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BMC Medical Research Methodology

Ausgabe 1/2013

Inhalt (155 Artikel)

Open Access Research article

A multi-state model to estimate incidence of heroin use

Albert Sánchez-Niubò, Odd O Aalen, Antònia Domingo-Salvany, Ellen J Amundsen, Josep Fortiana, Kjetil Røysland

Open Access Research article

Effectiveness of Pilates exercise in treating people with chronic low back pain: a systematic review of systematic reviews

Cherie Wells, Gregory S Kolt, Paul Marshall, Bridget Hill, Andrea Bialocerkowski

Open Access Research article

Participant recruitment in sensitive surveys: a comparative trial of ‘opt in’ versus ‘opt out’ approaches

Katherine J Hunt, Natalie Shlomo, Julia Addington-Hall

Open Access Correspondence

Qualitative systematic reviews of treatment burden in stroke, heart failure and diabetes - Methodological challenges and solutions

Katie Gallacher, Bhautesh Jani, Deborah Morrison, Sara Macdonald, David Blane, Patricia Erwin, Carl R May, Victor M Montori, David T Eton, Fiona Smith, David G Batty, Frances S Mair

Open Access Research article

Shape information from glucose curves: Functional data analysis compared with traditional summary measures

Kathrine Frey Frøslie, Jo Røislien, Elisabeth Qvigstad, Kristin Godang, Jens Bollerslev, Nanna Voldner, Tore Henriksen, Marit B Veierød

Open Access Technical advance

Multivariate permutation test to compare survival curves for matched data

Stefania Galimberti, Maria Grazia Valsecchi

Open Access Research article

Selecting optimal screening items for delirium: an application of item response theory

Frances M Yang, Richard N Jones, Sharon K Inouye, Douglas Tommet, Paul K Crane, James L Rudolph, Long H Ngo, Edward R Marcantonio

Open Access Technical advance

On the proportional hazards model for occupational and environmental case-control analyses

Héloïse Gauvin, Aude Lacourt, Karen Leffondré

Open Access Research article

A Taiwanese food frequency questionnaire correlates with plasma docosahexaenoic acid but not with plasma eicosapentaenoic acid levels: questionnaires and plasma biomarkers

Kuo-Liong Chien, Meei-Shyuan Lee, Yi-Tsen Tsai, Pey-Rong Chen, Hung-Ju Lin, Hsiu-Ching Hsu, Yuan-The Lee, Ming-Fong Chen

Open Access Correspondence

Developing longitudinal qualitative designs: lessons learned and recommendations for health services research

Lynn Calman, Lisa Brunton, Alex Molassiotis

Open Access Research article

Assessment of reproducibility of cancer survival risk predictions across medical centers

Hung-Chia Chen, James J Chen

Open Access Study protocol

Protocol for a systematic review and individual patient data meta-analysis of prognostic factors of foot ulceration in people with diabetes: the international research collaboration for the prediction of diabetic foot ulcerations (PODUS)

Fay Crawford, Chantelle Anandan, Francesca M Chappell, Gordon D Murray, Jacqueline F Price, Aziz Sheikh, Colin R Simpson, Martin Maxwell, Gerard P Stansby, Matthew J Young, Caroline A Abbott, Andrew JM Boulton, Edward J Boyko, Thomas Kastenbauer, Graham P Leese, Matteo Monami, Matilde Monteiro-Soares, Stephen J Rith-Najarian, Aristidis Veves, Nikki Coates, William J Jeffcoate, Nicola Leech, Tom Fahey, Jayne Tierney

Open Access Research article

Bayesian methods to determine performance differences and to quantify variability among centers in multi-center trials: the IHAST trial

Emine O Bayman, Kathryn M Chaloner, Bradley J Hindman, Michael M Todd

Open Access Research article

A new approach to analyse longitudinal epidemiological data with an excess of zeros

Alette S Spriensma, Tibor RS Hajos, Michiel R de Boer, Martijn W Heymans, Jos WR Twisk

