BMC Medical Research Methodology

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		Correspondence The selection of search sources influences the findings of a systematic review of people’s views: a case study in public health Claire Stansfield, Josephine Kavanagh, Rebecca Rees, Alan Gomersall, James Thomas BMC Medical Research Methodology 2012, 12:55 (20 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Technical advance Translation equations to compare ActiGraph GT3X and Actical accelerometers activity counts Leon Straker, Amity Campbell BMC Medical Research Methodology 2012, 12:54 (20 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Parental compliance - an emerging problem in Liverpool community child health surveys 1991-2006 Gibby Koshy, Bernard J Brabin BMC Medical Research Methodology 2012, 12:53 (20 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Improving response rate and quality of survey data with a scratch lottery ticket incentive Frank Olsen, Birgit Abelsen, Jan Olsen BMC Medical Research Methodology 2012, 12:52 (19 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article An optimal search filter for retrieving systematic reviews and meta-analyses Edwin Lee, Maureen Dobbins, Kara DeCorby, Lyndsey McRae, Daiva Tirilis, Heather Husson BMC Medical Research Methodology 2012, 12:51 (18 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Definitions and methods of measuring and reporting on injurious falls in randomised controlled fall prevention trials: a systematic review Michael Schwenk, Andreas Lauenroth, Christian Stock, Raquel Moreno, Peter Oster, Gretl McHugh, Chris Todd, Klaus Hauer BMC Medical Research Methodology 2012, 12:50 (17 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Method for appraising model validity of randomised controlled trials of homeopathic treatment: multi-rater concordance study Robert T Mathie, Helmut Roniger, Michel Van Wassenhoven, Joyce Frye, Jennifer Jacobs, Menachem Oberbaum, Marie-France Bordet, Chaturbhuja Nayak, Gilles Chaufferin, John A Ives, Flávio Dantas, Peter Fisher BMC Medical Research Methodology 2012, 12:49 (17 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article The ARIC predictive model reliably predicted risk of type II diabetes in Asian populations Calvin Chin, Elian Chia, Stefan Ma, Derrick Heng, Maudrene Tan, Jeanette Lee, E Shyong Tai, Agus Salim BMC Medical Research Methodology 2012, 12:48 (13 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Assessment of reporting quality of conference abstracts in sports injury prevention according to CONSORT and STROBE criteria and their subsequent publication rate as full papers Uzung Yoon, Karsten Knobloch BMC Medical Research Methodology 2012, 12:47 (11 April 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary A comparison of conference abstracts and published papers reveals that randomized controlled studies and observational studies are published in journals with similar impact factors, and most abstract results differ once published.
		Research article Multiple imputation of missing covariates with non-linear effects and interactions: an evaluation of statistical methods Shaun R Seaman, Jonathan W Bartlett, Ian R White BMC Medical Research Methodology 2012, 12:46 (10 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Recruitment using mobile telephones in an Irish general population sexual health survey: challenges and practical solutions Orla McBride, Karen Morgan, Hannah McGee BMC Medical Research Methodology 2012, 12:45 (4 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Results from a blind and a non-blind randomised trial run in parallel: experience from the Estonian Postmenopausal Hormone Therapy (EPHT) Trial Piret Veerus, Krista Fischer, Matti Hakama, Elina Hemminki, The EPHT Trial BMC Medical Research Methodology 2012, 12:44 (4 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:43 (3 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Factor structure and psychometric properties of the trier inventory for chronic stress (TICS) in a representative german sample Katja Petrowski, Sören Paul, Cornelia Albani, Elmar Brähler BMC Medical Research Methodology 2012, 12:42 (1 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Getting physicians to open the survey: little evidence that an envelope teaser increases response rates Jeanette Y Ziegenfuss, Kelly Burmeister, Katherine M James, Lindsey Haas, Jon C Tilburt, Timothy J Beebe BMC Medical Research Methodology 2012, 12:41 (31 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article 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 BMC Medical Research Methodology 2012, 12:40 (31 March 2012) Abstract \| Full text \| PDF \| PubMed
