Results 11 to 20 of about 44,936,151 (395)
Longitudinal validity of spirometers - a challenge in longitudinal studies [PDF]
Swiss Medical Weekly, 2005 Pulmonary function testing (PFT) in longitudinal studies involves the repeated use of spirometers over long time periods. We assess the comparability of PFT results taken under biologic field conditions using thirteen certified devices of various technology and age. Comparability of measurements across devices and over time is relevant both in clinical
Otto Brändli +9 more
openaire +7 more sources
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 +3 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 +3 more
doaj +1 more source
Eating Behaviour Changes during the COVID-19 Pandemic: A Systematic Review of Longitudinal Studies
International Journal of Environmental Research and Public Health, 2021 Eating behaviour is a complex construct that is liable to be modified by external factors. Due to the outbreak of coronavirus disease 2019 (COVID-19), many restrictive measures were carried out with the aim of reducing the impact of this disease.
Cristina González-Monroy +3 more
semanticscholar +1 more source
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 +2 more
doaj +1 more source
Longitudinal Pulmonary Study [PDF]
British Journal of Sports Medicine, 1972 D. Brodie +3 more
openalex +3 more sources
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 +5 more
semanticscholar +1 more source
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 +12 more
doaj +1 more source
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 +4 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 +7 more
semanticscholar +1 more source