Open Access Research article

Reducing and meta-analysing estimates from distributed lag non-linear models

Antonio Gasparrini, Ben Armstrong

Open Access Research article

Ascertaining invasive breast cancer cases; the validity of administrative and self-reported data sources in Australia

Anna Kemp, David B Preen, Christobel Saunders, C D’Arcy J Holman, Max Bulsara, Kris Rogers, Elizabeth E Roughead

Open Access Research article

A statistical model to assess the risk of communicable diseases associated with multiple exposures in healthcare settings

Cécile Payet, Nicolas Voirin, Philippe Vanhems, René Ecochard

Open Access Research article

Agreement between self-reported and measured weight and height collected in general practice patients: a prospective study

Sze Lin Yoong, Mariko Leanne Carey, Catherine D’Este, Robert William Sanson-Fisher

Open Access Research article

Dealing with missing data in the Center for Epidemiologic Studies Depression self-report scale: a study based on the French E3N cohort

Noémie Resseguier, Hélène Verdoux, Roch Giorgi, Françoise Clavel-Chapelon, Xavier Paoletti

Open Access Research article

Misclassification of incident conditions using claims data: impact of varying the period used to exclude pre-existing disease

Robert I Griffiths, Cynthia D O’Malley, Robert J Herbert, Mark D Danese

Open Access Research article

Impact of misspecifying the distribution of a prognostic factor on power and sample size for testing treatment interactions in clinical trials

William M Reichmann, Michael P LaValley, David R Gagnon, Elena Losina

Open Access Research article

Trauma registry record linkage: methodological approach to benefit from complementary data using the example of the German Pelvic Injury Register and the TraumaRegister DGU®

Markus Burkhardt, Ulrike Nienaber, Joerg H Holstein, Ulf Culemann, Bertil Bouillon, Emin Aghayev, Thomas Paffrath, Marc Maegele, Tim Pohlemann, Rolf Lefering

Open Access Research article

Representativeness of an HIV cohort of the sites from which it is recruiting: results from the Ontario HIV Treatment Network (OHTN) cohort study

Janet Raboud, DeSheng Su, Ann N Burchell, Sandra Gardner, Sharon Walmsley, Ahmed M Bayoumi, Sandra Blitz, Curtis Cooper, Irving Salit, Jeff Cohen, Sean B Rourke, Mona R Loutfy

Open Access Research article

Surveying alcohol and other drug use through telephone sampling: a comparison of landline and mobile phone samples

Michael Livingston, Paul Dietze, Jason Ferris, Darren Pennay, Linda Hayes, Simon Lenton

Open Access Research article

Empirical comparison of methods for analyzing multiple time-to-event outcomes in a non-inferiority trial: a breast cancer study

Sameer Parpia, Lehana Thabane, Jim A Julian, Timothy J Whelan, Mark N Levine

Open Access Research article

Limited benefit of repeating a sensitive question in a cross-sectional sexual health study

Abigail Norris Turner, Prabasaj Paul, Alison H Norris

Open Access Research article

Information-based measure of disagreement for more than two observers: a useful tool to compare the degree of observer disagreement

Teresa Henriques, Luis Antunes, João Bernardes, Mara Matias, Diogo Sato, Cristina Costa-Santos

Open Access Research article

Flexible parametric modelling of cause-specific hazards to estimate cumulative incidence functions

Sally R Hinchliffe, Paul C Lambert

Open Access Research article

Magnitude of discordance between registry data and death certificate when evaluating leading causes of death in dialysis patients

Jean-Philippe Lafrance, Elham Rahme, Sameena Iqbal, Martine Leblanc, Vincent Pichette, Naoual Elftouh, Michel Vallée

Open Access Research article

Estimating relative intensity using individualized accelerometer cutpoints: the importance of fitness level

Cemal Ozemek, Heather L Cochran, Scott J Strath, Wonwoo Byun, Leonard A Kaminsky

Open Access Correspondence

“Best fit” framework synthesis: refining the method

Christopher Carroll, Andrew Booth, Joanna Leaviss, Jo Rick

Open Access Reviewer acknowledgement

Annual acknowledgement of manuscript reviewers

Adrian Aldcroft

Open Access Research article

The use of systematic reviews in the planning, design and conduct of randomised trials: a retrospective cohort of NIHR HTA funded trials

