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BMC Medical Research Methodology

ISSN Print: 1471-2288

ISSN Online:

Website: http://www.biomedcentral.com/bmcmedresmethodol

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Comparison of population-averaged and cluster-specific models for the analysis of cluster randomized trials with missing binary outcomes: a simulation study

Ma Jinhui,Raina Parminder,Beyene Joseph,Thabane Lehana

Reducing the time-lag between onset of chest pain and seeking professional medical help: a theory-based review

Baxter Susan K,Allmark Peter

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

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

Evaluating audio computer assisted self-interviews in urban south African communities: evidence for good suitability and reduced social desirability bias of a cross-sectional survey on sexual behaviour

Beauclair Roxanne,Meng Fei,Deprez Nele,Temmerman Marleen

Multivariate permutation test to compare survival curves for matched data

Galimberti Stefania,Valsecchi Maria Grazia

A multi-state model to estimate incidence of heroin use

Sánchez-Niubò Albert,Aalen Odd O,Domingo-Salvany Antònia,Amundsen Ellen J

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

Hunt Katherine J,Shlomo Natalie,Addington-Hall Julia

The effects of capping the alcohol consumption distribution and relative risk functions on the estimated number of deaths attributable to alcohol consumption in the European Union in 2004

Gmel Gerrit,Shield Kevin D,Kehoe-Chan Tara AK,Rehm Jürgen

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

Gallacher Katie,Bhautesh Jani,Deborah Morrison,Sara Macdonald

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

Fr？slie Kathrine Frey,R？islien Jo,Qvigstad Elisabeth,Godang Kristin

Modelling heterogeneity variances in multiple treatment comparison meta-analysis – Are informative priors the better solution?

Thorlund Kristian,Thabane Lehana,Mills Edward J

Development and psychometric properties of the health-risk behavior inventory for Chinese adolescents

Mengcheng Wang, Jinyao Yi, Lin Cai, Muli Hu, Xiongzhao Zhu, Shuqiao Yao, Randy P. Auerbach

Validation of colorectal cancer surgery data from administrative data sources

Xue Li, Charlotte King, Christopher deGara, Jonathon White, Marcy Winget

The association between survey timing and patient-reported experiences with hospitals: results of a national postal survey

Oyvind A Bjertnaes

Using patient management as a surrogate for patient health outcomes in diagnostic test evaluation

Lukas P Staub, Sarah J Lord, R Simes, Suzanne Dyer, Nehmat Houssami, Robert YM Chen, Les Irwig

Comparison of uniaxial and triaxial accelerometry in the assessment of physical activity among adolescents under free-living conditions: the HELENA study

Jérémy Vanhelst, Laurent Béghin, Alain Duhamel, Patrick Bergman, Michael Sj？str？m, Frédéric Gottrand

Lost productivity due to premature mortality in developed and emerging countries: an application to smoking cessation

Joseph Menzin, Jeno P Marton, Jordan A Menzin, Richard J Willke, Rebecca M Woodward, Victoria Federico

Alternative analyses for handling incomplete follow-up in the intention-to-treat analysis: the randomized controlled trial of balloon kyphoplasty versus non-surgical care for vertebral compression fracture (FREE)

Jonas Ranstam, Aleksandra Turkiewicz, Steven Boonen, Jan Van Meirhaeghe, Leonard Bastian, Douglas Wardlaw

Bias and imprecision in posture percentile variables estimated from short exposure samples

Svend Erik Mathiassen, Jens Wahlstr？m, Mikael Forsman

Childhood body mass index trajectories: modeling, characterizing, pairwise correlations and socio-demographic predictors of trajectory characteristics

Xiaozhong Wen, Ken Kleinman, Matthew W Gillman, Sheryl L Rifas-Shiman, Elsie M Taveras

Ongoing monitoring of data clustering in multicenter studies

Lauren B Guthrie, Emily Oken, Jonathan AC Sterne, Matthew W Gillman, Rita Patel, Konstantin Vilchuck, Natalia Bogdanovich, Michael S Kramer, Richard M Martin

Telephone follow-up to a mail survey: when to offer an interview compared to a reminder call

Jeanette Y Ziegenfuss, Kelly R Burmeister, Ann Harris, Stefan D Holubar, Timothy J Beebe

Against quantiles: categorization of continuous variables in epidemiologic research, and its discontents

Caroline Bennette, Andrew Vickers

Assessment of public health impact of work-related asthma

Maritta S Jaakkola, Jouni JK Jaakkola

Comparative effectiveness research on patients with acute ischemic stroke using Markov decision processes

Darong Wu, Yefeng Cai, Jianxiong Cai, Qiuli Liu, Yuanqi Zhao, Jingheng Cai, Min Zhao, Yonghui Huang, Liuer Ye, Yubo Lu, Xianping Guo

Reasons for and against participation in studies of medicinal therapies for women with breast cancer: a debate

