Results 51 to 60 of about 1,520,474 (347)

Cluster Randomized Trials

, 2019
Author(s): Crespi-Chun, Catherine; Crespi, Catherine | Editor(s): Halabi, Susan; Michiels, Stefan | Abstract: This chapter discusses randomization, analysis, sample size and power for cluster randomized trials. Both continuous and binary outcomes are covered. R code to implement the methods is provided.
Crespi-Chun, Catherine, Crespi, Catherine   +1 more
openaire   +3 more sources

The Effectiveness of Alcohol Screening and Brief Intervention in Emergency Departments: A Multicentre Pragmatic Cluster Randomized Controlled Trial [PDF]

, 2014
BACKGROUND: Alcohol misuse is common in people attending emergency departments (EDs) and there is some evidence of efficacy of alcohol screening and brief interventions (SBI).
A Moyer, A Trinks, Adenekan Oyefeso, AW Dent, Bernard Le Foll, C Drummond, CA Field, Christine Godfrey, CJ Cherpitel, Colin Drummond, D Newbury-Birch, DC Drummond, Dorothy Newbury-Birch, E Kaner, EFS Kaner, Eileen Kaner, Eilish Gilvarry, FC Blow, G D'Onofrio, G D'Onofrio, G D'Onofrio, J Peters, J Rehm, J Wittes, J-B Daeppen, JA Bernstein, Jonathan Shepherd, Judy Myles, Katherine Perryman, MA Walton, Martin Bland, Mike Crawford, MJ Crawford, MT French, Nick Heather, Paolo Deluca, Paul Cassidy, R Patton, RM Cunningham, RM Cunningham, Robert Patton, Robin Touquet, Ruth McGovern, S Bazargan-Hejazi, S Coulton, S Waller, S Williams, Simon Coulton, Steve Parrott, Tom Phillips, Veronica Dale   +50 more
core   +15 more sources

Alcohol Screening and Brief Interventions for Offenders in the Probation Setting (SIPS Trial): a Pragmatic Multicentre Cluster Randomized Controlled Trial [PDF]

, 2014
Aim - To evaluate the effectiveness of different brief intervention strategies at reducing hazardous or harmful drinking in the probation setting. Offender managers were randomized to three interventions, each of which built on the previous one: feedback
Bland, Martin, Cassidy, Paul, Coulton, Simon, Dale, Veronica, Deluca, Paolo, Drummond, Colin, Gilvarry, Eilish, Godfrey, Christine, Heather, Nick, Kaner, Eileen, McGovern, Ruth, Myles, Judy, Newbury-Birch, Dorothy, Oyefeso, Adenekan, Parrott, Steve, Patton, Robert, Perryman, Katherine, Phillips, Tom, Shepherd, Jonathan   +18 more
core   +1 more source

Does education level affect the efficacy of a community based salt reduction program? - A post-hoc analysis of the China Rural Health Initiative Sodium Reduction Study (CRHI-SRS)

BMC Public Health, 2016
Background Whether educational level influences the effects of health education is not clearly defined. This study examined whether the impact of a community-based dietary salt reduction program was affected by the level of education of participants ...
Xin Wang, Xian Li, Ilonca Vaartjes, Bruce Neal, Michiel L. Bots, Arno W. Hoes, Yangfeng Wu   +6 more
doaj   +1 more source

Cluster identification, selection, and description in cluster randomized crossover trials: the PREP-IT trials

Trials, 2020
Background In cluster randomized crossover (CRXO) trials, groups of participants (i.e., clusters) are randomly allocated to receive a sequence of interventions over time (i.e., cluster periods).
Sheila Sprague, Taryn Scott, Shannon Dodds, David Pogorzelski, Paula McKay, Anthony D. Harris, Amber Wood, Lehana Thabane, Mohit Bhandari, Samir Mehta, Greg Gaski, Christina Boulton, Francesc Marcano-Fernández, Ernesto Guerra-Farfán, Joan Hebden, Lyndsay M. O’Hara, Gerard P. Slobogean, on behalf of the PREP-IT Investigators   +17 more
doaj   +1 more source

Embedded formative assessment and classroom process quality. How do they interact in promoting students\u27 science understanding [PDF]

, 2015
In this study we examine the interplay between curriculum-embedded formative assessment-a well-known teaching practice-and general features of classroom process quality (i.e., cognitive activation, supportive climate, classroom management) and their ...
Büttner, Gerhard, Decristan, Jasmin, Fauth, Benjamin, Hardy, Ilonca, Hertel, Silke, Hochweber, Jan, Hondrich, Anna Lena, Klieme, Eckhard, Kunter, Mareike, Rieser, Svenja   +9 more
core   +1 more source

Citywide cluster randomized trial to restore blighted vacant land and its effects on violence, crime, and fear

Proceedings of the National Academy of Sciences of the United States of America, 2018
Significance Blighted and vacant urban land is a widespread and potentially risky environmental condition encountered by millions of people every day. About 15% of the land in US cities is deemed vacant or abandoned, translating into an area roughly the ...
C. Branas, Eugenia C South, M. Kondo, Bernadette C Hohl, Philippe Bourgois, D. Wiebe, J. Macdonald   +6 more
semanticscholar   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Impact of early initiation versus national standard of care of antiretroviral therapy in Swaziland's public sector health system : study protocol for a stepped-wedge randomized trial [PDF]

, 2017
Background: There is robust clinical evidence to support offering early access to antiretroviral treatment (ART) to all HIV-positive individuals, irrespective of disease stage, to both improve patient health outcomes and reduce HIV incidence. However, as
Barnighausen, Till, Delva, Wim, Fleming, Yvette, Khumalo, Gavin, Lejeune, Charlotte L, Mazibuko, Sikhathele, Mlambo, Charmaine Khudzie, Okello, Velephi, Reis, Ria, Spiegelman, Donna, Walsh, Fiona J, Zwane, Mandisa   +11 more
core   +5 more sources

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source