Ashley P Jones, Elizabeth Conroy, Paula R Williamson, Mike Clarke, Carrol Gamble

Open Access Research article

Cluster-based exposure variation analysis

Afshin Samani, Svend Erik Mathiassen, Pascal Madeleine

Open Access Research article

Agreement between pre-post measures of change and transition ratings as well as then-tests

Thorsten Meyer, Susanne Richter, Heiner Raspe

Open Access Research article

Using the random forest method to detect a response shift in the quality of life of multiple sclerosis patients: a cohort study

Mohamed Boucekine, Anderson Loundou, Karine Baumstarck, Patricia Minaya-Flores, Jean Pelletier, Badih Ghattas, Pascal Auquier

Open Access Research article

Advancing current approaches to disease management evaluation: capitalizing on heterogeneity to understand what works and for whom

Arianne MJ Elissen, John L Adams, Marieke Spreeuwenberg, Inge GP Duimel-Peeters, Cor Spreeuwenberg, Ariel Linden, Hubertus JM Vrijhoef

Open Access Research article

Overview of data-synthesis in systematic reviews of studies on outcome prediction models

Tobias van den Berg, Martijn W Heymans, Stephanie S Leone, David Vergouw, Jill A Hayden, Arianne P Verhagen, Henrica CW de Vet

Open Access Research article

Applications of functional data analysis: A systematic review

Shahid Ullah, Caroline F Finch

Open Access Research article

Can we quantify harm in general practice records? An assessment of precision and power using computer simulation

Carl de Wet, Paul Johnson, Catherine O’Donnell, Paul Bowie

Open Access Research article

Using case study within a sequential explanatory design to evaluate the impact of specialist and advanced practice roles on clinical outcomes: the SCAPE study

Joan G Lalor, Dympna Casey, Naomi Elliott, Imelda Coyne, Catherine Comiskey, Agnes Higgins, Kathy Murphy, Declan Devane, Cecily Begley

Open Access Research article

A threshold method for immunological correlates of protection

Xuan Chen, Fabrice Bailleux, Kamal Desai, Li Qin, Andrew J Dunning

Open Access Research article

‘Trying to pin down jelly’ - exploring intuitive processes in quality assessment for meta-ethnography

Francine Toye, Kate Seers, Nick Allcock, Michelle Briggs, Eloise Carr, JoyAnn Andrews, Karen Barker

Open Access Research article

A graphical tool for locating inconsistency in network meta-analyses

Ulrike Krahn, Harald Binder, Jochem König

Open Access Research article

Assessing potential sources of clustering in individually randomised trials

Brennan C Kahan, Tim P Morris

Open Access Research article

How are European birth-cohort studies engaging and consulting with young cohort members?

Patricia J Lucas, Debra Allnock, Tricia Jessiman

Open Access Research article

Recruitment strategies and yields for the Pathobiology of Prediabetes in a Biracial Cohort: a prospective natural history study of incident dysglycemia

Sotonte Ebenibo, Chimaroke Edeoga, Ann Ammons, Nonso Egbuonu, Samuel Dagogo-Jack

Open Access Research article

Prediction models for clustered data: comparison of a random intercept and standard regression model

Walter Bouwmeester, Jos WR Twisk, Teus H Kappen, Wilton A van Klei, Karel GM Moons, Yvonne Vergouwe

Open Access Software

An R package for analyzing and modeling ranking data

Paul H Lee, Philip LH Yu

Open Access Research article

External validation of a Cox prognostic model: principles and methods

Patrick Royston, Douglas G Altman

Open Access Research article

Predicting hemoglobin levels in whole blood donors using transition models and mixed effects models

Kazem Nasserinejad, Wim de Kort, Mireille Baart, Arnošt Komárek, Joost van Rosmalen, Emmanuel Lesaffre

Open Access Correspondence

Novel study design to assess the utility of the copd assessment test in a primary care setting

