Stage One: repeated measures cohort study
Correction for retest effects across repeated measures of cognitive functioning: a longitudinal cohort study of postoperative delirium
... surgical cohort impacted our results. However, a recent study of a community-based cohort of older adults (mean age 77, N = 4073) found that, similar to other studies [48], retest effects did not ...
14
Cost-analysis and effectiveness of one-stage laparoscopic versus two-stage endolaparoscopic management of cholecystocholedocholithiasis: a retrospective cohort study
... this study are the lack of randomization which may have caused some selection bias, and the small number of patients making the detection of small differences between the study groups ...The study ...
8
A review of the reporting and handling of missing data in cohort studies with repeated assessment of exposure measures
... post-baseline. Repeated ascertainment of ex- posure and outcome measures over time can lead to miss- ing data for reasons such as participants not being traceable, too sick to participate, withdrawing from ...
10
HE Plots for Repeated Measures Designs
... imaginary study in which 16 female and male subjects, who are divided into three treatments, are measured at a pretest, posttest, and a follow-up session; during each session, they are measured at five occasions ...
A repeated measures concordance correlation coefficient
... Health Study Body fat was estimated from skinfolds calipers and DEXA on a cohort of 90 adolescent girls whose initial visit occurred at age 12; Skinfolds calipers and DEXA measurements were taken for the ...
38
Can father inclusive practice reduce paternal postnatal anxiety? A repeated measures cohort study using the hospital anxiety and depression scale
... A limitation of this study included sampling from only public hospitals and the moderate attrition rate of 25%. Other studies have also identified moderate attrition rates with men and concluded that studies ...
8
A repeated measures study of phenol, paraben and Triclocarban urinary biomarkers and circulating maternal hormones during gestation in the Puerto Rico PROTECT cohort
... smaller study popula- tions or only examined a single time point in pregnancy, which do not capture the changing hormone levels and high variability of phenols and paraben exposure during ...to study the ...
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A probit- log- skew-normal mixture model for repeated measures data with excess zeros, with application to a cohort study of paediatric respiratory symptoms
... In this paper we present an extension of the cross-sec- tional two-part Bernoulli-log-skew-normal mixture model, suggested by Chai and Bailey [21], for longitudinal zero-inflated continuous data. We modeled the ...
12
Methods for planning repeated measures degradation tests
... Accelerated repeated measures degradation tests can be sometimes used to assess product or component reliability when one would expect few or even no failures during a ...accelerated repeated ...
107
Statistical primer: performing repeated-measures analysis
... data as opposed to highly controlled experimental study designs. Hence, there have been calls for some time to abandon less versatile methods [7]. The integration of these model 212 fitting methods into routine ...
14
Descriptive discriminant analysis for repeated measures data
... different repeated measures DA procedures has been ...multivariate repeated measures data. They found that for univariate repeated measures data, the average APER for a procedure ...
267
Repeated Measures Mixture Modeling with Applications to Neuroscience
... express one of three calcium-binding proteins: parvalbumin (PV), cal- retinin(CR), and calbindin ...neurons. One of the goals of this study is to see if the PV containing neurons have altered PV mRNA ...
140
Selecting a sample size for studies with repeated measures
... Many software packages and internet-based programs are available to perform sample size calculation for t-tests, a variety of ANOVA, and regression models. A small number of programs cover a limited range of re- peated ...
8
Study protocol: Care of Late-Stage Parkinsonism (CLaSP): a longitudinal cohort study
... least one of the following insufficiently treated symptoms/problems (based on clinical judg- ment): motor parkinsonism according to Unified Parkin- son’s Disease Rating Scale (UPDRS; including nocturnal motor ...
8
A one season prospective cohort study of volleyball injuries
... Department of Physical Education, Sri Krishnadevaraya University, Anantapuramu. A.P., India . ABSTRACT To estimate the overall incidence of acute and overuse volleyball injuries and to describe factors associated with ...
6
GSTM1 and APE1 genotypes affect arsenic-induced oxidative stress: a repeated measures study
... [2]. One hypothesized mechanism involves the induction of oxidative stress through the generation of reactive oxygen species (ROS) ...cross-sectional study of Chinese community residents exposed to drinking ...
9
Transportation noise exposure, noise annoyance and respiratory health in adults : a repeated-measures study
... 2.1. Study population We used data from the Swiss Cohort Study on Air Pollution and Lung and Heart Diseases in Adults (SAPALDIA) which recruited 9651 randomly-selected adults, from eight Swiss areas ...
10
Methods For Planning Accelerated Repeated Measures Degradation Tests
... Accelerated repeated measures degradation tests can sometimes be used to assess product or component reliability when one would expect few or even no failures during a ...accelerated repeated ...
25
Better power methods for the univariate approach to repeated measures
... that one may do just as well guessing at the power analysis ...pilot study design, which calls for the reevaluation of the power analysis once a portion of data has been ...only one-sided power ...
124
A cohort study on mental disorders, stage of cancer at diagnosis and subsequent survival
... 44 one possible reason for reasonably consistent raised cancer-related mortality in people with mental disorders but inconsistent evidence for raised cancer incidence is that the mortality is explained by delays ...
8