Randomised and non-randomised studies to estimate the effect of community-level public health interventions: definitions and methodological considerations by Wolf-Peter Schmidt

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GERiatric Screening in the treatment of elderly patients with Ovarian Carcinoma (GERSOC): study protocol for a pragmatic, cluster randomised controlled trial by Neeltje J. van Soolingen, Carolina H. Smorenburg, Marije E. Hamaker, Wim G. Groen, Valesca P. Retèl, Christianne A. R. Lok, Lonneke V. van de Poll-Franse, Johannes W. Trum

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Power analysis for stratified cluster randomisation trials with cluster size being the stratifying factor by Jijia Wang, Song Zhang, Chul Ahn

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Effects of ‘SPRAT’ programme for dietary and lifestyle education to improve psychosomatic symptoms and dietary habits among adolescents: a cluster randomised controlled trial by Junko Watanabe, Mariko Watanabe, Kazue Yamaoka, Misa Adachi, Asuka Suzuki, Toshiro Tango, Visiting Professor

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The evaluation of enhanced feedback interventions to reduce unnecessary blood transfusions (AFFINITIE): protocol for two linked cluster randomised factorial controlled trials by Suzanne Hartley, Robbie Foy, Rebecca E. A. Walwyn, Robert Cicero, Amanda J. Farrin, Jill J. Francis, Fabiana Lorencatto, Natalie J. Gould, John Grant-Casey, Jeremy M. Grimshaw, Liz Glidewell, Susan Michie, Stephen Morris, Simon J. Stanworth, for the AFFINITIE programme

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Strategies for recruitment in general practice settings: the iSOLVE fall prevention pragmatic cluster randomised controlled trial by Amy C. W. Tan, Lindy Clemson, Lynette Mackenzie, Catherine Sherrington, Chris Roberts, Anne Tiedemann, Constance D. Pond, Fiona White, Judy M. Simpson

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Serological evaluation of the effectiveness of reactive focal mass drug administration and reactive vector control to reduce malaria transmission in Zambezi Region, Namibia: Result... by Lindsey Wu, Michelle S. Hsiang, Lisa M. Prach, Leah Schrubbe, Henry Ntuku, Mi-Suk Kang Dufour, Brooke Whittemore, Valerie Scott, Joy Yala, Kathryn W. Roberts, Catriona Patterson, Joseph Biggs, Tom Hall, Kevin K.A. Tetteh, Cara Smith Gueye, Bryan Greenhouse, Adam Bennett, Jennifer L. Smith, Stark Katokele, Petrina Uusiku, Davis Mumbengegwi, Roly Gosling, Chris Drakeley, Immo Kleinschmidt

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Stepped wedge cluster randomised trials: a review of the statistical methodology used and available by D. Barker, P. McElduff, C. D’Este, M. J. Campbell

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Update to: Assessing the efficacy of male Wolbachia-infected mosquito deployments to reduce dengue incidence in Singapore by Jue Tao Lim, Diyar Mailepessov, Chee-Seng Chong, Chia-Chen Chang, Borame Dickens, Yee Ling Lai, Lu Deng, Caleb Lee, Li Yun Tan, Grace Chain, Soon Hoe Ho, Muhammad Faizal Zulkifli, Jonathan Liew, Kathryn Vasquez, Vernon Lee, Judith Chui Ching Wong, Shuzhen Sim, Cheong Huat Tan, Lee Ching Ng

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Heterogeneity in pragmatic randomised trials: sources and management by Bruno Giraudeau, Agnès Caille, Sandra M. Eldridge, Charles Weijer, Merrick Zwarenstein, Monica Taljaard

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The Good Behaviour Game intervention to improve behavioural and other outcomes for children aged 7–8 years: a cluster RCT by Neil Humphrey, Alexandra Hennessey, Patricio Troncoso, Margarita Panayiotou, Louise Black, Kimberly Petersen, Lawrence Wo, Carla Mason, Emma Ashworth, Kirsty Frearson, Jan R Boehnke, Rhys D Pockett, Julia Lowin, David Foxcroft, Michael Wigelsworth, Ann Lendrum

Subjects: “…cluster-randomised trial…”
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Educational films for improving screening and self-management of gestational diabetes in India and Uganda (GUIDES): study protocol for a cluster-randomised controlled trial by Laura L. Oakley, Deepa R, Arthur Namara, Biswamitra Sahu, Iliatha Papachristou Nadal, Yamuna Ana, Helen Coombe, Eugene Oteng-Ntim, Janet Seeley, Moffat Nyirenda, Giridhar Babu, Sanjay Kinra

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What is the role of randomised trials in implementation science? by Robbie Foy, Noah M. Ivers, Jeremy M. Grimshaw, Paul M. Wilson

Subjects: “…Cluster randomised controlled trials…”
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Community perspectives on randomisation and fairness in a cluster randomised controlled trial in Zambia by Maureen Mupeta Kombe, Joseph Mumba Zulu, Charles Michelo, Ingvild F. Sandøy

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An empowerment programme to improve diet quality during pregnancy – the Power 4 a Healthy Pregnancy cluster randomised controlled trial by Renske M. van Lonkhuijzen, Jeanne H. M. de Vries, Elske Brouwer-Brolsma, Susanne Cremers, Janine P. M. Faessen, Edith J. M. Feskens, Annemarie Wagemakers

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Implementation of the patient version of the evidence-based (S3) guideline for psychosocial interventions for patients with severe mental illness (IMPPETUS): study protocol for a c... by Johanna Breilmann, Reinhold Kilian, Steffi G. Riedel-Heller, Uta Gühne, Alkomiet Hasan, Peter Falkai, Andreas Allgöwer, Rainer Muche, Thomas Becker, Klemens Ajayi, Peter Brieger, Karel Frasch, Stephan Heres, Markus Jäger, Andreas Küthmann, Albert Putzhammer, Max Schmauß, Bertram Schneeweiß, Michael Schwarz, Markus Kösters

Subjects: “…Guideline, Implementation, Patient version, Cluster randomised controlled trial…”
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The impact of varying cluster size in cross-sectional stepped-wedge cluster randomised trials by James Thomas Martin, Karla Hemming, Alan Girling

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Pneumococcal vaccine schedules (PVS) study: a cluster-randomised, non-inferiority trial of an alternative versus standard schedule for pneumococcal conjugate vaccination—statistica... by Grant A. Mackenzie, Arto A. Palmu, Jukka Jokinen, Isaac Osei, Stefan Flasche, Brian Greenwood, Kim Mulholland, Cattram Nguyen

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The global forum on bioethics in research meeting, “ethics of alternative clinical trial designs and methods in low- and middle-income country research”: emerging themes and output... by Adrienne Hunt, Carla Saenz, Katherine Littler

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Evaluation of implementation and effectiveness of digital adherence technology with differentiated care to support tuberculosis treatment adherence and improve treatment outcomes i... by Amare W. Tadesse, Zemedu Mohammed, Nicola Foster, Matthew Quaife, Christopher Finn McQuaid, Jens Levy, Kristian van Kalmthout, Job van Rest, Degu Jerene, Tofik Abdurhman, Hiwot Yazew, Demekech G. Umeta, Demelash Assefa, Gedion T. Weldemichael, Ahmed Bedru, Taye Letta, Katherine L. Fielding

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