Kevin Gruffydd-Jones, Helen Marsden, Steve Holmes, Peter Kardos, Roger Escamilla, Roberto Dal Negro, June Roberts, Gilbert Nadeau, David Leather, Paul Jones

Open Access Research article

Phase IV non-inferiority trials and additional claims of benefit

Rosemarie DLC Bernabe, Grace Wangge, Mirjam J Knol, Olaf H Klungel, Johannes JM van Delden, Anthonius de Boer, Arno W Hoes, Jan AM Raaijmakers, Ghislaine JMW van Thiel

Open Access Research article

Ensemble-based methods for forecasting census in hospital units

Devin C Koestler, Hernando Ombao, Jesse Bender

Open Access Research article

Rethinking sources of representative controls for the conduct of case–control studies in minority populations

Elisa V Bandera, Urmila Chandran, Gary Zirpoli, Susan E McCann, Gregory Ciupak, Christine B Ambrosone

Open Access Research article

Views on the peer review system of biomedical journals: an online survey of academics from high-ranking universities

Roger Chun-Man Ho, Kwok-Kei Mak, Ren Tao, Yanxia Lu, Jeffrey R Day, Fang Pan

Open Access Research article

ClinicalTrials.gov registration can supplement information in abstracts for systematic reviews: a comparison study

Roberta W Scherer, Lynn Huynh, Ann-Margret Ervin, Jakeisha Taylor, Kay Dickersin

Open Access Research article

Inference of synergy/antagonism between anticancer drugs from the pooled analysis of clinical trials

Wenfeng Kang, Robert S DiPaola, Alexei Vazquez

Open Access Research article

Measuring teamwork and taskwork of community-based “teams” delivering life-saving health interventions in rural Zambia: a qualitative study

Kojo Yeboah-Antwi, Gail Snetro-Plewman, Karen Z Waltensperger, Davidson H Hamer, Chilobe Kambikambi, William MacLeod, Stephen Filumba, Bias Sichamba, David Marsh

Open Access Research article

Confidence regions for repeated measures ANOVA power curves based on estimated covariance

Matthew J Gribbin, Yueh-Yun Chi, Paul W Stewart, Keith E Muller

Open Access Correspondence

Acceptance checklist for clinical effectiveness pilot trials: a systematic approach

Georgina Charlesworth, Karen Burnell, Juanita Hoe, Martin Orrell, Ian Russell

Open Access Research article

Proton pump inhibitors and the risk of pneumonia: a comparison of cohort and self-controlled case series designs

Emmae N Ramsay, Nicole L Pratt, Philip Ryan, Elizabeth E Roughead

Open Access Research article

Testing the proportional hazards assumption in case-cohort analysis

Xiaonan Xue, Xianhong Xie, Marc Gunter, Thomas E Rohan, Sylvia Wassertheil-Smoller, Gloria YF Ho, Dominic Cirillo, Herbert Yu, Howard D Strickler

Open Access Research article

Validity of self-reported height and weight among adolescents: the importance of reporting capability

Mette Rasmussen, Bjørn E Holstein, Ole Melkevik, Mogens Trab Damsgaard

Open Access Research article

The impact of deployment experience and prior healthcare utilization on enrollment in a large military cohort study

Jaime L Horton, Isabel G Jacobson, Alyson J Littman, John E Alcaraz, Besa Smith, Nancy F Crum-Cianflone

Open Access Research article

Use of generalised additive models to categorise continuous variables in clinical prediction

Irantzu Barrio, Inmaculada Arostegui, José M Quintana, IRYSS-COPD Group

Open Access Research article

The McNemar test for binary matched-pairs data: mid-p and asymptotic are better than exact conditional

Morten W Fagerland, Stian Lydersen, Petter Laake

Open Access Commentary

A tutorial on sensitivity analyses in clinical trials: the what, why, when and how

Lehana Thabane, Lawrence Mbuagbaw, Shiyuan Zhang, Zainab Samaan, Maura Marcucci, Chenglin Ye, Marroon Thabane, Lora Giangregorio, Brittany Dennis, Daisy Kosa, Victoria Borg Debono, Rejane Dillenburg, Vincent Fruci, Monica Bawor, Juneyoung Lee, George Wells, Charles H Goldsmith

