Scientific Presentations

2015

  • C. Tudor-Locke, J.M. Schuna Jr., D.I. Swift, A.T. Dragg, A.B. Davis, C.K. Martin, S. Larrivee, W.D. Johnson, T.S. Church. “Accelerometer-determined outcomes with pedometer-based interventions differing on intensity messages” Presented at the American College of Sports Medicine Annual Meeting, May 27-30, 2015, San Diego, California.
  • V.H. Myers, P.J. Brantley, K.K. Waldo, R.L. Newton, M.N. Harris, P.S. Boyd, R.D. Brock, C.M. Champagne, M.R. Matthews-Ewald, W.D. Johnson, D. Zhang, T.S. Church, D.H. Ryan. “The influence of weight loss on sleep improvement in obese adults: Results from the Heads Up study” Presented at the 36th Annual meeting of the Society of Behavioral Medicine, Apr 22-25, 2015, San Antonio, Texas.
  • R.A. Beyl. "Analysis plans for doubly repeated measures designs (part 1)" Presented at the Conference on Statistical Practice, Feb 19-21, 2015, New Orleans, LA.
  • J.H. Burton. "Analysis plans for doubly repeated measures designs (part 2)" Presented at the Conference on Statistical Practice, Feb 19-21, 2015, New Orleans, LA.
  • W.D. Johnson. "Determining different population distributions using NHANES BMI data" Presented at the Conference on Statistical Practice, Feb 19-21, 2015, New Orleans, LA.

2014

  • R.A. Beyl, J.H. Burton, W.D. Johnson. "Analyzing doubly repeated measures: Area under the curve and mixed model approaches" Oral presentation at the American Public Health Association (APHA) 142nd Annual Meeting and Expo, Nov 15-19, 2014, New Orleans, LA.
  • J.H. Burton, R.A. Beyl, W.D. Johnson. "Roundtable discussion of effects of baseline adjustments for repeated measures data" American Public Health Association (APHA) 142nd Annual Meeting and Expo Nov 15-19, 2014, New Orleans, LA.
  • W.D. Johnson, R.A. Beyl, J.H. Burton. "Round table discussion of estimating and testing significance of change in prevalence of a trait when some change may be attributable to regression to the mean" American Public Health Association (APHA) 142nd Annual Meeting and Expo Nov 15-19, 2014, New Orleans, LA.
  • M.E. Shapiro, D.S. Hsia, S. Larrivee, F.L. Greenway, W.D. Johnson. "Glycemic control with oral medications with Type 2 diabetes: NHANES 1999-2010" Poster presentation at The Obesity Society’s Annual Scientific Meeting, Nov 2-8, 2014, Boston, MA.
  • R. Brock, M. Matthews-Ewald, P. Brantley, M.N. Harris, V. Myers, R. Newton, C. Champagne, W. Johnson, D. Ryan. "Methods of prior weight loss attempts by adults seeking weight loss surgery" Poster presentation at The Obesity Society’s Annual Scientific Meeting, Nov 2-8, 2014, Boston, MA
  • M.E. Shapiro, D.S. Hsia, S. Larrivee, F.L. Greenway, W.D. Johnson. "Glycemic control with oral medications with Type 2 diabetes: NHANES 1999-2010" Poster presentation at The Obesity Society’s Annual Scientific Meeting, Nov 2-8, 2014, Boston, MA.
  • Talbot G.E., DeCesare L., Burton J.H., Johnson C.M., Bray G.A., Champagne C.M. "Energy density and weight loss in diets varying in macronutrient composition: Potential impact on obesity" SEC Symposium, Sep 21-23, 2014, Atlanta, Georgia.
  • L. Zhang, R. Beyl, J. Burton, C.M. Johnson, H. Han, W.D. Johnson. “A large sample statistical test for equality of percentile profiles across multiple populations” Oral presentation at the Joint Statistical Meetings, American Statistical Association, International Biometric Society and Institute of Mathematical Statistics, et al, Aug 2-7, 2014, Boston, Massachusetts.
  • W.D. Johnson, J. Burton, R. Beyl. “Analyzing ratios of prevalence and incidence estimators in multilevel mixed effects models” Oral presentation at the Joint Statistical Meetings, American Statistical Association, International Biometric Society and Institute of Mathematical Statistics, et al, Aug 2-7, 2014, Boston, Massachusetts.
  • H. Han, J. Burton, R. Beyl, W.D. Johnson. “Covariance structures for multiply repeated measures models” Oral presentation at the Joint Statistical Meetings, American Statistical Association, International Biometric Society and Institute of Mathematical Statistics, et al, Aug 2-7, 2014, Boston, Massachusetts.
  • J. Burton, R. Beyl, W.D. Johnson. “Approximate testing in two-stage nonlinear models” Oral presentation at the Joint Statistical Meetings, American Statistical Association, International Biometric Society and Institute of Mathematical Statistics, et al, Aug 2-7, 2014, Boston, Massachusetts.
  • R. Beyl, J. Burton, W.D. Johnson. “Comparison of power from area under the curve and mixed models methodologies for profile analysis” Oral presentation at the Joint Statistical Meetings, American Statistical Association, International Biometric Society and Institute of Mathematical Statistics, et al, Aug 2-7, 2014, Boston, Massachusetts.
  • M.N. Harris, V. Myers, M. Matthews-Ewald, R. Brock, C. Dufour, J.H. Burton, W.D. Johnson, D. Ryan, T. Church, P. Brantley. “The Heads Up study: Predictors of weight loss success using a low calorie diet with severely obese adults” 35th Annual Meeting & Scientific Sessions of the Society of Behavioral Medicine, Apr 23-26 2014, Philadelphia, Pennsylvania.
  • T.V. Barreira, D.M. Harrington, C. Tudor-Locke, J.M. Schuna Jr, C.M. Champagne, S.T. Broyles, W.D. Johnson, P.K. Katzmarzyk. “Post intervention differences in steps accumulated at moderate intensity cadences” Presented at the 2014 AAHPERD National Convention and Exposition, April 1-5, 2014, St. Louis, Missouri.

