Scientific and Statistical Principles
Below is a collection of resources including a series of articles published in The American Journal of Clinical Nutrition offering tutorials on existing and established statistical methods for the design and analysis of nutrition-related research.
A Guide for Authors and Readers of the American Society for Nutrition Journals on the Proper Use of P Values and Strategies that Promote Transparency and Improve Research Reproducibility
Resources for the Design and Conduct of Human Nutrition Randomized Controlled Trials
Introduction to the series “Best (but Oft-Forgotten) Practices”
Dennis M Bier, David B Allison, David H Alpers, Arne Astrup, Kevin D Cashman, Paul M Coates, Naomi K Fukagawa, David M Klurfeld, Richard D Mattes, Ricardo Uauy
The American Journal of Clinical Nutrition, Volume 102, Issue 2, 1 August 2015, Pages 239–240, https://doi.org/10.3945/ajcn.115.117697 Published: 15 July 2015
Best (but oft-forgotten) practices: designing, analyzing, and reporting cluster randomized controlled trials
Andrew W Brown, Peng Li, Michelle M Bohan Brown, Kathryn A Kaiser, Scott W Keith, J Michael Oakes, David B Allison
The American Journal of Clinical Nutrition, Volume 102, Issue 2, 1 August 2015, Pages 241–248, https://doi.org/10.3945/ajcn.114.105072 Published: 27 May 2015
Related Content:
Nutrition 2018 Presentation: Cluster Randomized Trials
Peng Li, PhD, Department of Biostatistics, University of Alabama Birmingham, Birmingham, Alabama
Best (but oft-forgotten) practices: checking assumptions concerning regression residuals
Lawrence E Barker, Kate M Shaw
The American Journal of Clinical Nutrition, Volume 102, Issue 3, 1 September 2015, Pages 533-539, https://doi.org/10.3945/ajcn.115.113498 Published: 01 September 2015
Best (but oft forgotten) practices: testing for treatment effects in randomized trials by separate analyses of changes from baseline in each group is a misleading approach
J Martin Bland, Douglas G Altman
The American Journal of Clinical Nutrition, Volume 102, Issue 5, November 2015, Pages 991–994, https://doi.org/10.3945/ajcn.115.119768
Related Articles:
Response to “Best (but oft forgotten) practices: testing for treatment effects in randomized trials by separate analyses of changes from baseline in each group is a misleading approach” (Kimber L Stanhope, Peter J Havel)
The American Journal of Clinical Nutrition, Volume 103, Issue 2, 1 February 2016, Pages 589, https://doi.org/10.3945/ajcn.115.125989 Published: 01 February 2016
Reply to KL Stanhope and PJ Havel (J Martin Bland, Douglas G Altman)
The American Journal of Clinical Nutrition, Volume 103, Issue 2, 1 February 2016, Pages 589, https://doi.org/10.3945/ajcn.115.125997 Published: 01 February 2016
Best (but oft-forgotten) practices: the multiple problems of multiplicity—whether and how to correct for many statistical tests
David L Streiner
The American Journal of Clinical Nutrition, Volume 102, Issue 4, 1 October 2015, Pages 721–728, https://doi.org/10.3945/ajcn.115.113548 Published: 05 August 2015
Related Content:
Nutrition 2018 Presentation: Issues in Multiple Testing
John A. Dawson, PhD, Department of Nutritional Sciences, Texas Tech University, Lubbock, TX
Best (but oft-forgotten) practices: sensitivity analyses in randomized controlled trials
Russell J de Souza, Rebecca B Eisen, Stefan Perera, Bianca Bantoto, Monica Bawor, Brittany B Dennis, Zainab Samaan, Lehana Thabane
The American Journal of Clinical Nutrition, Volume 103, Issue 1, 1 January 2016, Pages 5–17, https://doi.org/10.3945/ajcn.115.121848Published:16 December 2015
Related Content:
Nutrition 2018 Presentation: Sensitivity Analysis
Lehana Thabane, PhD, Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
Best (but oft-forgotten) practices: expressing and interpreting associations and effect sizes in clinical outcome assessments
Lori D McLeod, Joseph C Cappelleri, Ron D Hays
The American Journal of Clinical Nutrition, Volume 103, Issue 3, 1 March 2016, Pages 685–693, https://doi.org/10.3945/ajcn.115.120378 Published:10 February 2016 Erratum
Best (but oft-forgotten) practices: the design, analysis, and interpretation of Mendelian randomization studies
Philip C Haycock, Stephen Burgess, Kaitlin H Wade, Jack Bowden, Caroline Relton, George Davey Smith
The American Journal of Clinical Nutrition, Volume 103, Issue 4, 1 April 2016, Pages 965–978, https://doi.org/10.3945/ajcn.115.118216 Published:09 March 2016
Best (but oft-forgotten) practices: propensity score methods in clinical nutrition research
M Sanni Ali, Rolf HH Groenwold, Olaf H Klungel
The American Journal of Clinical Nutrition, Volume 104, Issue 2, 1 August 2016, Pages 247–258, https://doi.org/10.3945/ajcn.115.125914 Published:13 July 2016
Best (but oft-forgotten) practices: intention-to-treat, treatment adherence, and missing participant outcome data in the nutrition literature
Bradley C Johnston, Gordon H Guyatt
The American Journal of Clinical Nutrition, Volume 104, Issue 5, 1 November 2016, Pages 1197–1201, https://doi.org/10.3945/ajcn.115.123315 Published:12 October 2016
Best (but oft-forgotten) practices: mediation analysis
Amanda J Fairchild, Heather L McDaniel
The American Journal of Clinical Nutrition, Volume 105, Issue 6, 1 June 2017, Pages 1259–1271, https://doi.org/10.3945/ajcn.117.152546 Published: 26 April 2017
Best (but oft-forgotten) practices: missing data methods in randomized controlled nutrition trials
Peng Li, Elizabeth A Stuart
The American Journal of Clinical Nutrition, Volume 109, Issue 3, March 2019, Pages 504–508, https://doi.org/10.1093/ajcn/nqy271 Published: 22 February 2019
Best (but oft forgotten) practices: sample size planning for powerful studies
Samantha F Anderson
The American Journal of Clinical Nutrition, Volume 110, Issue 2, August 2019, Pages 280–295, https://doi.org/10.1093/ajcn/nqz058 Published: 27 May 2019
Best (but oft-forgotten) practices: identifying and accounting for regression to the mean in nutrition and obesity research
Diana M Thomas, Nicholas Clark, Dusty Turner, Cynthia Siu, Tanya M Halliday, Bridget A Hannon, Chanaka N Kahathuduwa, Cynthia M Kroeger, Roger Zoh, David B Allison
The American Journal of Clinical Nutrition, Volume 111, Issue 2, February 2020, Pages 256–265, https://doi.org/10.1093/ajcn/nqz196 Published: 24 September 2019
Related Content:
Nutrition 2018 Presentation: Regression to the Mean
David Allison, Department of Epidemiology and Biostatistics, Indiana University School of Public Health-Bloomington, Bloomington, IN
Best (but oft-forgotten) practices: sample size and power calculation for a dietary intervention trial with episodically consumed foods
Wei Zhang, Aiyi Liu, Zhiwei Zhang, Tonja Nansel, Susan Halabi
The American Journal of Clinical Nutrition, nqaa176, https://doi.org/10.1093/ajcn/nqaa176 Published: 09 July 2020