		Technical advance Measuring sidewalk distances using Google Earth Ian Janssen, Andrei Rosu BMC Medical Research Methodology 2012, 12:39 (29 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article 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 BMC Medical Research Methodology 2012, 12:38 (29 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:37 (27 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Bias and imprecision in posture percentile variables estimated from short exposure samples Svend Erik Mathiassen, Jens Wahlström, Mikael Forsman BMC Medical Research Methodology 2012, 12:36 (25 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:35 (24 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Individual patient data meta-analysis of survival data using Poisson regression models Michael J Crowther, Richard D Riley, Jan A Staessen, Jiguang Wang, Francois Gueyffier, Paul C Lambert BMC Medical Research Methodology 2012, 12:34 (23 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article On summary measure analysis of linear trend repeated measures data: performance comparison with two competing methods Mehrdad Vossoughi, SMT Ayatollahi, Mina Towhidi, Farzaneh Ketabchi BMC Medical Research Methodology 2012, 12:33 (22 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:32 (20 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Is it possible to estimate the minimal clinically important treatment effect needed to change practice in preterm birth prevention? Results of an obstetrician survey used to support the design of a trial Sue Ross, Jill Milne, Shannon Dwinnell, Selphee Tang, Stephen Wood BMC Medical Research Methodology 2012, 12:31 (19 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Effect of misclassification of antiretroviral treatment status on the prevalence of transmitted HIV-1 drug resistance Hannah Castro, Deenan Pillay, Caroline Sabin, David T Dunn, the UK Collaborative Group on HIV Drug Resistance BMC Medical Research Methodology 2012, 12:30 (14 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:29 (13 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:28 (12 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Is blood pressure reduction a valid surrogate endpoint for stroke prevention? an analysis incorporating a systematic review of randomised controlled trials, a by-trial weighted errors-in-variables regression, the surrogate threshold effect (STE) and the biomarker-surrogacy (BioSurrogate) evaluation schema (BSES) Marissa N Lassere, Kent R Johnson, Michal Schiff, David Rees BMC Medical Research Methodology 2012, 12:27 (12 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 Sjöström, Frédéric Gottrand BMC Medical Research Methodology 2012, 12:26 (12 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Reasons for and against participation in studies of medicinal therapies for women with breast cancer: a debate Gero Luschin, Marion Habersack, Irmina-Anna Gerlich BMC Medical Research Methodology 2012, 12:25 (11 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Multiple imputation for estimating hazard ratios and predictive abilities in case-cohort surveys Helena Marti, Laure Carcaillon, Michel Chavance BMC Medical Research Methodology 2012, 12:24 (9 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article 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 BMC Medical Research Methodology 2012, 12:23 (9 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Assessment of public health impact of work-related asthma Maritta S Jaakkola, Jouni JK Jaakkola BMC Medical Research Methodology 2012, 12:22 (5 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Debate Against quantiles: categorization of continuous variables in epidemiologic research, and its discontents Caroline Bennette, Andrew Vickers BMC Medical Research Methodology 2012, 12:21 (29 February 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Grouping continuous variables into quantiles is an intuitive concept in epidemiological research, but such an approach can be fundamentally problematic, and epidemiologists should consider alternatives.
		Research article Using a single question to assess physical activity in older adults: a reliability and validity study Dawn P Gill, Gareth R Jones, Guangyong Zou, Mark Speechley BMC Medical Research Methodology 2012, 12:20 (28 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Should policy-makers and managers trust PSI? An empirical validation study of five patient safety indicators in a national health service Enrique Bernal-Delgado, Sandra García-Armesto, Natalia Martínez-Lizaga, Begoña Abadía-Taira, Joaquín Beltrán-Peribañez, Salvador Peiró BMC Medical Research Methodology 2012, 12:19 (27 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Validation of the diabetes, hypertension and hyperlipidemia (DHL) knowledge instrument in Malaysia Pauline SM Lai, Siew Siang Chua, Ching Hooi Tan, Siew Pheng Chan BMC Medical Research Methodology 2012, 12:18 (24 February 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Forecasts of COPD mortality in Australia: 2006-2025 Bircan Erbas, Shahid Ullah, Rob J Hyndman, Michelle Scollo, Michael Abramson BMC Medical Research Methodology 2012, 12:17 (21 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Graphical modeling of binary data using the LASSO: a simulation study Ralf Strobl, Eva Grill, Ulrich Mansmann BMC Medical Research Methodology 2012, 12:16 (21 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:15 (20 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article A simple method for estimating relative risk using logistic regression Fredi A Diaz-Quijano BMC Medical Research Methodology 2012, 12:14 (15 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article The association between survey timing and patient-reported experiences with hospitals: results of a national postal survey Oyvind A Bjertnaes BMC Medical Research Methodology 2012, 12:13 (15 February 2012) Abstract \| Full text \| PDF \| PubMed