Gero Luschin, Marion Habersack, Irmina-Anna Gerlich

Hospital-level associations with 30-day patient mortality after cardiac surgery: a tutorial on the application and interpretation of marginal and multilevel logistic regression

Masoumeh Sanagou, Rory Wolfe, Andrew Forbes, Christopher Reid

Quality of life of Chinese urban community residents: a psychometric study of the mainland Chinese version of the WHOQOL-BREF

Ping Xia, Ningxiu Li, Kit-Tai Hau, Chaojie Liu, Yubo Lu

Determination of inflammatory biomarkers in patients with COPD: a comparison of different assays

José L López-Campos, Elena Arellano, Carmen Calero, Ana Delgado, Eduardo Márquez, Pilar Cejudo, Francisco Ortega, Francisco Rodríguez-Panadero, Ana Montes-Worboys

Validation of activity questionnaires in patients with cystic fibrosis by accelerometry and cycle ergometry

Katharina C Ruf, Sonja Fehn, Michèle Bachmann, Alexander Moeller, Kristina Roth, Susi Kriemler, Helge Hebestreit

Evaluation of the Propensity score methods for estimating marginal odds ratios in case of small sample size

Romain Pirracchio, Matthieu Resche Rigon, Sylvie Chevret

Using record linkage to monitor equity and variation in screening programmes

Dermot O'Reilly, Heather Kinnear, Michael Rosato, Adrian Mairs, Clare Hall

Assessing measurement invariance of familism and parental respect across race/ethnicity in adolescents

Jeremy N V Miles, Regina A Shih, Joan S Tucker, Annie Zhou, Elizabeth J D'Amico

Intraclass reliability for assessing how well Taiwan constrained hospital-provided medical services using statistical process control chart techniques

Tsair-Wei Chien, Ming-Ting Chou, Wen-Chung Wang, Li-Shu Tsai, Weir-Sen Lin

Individual participant data meta-analysis of prognostic factor studies: state of the art?

Ghada Abo-Zaid, Willi Sauerbrei, Richard D Riley

Factor structure and psychometric properties of the trier inventory for chronic stress (TICS) in a representative german sample

Katja Petrowski, S？ren Paul, Cornelia Albani, Elmar Br？hler

Adjusting for under-identification of Aboriginal and/or Torres Strait Islander births in time series produced from birth records: Using record linkage of survey data and administrative data sources

David Lawrence, Daniel Christensen, Francis Mitrou, Glenn Draper, Geoff Davis, Sybille McKeown, Daniel McAullay, Glenn Pearson, Stephen R Zubrick

The feasibility of cell phone based electronic diaries for STI/HIV research

Devon J Hensel, Jaroslaw Harezlak, Dorothy Craig, J. Dennis Fortenberry

To test or not to test: Preliminary assessment of normality when comparing two independent samples

Justine Rochon, Matthias Gondan, Meinhard Kieser

Brokered dialogue: A new research method for controversial health and social issues

Janet A Parsons, James V Lavery

Benefits of extensive recruitment effort persistduring follow-ups and are consistent across agegroup and survey method. The TRAILS study

Esther Nederhof, Frederike Jorg, Dennis Raven, Rene Veenstra, Frank C Verhulst, Johan Ormel, Albertine J Oldehinkel

Comparing multiple competing interventions in the absence of randomized trials using clinical risk-benefit analysis

Alejandro Lazo-Langner, Marc A Rodger, Nicholas J Barrowman, Tim Ramsay, Philip S Wells, Douglas A Coyle

Tracking type specific prevalence of human Papillomavirus in cervical pre-cancer: a novel sampling strategy

Edward K Waters, John Kaldor, Andrew J Hamilton, Anthony MA Smith, David J Philp, Basil Donovan, David G Regan

t-tests, non-parametric tests, and large studies—a paradox of statistical practice?

Morten W Fagerland

Investigating hospital heterogeneity with a multi-state frailty model: application to nosocomial pneumonia disease in intensive care units

Benoit Liquet, Jean Francois Timsit, Virginie Rondeau

An empirical comparison of methods for analyzing correlated data from a discrete choice survey to elicit patient preference for colorectal cancer screening

Ji Cheng, Eleanor Pullenayegum, Deborah A Marshall, John K Marshall, Lehana Thabane

An item response theory evaluation of threedepression assessment instruments in a clinicalsample

Mats Adler, Jerker Hetta, G？ran Isacsson, Ulf Brodin

When is it rational to participate in a clinical trial? A game theory approach incorporating trust, regret and guilt

Benjamin Djulbegovic, Iztok Hozo

Analysis of decisions made in meta-analyses of depression screening and the risk of confirmation bias: A case study

Felicity A Goodyear-Smith, Mieke L van Driel, Chris Del Mar, Bruce Arroll

Practical considerations for sensitivity analysis after multiple imputation applied to epidemiological studies with incomplete data

Vanina Héraud-Bousquet, Christine Larsen, James Carpenter, Jean-Claude Desenclos, Yann Le Strat

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