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Breakfast consumption has no effect on neuropsychological functioning in children: a repeated-measures clinical trial
breakfast consumption breakfast skipping cognition neuropsychological functioning children
2018/12/14
Background: Although many studies have investigated the relation between breakfast consumption and various domains of cognitive functioning within children, some of the reported findings are inconsist...
In their study, Marshall et al (1) found a significant relation
between serum LDL cholesterol and saturated fat intake when
random-effects models for longitudinal data were used. The
model paramete...
Dose response effects of a caffeine-containing energy drink on muscle performance: a repeated measures design
Caffeine Sports nutrition Force productio
2015/7/23
Energy drinks have become the most used caffeine-containing beverages in the sport setting. The
aim of this study was to determine the effects of two doses of a caffeine-containing energy drink on mu...
Mixed models for longitudinal left-censored repeated measures
Mixed model Repeated measures Left-censoring SAS proc NLMIXED HIV infection
2010/4/29
Longitudinal studies could be complicated by left-censored repeated measures. For example, in Human Immunodeficiency Virus infection, there is a detection limit of the assay used to quantify the plasm...
Parameter estimates in random intercept mixed effects model for repeated measures
Repeated measures Random effects Convergence system Strong convergence Strong convergence rate
2007/12/11
In this article the following random intercept mixed effects model will be considered: $\ y_{ij}=v_{i}+ x_{ij}^{\tau}\beta+\epsilon_{ij}, i=1,\ldots,m;j=1,2,\ldots, n_{i},$ where $\{v_{i}\}$ are i.i.d...