		Correspondence 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 BMC Medical Research Methodology 2012, 12:12 (14 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Quality assessment of expert answers to lay questions about cystic fibrosis from various language zones in Europe: the ECORN-CF project Daniela d'Alquen, Kris De Boeck, Judy Bradley, Věra Vávrová, Birgit Dembski, Thomas OF Wagner, Annette Pfalz, Helge Hebestreit BMC Medical Research Methodology 2012, 12:11 (6 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Crisis-repair sequences - considerations on the classification and assessment of breaches in the therapeutic relationship Antje Gumz, Elmar Brähler, Michael Geyer, Rainer Erices BMC Medical Research Methodology 2012, 12:10 (3 February 2012) Abstract \| Full text \| PDF \| PubMed
		Technical advance Enhanced secondary analysis of survival data: reconstructing the data from published Kaplan-Meier survival curves Patricia Guyot, AE Ades, Mario JNM Ouwens, Nicky J Welton BMC Medical Research Methodology 2012, 12:9 (1 February 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Improvement of maternal Aboriginality in NSW birth data Fenglian Xu, Elizabeth A Sullivan, Richard C Madden, Deborah Black, Lisa R Jackson Pulver BMC Medical Research Methodology 2012, 12:8 (30 January 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Debate 'You give us rangoli, we give you talk': using an art-based activity to elicit data from a seldom heard group Sabi Redwood, Nicola K Gale, Sheila Greenfield BMC Medical Research Methodology 2012, 12:7 (30 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Prediction intervals for future BMI values of individual children - a non-parametric approach by quantile boosting Andreas Mayr, Torsten Hothorn, Nora Fenske BMC Medical Research Methodology 2012, 12:6 (25 January 2012) Abstract \| Full text \| PDF \| PubMed

	All
		Correspondence The selection of search sources influences the findings of a systematic review of people’s views: a case study in public health Claire Stansfield, Josephine Kavanagh, Rebecca Rees, Alan Gomersall, James Thomas BMC Medical Research Methodology 2012, 12:55 (20 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Technical advance Translation equations to compare ActiGraph GT3X and Actical accelerometers activity counts Leon Straker, Amity Campbell BMC Medical Research Methodology 2012, 12:54 (20 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Parental compliance - an emerging problem in Liverpool community child health surveys 1991-2006 Gibby Koshy, Bernard J Brabin BMC Medical Research Methodology 2012, 12:53 (20 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Improving response rate and quality of survey data with a scratch lottery ticket incentive Frank Olsen, Birgit Abelsen, Jan Olsen BMC Medical Research Methodology 2012, 12:52 (19 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article An optimal search filter for retrieving systematic reviews and meta-analyses Edwin Lee, Maureen Dobbins, Kara DeCorby, Lyndsey McRae, Daiva Tirilis, Heather Husson BMC Medical Research Methodology 2012, 12:51 (18 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Definitions and methods of measuring and reporting on injurious falls in randomised controlled fall prevention trials: a systematic review Michael Schwenk, Andreas Lauenroth, Christian Stock, Raquel Moreno, Peter Oster, Gretl McHugh, Chris Todd, Klaus Hauer BMC Medical Research Methodology 2012, 12:50 (17 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Method for appraising model validity of randomised controlled trials of homeopathic treatment: multi-rater concordance study Robert T Mathie, Helmut Roniger, Michel Van Wassenhoven, Joyce Frye, Jennifer Jacobs, Menachem Oberbaum, Marie-France Bordet, Chaturbhuja Nayak, Gilles Chaufferin, John A Ives, Flávio Dantas, Peter Fisher BMC Medical Research Methodology 2012, 12:49 (17 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article The ARIC predictive model reliably predicted risk of type II diabetes in Asian populations Calvin Chin, Elian Chia, Stefan Ma, Derrick Heng, Maudrene Tan, Jeanette Lee, E Shyong Tai, Agus Salim BMC Medical Research Methodology 2012, 12:48 (13 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Assessment of reporting quality of conference abstracts in sports injury prevention according to CONSORT and STROBE criteria and their subsequent publication rate as full papers Uzung Yoon, Karsten Knobloch BMC Medical Research Methodology 2012, 12:47 (11 April 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary A comparison of conference abstracts and published papers reveals that randomized controlled studies and observational studies are published in journals with similar impact factors, and most abstract results differ once published.