Open Access Research article

Screened selection design for randomised phase II oncology trials: an example in chronic lymphocytic leukaemia

Christina Yap, Andrew Pettitt, Lucinda Billingham

Open Access Research article

Risk of bias of randomized controlled trials published in orthopaedic journals

Laura E Chess, Joel Gagnier

Open Access Research article

Piecewise exponential models to assess the influence of job-specific experience on the hazard of acute injury for hourly factory workers

Jessica Kubo, Mark R Cullen, Linda Cantley, Martin Slade, Baylah Tessier-Sherman, Oyebode Taiwo, Manisha Desai

Open Access Research article

Cognitive mapping: using local knowledge for planning health research

Jonathan Stadler, Charles Dugmore, Emilie Venables, Catherine MacPhail, Sinead Delany-Moretlwe

Open Access Debate

On the assessment of the added value of new predictive biomarkers

Weijie Chen, Frank W Samuelson, Brandon D Gallas, Le Kang, Berkman Sahiner, Nicholas Petrick

Open Access Technical advance

The agreement chart

Shrikant I Bangdiwala, Viswanathan Shankar

Open Access Research article

Adjusting for multiple prognostic factors in the analysis of randomised trials

Brennan C Kahan, Tim P Morris

Open Access Correspondence

Selecting a sample size for studies with repeated measures

Yi Guo, Henrietta L Logan, Deborah H Glueck, Keith E Muller

Open Access Research article

Is a large scale community programme as effective as a community rehabilitation programme delivered in the setting of a clinical trial?

Elizabeth C Goyder, Mark Strong, Angela Green, Michael W Holmes, Gail Miles, Orla Reddington, Rod Lawson, Andrew Lee, Gurnam Basran

Open Access Research article

Optimising the use of electronic health records to estimate the incidence of rheumatoid arthritis in primary care: what information is hidden in free text?

Elizabeth Ford, Amanda Nicholson, Rob Koeling, A Rosemary Tate, John Carroll, Lesley Axelrod, Helen E Smith, Greta Rait, Kevin A Davies, Irene Petersen, Tim Williams, Jackie A Cassell

Open Access Research article

A counterfactual approach to bias and effect modification in terms of response types

Etsuji Suzuki, Toshiharu Mitsuhashi, Toshihide Tsuda, Eiji Yamamoto

Open Access Research article

Are concomitant treatments confounding factors in randomized controlled trials on intensive blood-glucose control in type 2 diabetes? a systematic review

Rémy Boussageon, Irène Supper, Sylvie Erpeldinger, Michel Cucherat, Theodora Bejan-Angoulvant, Behrouz Kassai, Catherine Cornu, François Gueyffier

Open Access Research article

Quality of life in dementia: a study on proxy bias

Alexander MM Arons, Paul FM Krabbe, Carla JM Schölzel-Dorenbos, Gert Jan van der Wilt, Marcel GM Olde Rikkert

Open Access Research article

Consensus-based recommendations for investigating clinical heterogeneity in systematic reviews

Joel J Gagnier, Hal Morgenstern, Doug G Altman, Jesse Berlin, Stephanie Chang, Peter McCulloch, Xin Sun, David Moher

Open Access Research article

Strategies for maximizing consent rates for child dental health surveys: a randomised controlled trial

Anne-Marie Glenny, Helen V Worthington, Keith M Milsom, Eric Rooney, Martin Tickle

Open Access Research article

Beyond case fatality rate: using potential impact fraction to estimate the effect of increasing treatment uptake on mortality

Nicholas Mitsakakis, Harindra C Wijeysundera, Murray Krahn

Open Access Research article

The predictive value of mental health for long-term sickness absence: the Major Depression Inventory (MDI) and the Mental Health Inventory (MHI-5) compared

Sannie Vester Thorsen, Reiner Rugulies, Pernille U Hjarsbech, Jakob Bue Bjorner

Open Access Correspondence

Using the framework method for the analysis of qualitative data in multi-disciplinary health research

