Results 21 to 30 of about 49,991,940 (357)

Trends in the ability of socioeconomic position to predict individual body mass index: an analysis of repeated cross-sectional data, 1991–2019

BMC Medicine, 2023
Background The widening of group-level socioeconomic differences in body mass index (BMI) has received considerable research attention. However, the predictive power of socioeconomic position (SEP) indicators at the individual level remains uncertain, as
Liam Wright, Charis Bridger Staatz, Richard J. Silverwood, David Bann   +3 more
doaj   +1 more source

The relationship between screen time and mental health in young people: A systematic review of longitudinal studies.

Clinical Psychology Review, 2021
An increase in time spent on screen-based technologies has been suggested to underlie recent increases in mental health problems among young people. However, this hypothesis has primarily been based on the findings of cross-sectional studies.
Samantha Tang, A. Werner-Seidler, M. Torok, A. Mackinnon, H. Christensen   +4 more
semanticscholar   +1 more source

Nurse staffing levels and patient outcomes: a systematic review of longitudinal studies

medRxiv, 2021
Background: The contribution of registered nurses (RN) towards safe patient care has been demonstrated by several studies. However, most of the evidence is cross-sectional, hence the inability to demonstrate that staffing levels precede patient outcomes.
C. Dall'ora, C. Saville, B. Rubbo, Lesley Turner, Jeremy Jones, P. Griffiths   +5 more
semanticscholar   +1 more source

Investigating change across time in prevalence or association: the challenges of cross-study comparative research and possible solutions

Discover Social Science and Health, 2022
Cross-study research initiatives to understand change across time are an increasingly prominent component of social and health sciences, yet they present considerable practical, analytical and conceptual challenges.
David Bann, Liam Wright, Alice Goisis, Rebecca Hardy, William Johnson, Jane Maddock, Eoin McElroy, Vanessa Moulton, Praveetha Patalay, Shaun Scholes, Richard J. Silverwood, George B. Ploubidis, Dara O’Neill   +12 more
doaj   +1 more source

Effects of a Time-Limited Push-to-Web Incentive in a Mixed-Mode Longitudinal Study of Young Adults

Survey Research Methods, 2023
This paper describes the impact of a time-limited push-to-web incentive on response rate and sample composition in a mixed-mode longitudinal study of young adults in the UK.
Darina Peycheva, Lisa Calderwood, Erica Wong, Richard Silverwood   +3 more
doaj   +1 more source

Inequalities in body mass index, diet and physical activity in the UK: Longitudinal evidence across childhood and adolescence

SSM: Population Health, 2021
We use longitudinal data across a key developmental period, spanning much of childhood and adolescence (age 5 to 17, years 2006–2018) from the UK Millennium Cohort Study, a nationally representative study with an initial sample of just over 19,000.
Nicolás Libuy, David Bann, Emla Fitzsimons   +2 more
doaj   +1 more source

Cognitive Reserve in Model Systems for Mechanistic Discovery: The Importance of Longitudinal Studies

Frontiers in Aging Neuroscience, 2021
The goal of this review article is to provide a resource for longitudinal studies, using animal models, directed at understanding and modifying the relationship between cognition and brain structure and function throughout life.
J. Mcquail, Amy R. Dunn, Y. Stern, C. Barnes, G. Kempermann, P. Rapp, C. Kaczorowski, T. Foster   +7 more
semanticscholar   +1 more source

Longitudinal Study [PDF]

, 2020
The aim of the longitudinal study is to find out over a period of one year and four different points of measurement how idle time at the workplace (having nothing to do) affects employees. In the questionnaire of 25 minutes it is investigated how work restrictions influence the experienced idle time and thus work-related results such as occupational ...
Zeschke, Martin, Zacher, Hannes
  +4 more sources

Metabolites Associated with Memory and Gait: A Systematic Review

Metabolites, 2022
We recently found that dual decline in memory and gait speed was consistently associated with an increased risk of dementia compared to decline in memory or gait only or no decline across six aging cohorts. The mechanisms underlying this relationship are
Qu Tian, Brendan A. Mitchell, Abigail E. Corkum, Ruin Moaddel, Luigi Ferrucci   +4 more
doaj   +1 more source

An integrated and collaborative approach to developing and scripting questionnaires for longitudinal cohort studies and surveys: experience in Life Study [PDF]

, 2017
Efficient development of questionnaires for longitudinal surveys and cohort studies as computer-assisted survey instruments usually entails close collaboration between scientific and fieldwork teams. We describe a system based on the use of a Structured
Elias, P, Dezateux, Carol, Gilby, Nicholas, Walton, Suzanne, Peskett, Duncan, Nicholas Gilby, Alexandrakis, Stelios, Peter Elias, Carol Dezateux, Firman, N, Duncan Peskett, Dezateux, C, Gilby, N, Elias, Peter, Stelios Alexandrakis, Nicola Firman, Gareth Williams, Alexandrakis, S, Williams, Gareth, Walton, S, Suzanne Walton, Williams, G, Peskett, D, Firman, Nicola   +23 more
core   +1 more source