		Research article Multiple imputation of missing covariates with non-linear effects and interactions: an evaluation of statistical methods Shaun R Seaman, Jonathan W Bartlett, Ian R White BMC Medical Research Methodology 2012, 12:46 (10 April 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Recruitment using mobile telephones in an Irish general population sexual health survey: challenges and practical solutions Orla McBride, Karen Morgan, Hannah McGee BMC Medical Research Methodology 2012, 12:45 (4 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Results from a blind and a non-blind randomised trial run in parallel: experience from the Estonian Postmenopausal Hormone Therapy (EPHT) Trial Piret Veerus, Krista Fischer, Matti Hakama, Elina Hemminki, The EPHT Trial BMC Medical Research Methodology 2012, 12:44 (4 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:43 (3 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Factor structure and psychometric properties of the trier inventory for chronic stress (TICS) in a representative german sample Katja Petrowski, Sören Paul, Cornelia Albani, Elmar Brähler BMC Medical Research Methodology 2012, 12:42 (1 April 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Getting physicians to open the survey: little evidence that an envelope teaser increases response rates Jeanette Y Ziegenfuss, Kelly Burmeister, Katherine M James, Lindsey Haas, Jon C Tilburt, Timothy J Beebe BMC Medical Research Methodology 2012, 12:41 (31 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article 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 BMC Medical Research Methodology 2012, 12:40 (31 March 2012) Abstract \| Full text \| PDF \| PubMed
		Technical advance Measuring sidewalk distances using Google Earth Ian Janssen, Andrei Rosu BMC Medical Research Methodology 2012, 12:39 (29 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article 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 BMC Medical Research Methodology 2012, 12:38 (29 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:37 (27 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Bias and imprecision in posture percentile variables estimated from short exposure samples Svend Erik Mathiassen, Jens Wahlström, Mikael Forsman BMC Medical Research Methodology 2012, 12:36 (25 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:35 (24 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Individual patient data meta-analysis of survival data using Poisson regression models Michael J Crowther, Richard D Riley, Jan A Staessen, Jiguang Wang, Francois Gueyffier, Paul C Lambert BMC Medical Research Methodology 2012, 12:34 (23 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article On summary measure analysis of linear trend repeated measures data: performance comparison with two competing methods Mehrdad Vossoughi, SMT Ayatollahi, Mina Towhidi, Farzaneh Ketabchi BMC Medical Research Methodology 2012, 12:33 (22 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:32 (20 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Is it possible to estimate the minimal clinically important treatment effect needed to change practice in preterm birth prevention? Results of an obstetrician survey used to support the design of a trial Sue Ross, Jill Milne, Shannon Dwinnell, Selphee Tang, Stephen Wood BMC Medical Research Methodology 2012, 12:31 (19 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Effect of misclassification of antiretroviral treatment status on the prevalence of transmitted HIV-1 drug resistance Hannah Castro, Deenan Pillay, Caroline Sabin, David T Dunn, the UK Collaborative Group on HIV Drug Resistance BMC Medical Research Methodology 2012, 12:30 (14 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:29 (13 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:28 (12 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Is blood pressure reduction a valid surrogate endpoint for stroke prevention? an analysis incorporating a systematic review of randomised controlled trials, a by-trial weighted errors-in-variables regression, the surrogate threshold effect (STE) and the biomarker-surrogacy (BioSurrogate) evaluation schema (BSES) Marissa N Lassere, Kent R Johnson, Michal Schiff, David Rees BMC Medical Research Methodology 2012, 12:27 (12 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 Sjöström, Frédéric Gottrand BMC Medical Research Methodology 2012, 12:26 (12 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Reasons for and against participation in studies of medicinal therapies for women with breast cancer: a debate Gero Luschin, Marion Habersack, Irmina-Anna Gerlich BMC Medical Research Methodology 2012, 12:25 (11 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Multiple imputation for estimating hazard ratios and predictive abilities in case-cohort surveys Helena Marti, Laure Carcaillon, Michel Chavance BMC Medical Research Methodology 2012, 12:24 (9 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article 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 BMC Medical Research Methodology 2012, 12:23 (9 March 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Assessment of public health impact of work-related asthma Maritta S Jaakkola, Jouni JK Jaakkola BMC Medical Research Methodology 2012, 12:22 (5 March 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Debate Against quantiles: categorization of continuous variables in epidemiologic research, and its discontents Caroline Bennette, Andrew Vickers BMC Medical Research Methodology 2012, 12:21 (29 February 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Grouping continuous variables into quantiles is an intuitive concept in epidemiological research, but such an approach can be fundamentally problematic, and epidemiologists should consider alternatives.
