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Consumption of fruit and vegetables and risk of frailty: a dose-response analysis of 3 prospective cohorts of community-dwelling older adults
fruits vegetables elderly frailty exhaustion slow walking speed
2018/12/3
Background: Consuming fruit and vegetables (FVs) may protect against frailty, but to our knowledge no study has yet assessed their prospective dose-response relation.
Using WinBUGS to Study Family Frailty in Child Mortality, with an Application to Child Survival in Ivory Coast
Child Mortality Ivory Coast
2015/7/21
This article analyzes the effects of unobserved family heterogeneity in children survival times through a Bayesian approach. We rely on survey data from Ivory Coast and use a proportional hazard model...
A matrix approach to the statistics of longevity in heterogeneous frailty models
frailty heterogeneity individual stochasticity longevity Markov chains mortality
2014/11/27
Background: The gamma-Gompertz model is a fixed frailty model in which baseline mortality increases exponentially with age, frailty has a proportional effect on mortality, and frailty at birth follows...
A matrix approach to the statistics of longevity in heterogeneous frailty models
statistics of longevity heterogeneous frailty models
2014/11/27
To develop a matrix model to compute all the statistical properties of longevity from the
gamma-Gompertz and related models.
Multistate event history analysis with frailty
event history analysis frailty multistate models unobserved heterogeneity
2014/11/26
Background: In survival analysis a large literature using frailty models, or models with unobserved heterogeneity, exists. In the growing literature and modelling on multistate models, this issue is o...
Inference for Shared-Frailty Survival Models with Left-Truncated Data
stata duration analysis left-truncation likelihood function dynamic selection hazard rate unobserved heterogeneity twin data
2012/10/23
Shared-frailty survival models specify that systematic unobserved determinants of duration outcomes are identical within groups of individuals. We consider random-effects likelihood-based statistical ...
Simulation Study for Misspecifications on a Frailty Model
Simulation Study Misspecifications a Frailty Model
2009/9/18
Simulation Study for Misspecifications on a Frailty Model。
Bayesian Modelling for Multivariate Lifetime Data with a Homogeneous Poisson Process with a Frailty Term
Bayesian Modelling Multivariate Lifetime Data a Homogeneous Poisson Process a Frailty Term
2009/9/17
Bayesian Modelling for Multivariate Lifetime Data with a Homogeneous Poisson Process with a Frailty Term。
Frailty Modelling for Adult and Old Age Mortality：The Application of a Modified DeMoivre Hazard Function to Sex Differentials in Mortality
mortality frailty models hazard functions male-female differences Bulgaria
2008/11/28
Unobserved differences in individual’s susceptibility to death are an important aspect in the analysis of contemporary mortality patterns. However, observed mortality rates at adult ages, which are us...
Using WinBUGS to Study Family Frailty in Child Mortality, with an Application to Child Survival in Ivory Coast
Ivory Coast Child Survival Application Child Mortality Family Frailty WinBUGS
2008/4/12
This article analyzes the effects of unobserved family heterogeneity in children survival times through a Bayesian approach. We rely on survey data from Ivory Coast and use a proportional hazard model...
Case-Control Survival Analysis with a General Semiparametric Shared Frailty Model——a Pseudo Full Likelihood Approach
Case-control study Correlated failure times Family study Frailty model Multivariatesurvival model
2010/4/27
In this work we deal with correlated failure time (age at onset) data arising from populationbased case-control studies, where case and control probands are selected by populationbased sampling and an...
Frailty amplifies the effects of aging on protein metabolism: role of protein intake
Aging frailty protein metabolism
2017/1/4
Compared with healthy women, frail women had higher rates of whole-body protein synthesis and breakdown per kg fat-free mass and lower rates of muscle protein breakdown when expressed as total amounts...