Nicola K Gale, Gemma Heath, Elaine Cameron, Sabina Rashid, Sabi Redwood

Open Access Research article

The reliability of a quality appraisal tool for studies of diagnostic reliability (QAREL)

Nicholas Lucas, Petra Macaskill, Les Irwig, Robert Moran, Luke Rickards, Robin Turner, Nikolai Bogduk

Open Access Research article

Making sense of complex data: a mapping process for analyzing findings of a realist review on guideline implementability

Monika Kastner, Julie Makarski, Leigh Hayden, Lisa Durocher, Ananda Chatterjee, Melissa Brouwers, Onil Bhattacharyya

Open Access Research article

Derivation and assessment of risk prediction models using case-cohort data

Jean Sanderson, Simon G Thompson, Ian R White, Thor Aspelund, Lisa Pennells

Open Access Correspondence

Recommendations for a uniform assessment of publication bias related to funding source

Marlies van Lent, John Overbeke, Henk J Out

Open Access Research article

Concordance between administrative health data and medical records for diabetes status in coronary heart disease patients: a retrospective linked data study

Lee Nedkoff, Matthew Knuiman, Joseph Hung, Frank M Sanfilippo, Judith M Katzenellenbogen, Tom G Briffa

Open Access Debate

Integrating and extending cohort studies: lessons from the eXtending Treatments, Education and Networks in Depression (xTEND) study

Joanne Allen, Kerry J Inder, Terry J Lewin, John R Attia, Frances J Kay-Lambkin, Amanda L Baker, Trevor Hazell, Brian J Kelly

Open Access Research article

Heterogeneity and event dependence in the analysis of sickness absence

Isabel Torá-Rocamora, David Gimeno, George Delclos, Fernando G Benavides, Rafael Manzanera, Josefina Jardí, Constança Alberti, Yutaka Yasui, José Miguel Martínez

Open Access Research article

Shortening the Current Opioid Misuse Measure via computer-based testing: a retrospective proof-of-concept study

Matthew D Finkelman, Ronald J Kulich, Driss Zoukhri, Niels Smits, Stephen F Butler

Open Access Research article

A systematic review of cluster randomised trials in residential facilities for older people suggests how to improve quality

Karla Diaz-Ordaz, Robert Froud, Bart Sheehan, Sandra Eldridge

Open Access Technical advance

Direct risk standardisation: a new method for comparing casemix adjusted event rates using complex models

Jon Nicholl, Richard M Jacques, Michael J Campbell

Open Access Technical advance

Towards a methodology for cluster searching to provide conceptual and contextual “richness” for systematic reviews of complex interventions: case study (CLUSTER)

Andrew Booth, Janet Harris, Elizabeth Croot, Jane Springett, Fiona Campbell, Emma Wilkins

Open Access Research article

Screening for data clustering in multicenter studies: the residual intraclass correlation

Laure Wynants, Dirk Timmerman, Tom Bourne, Sabine Van Huffel, Ben Van Calster

Open Access Debate

How confidence intervals become confusion intervals

James McCormack, Ben Vandermeer, G Michael Allan

Open Access Research article

A semi-parametric approach to estimate risk functions associated with multi-dimensional exposure profiles: application to smoking and lung cancer

David I Hastie, Silvia Liverani, Lamiae Azizi, Sylvia Richardson, Isabelle Stücker

Open Access Research article

Perspectives on neurological patient registries: a literature review and focus group study

Lawrence Korngut, Gail MacKean, Lisa Casselman, Megan Johnston, Lundy Day, Darren Lam, Diane Lorenzetti, Janet Warner, Nathalie Jetté, Tamara Pringsheim

Open Access Research article

How experiences become data: the process of eliciting adverse event, medical history and concomitant medication reports in antimalarial and antiretroviral interaction trials

Elizabeth N Allen, Adiel K Mushi, Isolide S Massawe, Lasse S Vestergaard, Martha Lemnge, Sarah G Staedke, Ushma Mehta, Karen I Barnes, Clare IR Chandler