		Research article Using a single question to assess physical activity in older adults: a reliability and validity study Dawn P Gill, Gareth R Jones, Guangyong Zou, Mark Speechley BMC Medical Research Methodology 2012, 12:20 (28 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Should policy-makers and managers trust PSI? An empirical validation study of five patient safety indicators in a national health service Enrique Bernal-Delgado, Sandra García-Armesto, Natalia Martínez-Lizaga, Begoña Abadía-Taira, Joaquín Beltrán-Peribañez, Salvador Peiró BMC Medical Research Methodology 2012, 12:19 (27 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Validation of the diabetes, hypertension and hyperlipidemia (DHL) knowledge instrument in Malaysia Pauline SM Lai, Siew Siang Chua, Ching Hooi Tan, Siew Pheng Chan BMC Medical Research Methodology 2012, 12:18 (24 February 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Forecasts of COPD mortality in Australia: 2006-2025 Bircan Erbas, Shahid Ullah, Rob J Hyndman, Michelle Scollo, Michael Abramson BMC Medical Research Methodology 2012, 12:17 (21 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Graphical modeling of binary data using the LASSO: a simulation study Ralf Strobl, Eva Grill, Ulrich Mansmann BMC Medical Research Methodology 2012, 12:16 (21 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article 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 BMC Medical Research Methodology 2012, 12:15 (20 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article A simple method for estimating relative risk using logistic regression Fredi A Diaz-Quijano BMC Medical Research Methodology 2012, 12:14 (15 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article The association between survey timing and patient-reported experiences with hospitals: results of a national postal survey Oyvind A Bjertnaes BMC Medical Research Methodology 2012, 12:13 (15 February 2012) Abstract \| Full text \| PDF \| PubMed
		Correspondence 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 BMC Medical Research Methodology 2012, 12:12 (14 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Quality assessment of expert answers to lay questions about cystic fibrosis from various language zones in Europe: the ECORN-CF project Daniela d'Alquen, Kris De Boeck, Judy Bradley, Věra Vávrová, Birgit Dembski, Thomas OF Wagner, Annette Pfalz, Helge Hebestreit BMC Medical Research Methodology 2012, 12:11 (6 February 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Crisis-repair sequences - considerations on the classification and assessment of breaches in the therapeutic relationship Antje Gumz, Elmar Brähler, Michael Geyer, Rainer Erices BMC Medical Research Methodology 2012, 12:10 (3 February 2012) Abstract \| Full text \| PDF \| PubMed
		Technical advance Enhanced secondary analysis of survival data: reconstructing the data from published Kaplan-Meier survival curves Patricia Guyot, AE Ades, Mario JNM Ouwens, Nicky J Welton BMC Medical Research Methodology 2012, 12:9 (1 February 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research article Improvement of maternal Aboriginality in NSW birth data Fenglian Xu, Elizabeth A Sullivan, Richard C Madden, Deborah Black, Lisa R Jackson Pulver BMC Medical Research Methodology 2012, 12:8 (30 January 2012) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Debate 'You give us rangoli, we give you talk': using an art-based activity to elicit data from a seldom heard group Sabi Redwood, Nicola K Gale, Sheila Greenfield BMC Medical Research Methodology 2012, 12:7 (30 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research article Prediction intervals for future BMI values of individual children - a non-parametric approach by quantile boosting Andreas Mayr, Torsten Hothorn, Nora Fenske BMC Medical Research Methodology 2012, 12:6 (25 January 2012) Abstract \| Full text \| PDF \| PubMed