreak of COVID-19 at Nanjing Lukou International Airport, several universities started closed management and online teaching.
Wei Wang +7 more
doaj +1 more source
Canonical Causal Diagrams to Guide the Treatment of Missing Data in Epidemiologic Studies
With incomplete data, the “missing at random” (MAR) assumption is widely understood to enable unbiased estimation with appropriate methods. While the need to assess the plausibility of MAR and to perform sensitivity analyses considering “missing not at ...
M. Moreno-Betancur +5 more
semanticscholar +1 more source
Introduction: Prevalence of Parkinson’s Disease (PD) in the Philippines has been estimated to be
Raymond L. Rosales +7 more
doaj +1 more source