Open Access Research article

Effects of aggregation of drug and diagnostic codes on the performance of the high-dimensional propensity score algorithm: an empirical example

Hoa V Le, Charles Poole, M Alan Brookhart, Victor J Schoenbach, Kathleen J Beach, J Bradley Layton, Til Stürmer

Open Access Technical advance

A regression model for risk difference estimation in population-based case–control studies clarifies gender differences in lung cancer risk of smokers and never smokers

Stephanie A Kovalchik, Sara De Matteis, Maria Teresa Landi, Neil E Caporaso, Ravi Varadhan, Dario Consonni, Andrew W Bergen, Hormuzd A Katki, Sholom Wacholder

Open Access Research article

Diagnosing problems with imputation models using the Kolmogorov-Smirnov test: a simulation study

Cattram D Nguyen, John B Carlin, Katherine J Lee

Open Access Research article

A multi-arm multi-stage clinical trial design for binary outcomes with application to tuberculosis

Daniel J Bratton, Patrick PJ Phillips, Mahesh KB Parmar

Open Access Research article

Measurement error in time-series analysis: a simulation study comparing modelled and monitored data

Barbara K Butland, Ben Armstrong, Richard W Atkinson, Paul Wilkinson, Mathew R Heal, Ruth M Doherty, Massimo Vieno

Open Access Research article

Using a social marketing framework to evaluate recruitment of a prospective study of genetic counseling and testing for the deaf community

Yoko Kobayashi, Patrick Boudreault, Karin Hill, Janet S Sinsheimer, Christina GS Palmer

Open Access Research article

Exploratory randomized controlled trial evaluating the impact of a waiting list control design

John A Cunningham, Kypros Kypri, Jim McCambridge

Open Access Research article

Comparison of sample characteristics in two pregnancy cohorts: community-based versus population-based recruitment methods

Brenda MY Leung, Sheila W McDonald, Bonnie J Kaplan, Gerald F Giesbrecht, Suzanne C Tough

Open Access Research article

Using the Bernoulli trial approaches for detecting ordered alternatives

Chia-Hao Chang, Chih-Chien Chin, Weichieh Wayne Yu, Ying-Yu Huang

Open Access Research article

Lessons learnt recruiting to a multi-site UK cohort study to explore recovery of health and well-being after colorectal cancer (CREW study)

Deborah Fenlon, Kim Chivers Seymour, Ikumi Okamoto, Jane Winter, Alison Richardson, Julia Addington-Hall, Jessica L Corner, Peter W Smith, Christine M May, Matthew Breckons, Claire Foster

Open Access Research article

Facilitating accrual to cancer control and supportive care trials: the clinical research associate perspective

David VanHoff, Tanya Hesser, Katherine Patterson Kelly, David Freyer, Susan Stork, Lillian Sung

Open Access Research article

Data processing costs for three posture assessment methods

Catherine Trask, Svend Erik Mathiassen, Jennie Jackson, Jens Wahlström

Open Access Research article

An international survey of physicians regarding clinical trials: a comparison between Kyoto University Hospital and Seoul National University Hospital

Toshiko Ito-Ihara, Jeong-Hwa Hong, Ock-Joo Kim, Eriko Sumi, Soo-Youn Kim, Shiro Tanaka, Keiichi Narita, Taichi Hatta, Eun-Kyung Choi, Kyu-Jin Choi, Takuya Miyagawa, Manabu Minami, Toshinori Murayama, Masayuki Yokode

Open Access Research article

A systematic review and meta-analysis of acute stroke unit care: What’s beyond the statistical significance?

Ying Sun, Dominique Paulus, Maria Eyssen, Johan Maervoet, Omer Saka

Open Access Erratum

Erratum to: Qualitative systematic reviews of treatment burden in stroke, heart failure and diabetes - Methodological challenges and solutions

Katie Gallacher, Bhautesh Jani, Deborah Morrison, Sara Macdonald, David Blane, Patricia Erwin, Carl R May, Victor M Montori, David T Eton, Fiona Smith, G David Batty, Frances S Mair