Results 21 to 30 of about 2,946,603 (185)

Ankle‐Brachial Index and Energy Production in People Without Peripheral Artery Disease: The BLSA

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2022
Background Lower ankle‐brachial index (ABI) values within the 0.90 to 1.40 range are associated with poorer mitochondrial oxidative capacity of thigh muscles in cross‐sectional analyses.
Matt T. Oberdier, Majd AlGhatrif, Fatemeh Adelnia, Marta Zampino, Christopher H. Morrell, Eleanor Simonsick, Kenneth Fishbein, Edward G. Lakatta, Mary M. McDermott, Luigi Ferrucci   +9 more
doaj   +1 more source

Understanding Society: design overview [PDF]

, 2011
Understanding Society, the UK Household Longitudinal Study, builds on the success of the British Household Panel Survey (BHPS). This paper describes some of the key elements of the design and conduct of the study and suggests how Understanding Society is
Buck, N, McFall, SL
core   +2 more sources

Sex Differences in Longitudinal Determinants of Carotid Intima Medial Thickening With Aging in a Community‐Dwelling Population: The Baltimore Longitudinal Study on Aging

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2020
Background Common carotid intima medial thickness (IMT) increases with aging. However, the longitudinal association between IMT and other age‐associated hemodynamic alterations in men and in women are not fully explored.
Ajoy C. Karikkineth, Majd AlGhatrif, Matt T. Oberdier, Chris Morrell, Elango Palchamy, James B. Strait, Luigi Ferrucci, Edward G. Lakatta   +7 more
doaj   +1 more source

Risk factors relate to the variability of health outcomes as well as the mean: A GAMLSS tutorial

eLife, 2022
Background: Risk factors or interventions may affect the variability as well as the mean of health outcomes. Understanding this can aid aetiological understanding and public health translation, in that interventions which shift the outcome mean and ...
David Bann, Liam Wright, Tim J Cole
doaj   +1 more source

Nonparametric Bayes modeling of count processes [PDF]

, 2013
Data on count processes arise in a variety of applications, including longitudinal, spatial and imaging studies measuring count responses. The literature on statistical models for dependent count data is dominated by models built from hierarchical ...
Canale, Antonio, Dunson, David B.
core   +2 more sources

Weakening of the cognition and height association from 1957 to 2018: Findings from four British birth cohort studies

eLife, 2023
Background: Taller individuals have been repeatedly found to have higher scores on cognitive assessments. Recent studies have suggested that this association can be explained by genetic factors, yet this does not preclude the influence of environmental ...
David Bann, Liam Wright, Neil M Davies, Vanessa Moulton   +3 more
doaj   +1 more source

Changes in knee extension peak torque and body composition and their relationship with change in gait speed

Journal of Cachexia, Sarcopenia and Muscle, 2019
Background Slow gait speed is a powerful predictor of disability in activities of daily living and mortality. Muscle strength and body composition change over time, but their changes differ by sex.
Yusuke Osawa, Nancy Chiles Shaffer, Michelle D. Shardell, Stephanie A. Studenski, Luigi Ferrucci   +4 more
doaj   +1 more source

Inequality in hospitalization due to non-communicable diseases in Sweden: Age-cohort analysis of the Uppsala Birth Cohort Multigenerational Study

SSM: Population Health, 2021
We aimed to investigate cohort differences in age trajectories of hospitalization due to non-communicable conditions, and if these varied by paternal socioeconomic position.
Dawid Gondek, George B. Ploubidis, Muhammad Zakir Hossin, Menghan Gao, David Bann, Ilona Koupil   +5 more
doaj   +1 more source

An approach for jointly modeling multivariate longitudinal measurements and discrete time-to-event data

, 2010
In many medical studies, patients are followed longitudinally and interest is on assessing the relationship between longitudinal measurements and time to an event.
Albert, Paul S., Shih, Joanna H.
core   +1 more source

Estimating correlation between multivariate longitudinal data in the presence of heterogeneity [PDF]

, 2017
Background Estimating correlation coefficients among outcomes is one of the most important analytical tasks in epidemiological and clinical research. Availability of multivariate longitudinal data presents a unique opportunity to assess joint evolution ...
Beiser, Julia A, Chen, Ling, Gao, Feng, Gordon, Mae O, Luo, Jingqin, Miller, J. Philip, Xiong, Chengjie   +6 more
core   +3 more sources