2013

  • W.D. Johnson, W.H. Replogle, H. Han. “Using log-linear and logistic regression for inferences on adjusted estimates of relative risk in randomized comparative trials” Oral presentation at the Joint Statistics Meetings, American Statistical Association, International Biometric Society, Institute of Mathematical Statistics, et al. Aug 4-8, 2013, Montreal, Canada.
  • L. Zhang, H. Han, D. Zhang, W.D. Johnson. “Approximate test for comparing parameters of several inverse hypergeometric distributions” Oral presentation at the Joint Statistics Meetings, American Statistical Association, International Biometric Society, Institute of Mathematical Statistics, et al. Aug 4-8, 2013, Montreal, Canada.
  • C.A. Hendrick, D.L. Swift, J.M. Schuna Jr., C.K. Martin, T.S. Church, W.D. Johnson, C. Tudor- Locke. “Controlled study of changes in ambulatory activity and sedentary behavior time with treadmill workstation adoption” Poster presentation at ACSM’s 60th Annual Meeting and 4th World Congress on Exercise in Medicine®. May 28-June 1, 2013. Indianapolis, Indiana.
  • C. Tudor-Locke, J.M. Schuna Jr., D.L. Swift, C. Hendrick, C.K. Martin, T.S. Church, W.D. Johnson. “Free-living cadence (Steps/min) values associated with traditional accelerometer activity count cut points.” 2013 International Conference on Ambulatory Monitoring of Physical Activity and Movement, June 17-19, 2013, University of Massachusetts, Amherst, MA.
  • J.M. Schuna Jr., D.L. Swift, C. Hendrick, C.K. Martin, T.S. Church, W.D. Johnson. “Work-related ambulatory activity and sedentary behavior of overweight and obese office workers.” 2013 International Conference on Ambulatory Monitoring of Physical Activity and Movement, June 17-19, 2013, University of Massachusetts, Amherst, MA.
  • D.L. Swift, N.M. Johannsen, C.J. Lavie, C.P. Earnest, W.D. Johnson, S.N. Blair, T.S. Church. “Racial differences in the response of cardiorespiratory fitness to aerobic exercise training in Caucasian and African American postmenopausal women.” American Heart Association 2013 Scientific Sessions, Cardiovascular Disease, Epidemiology and Prevention/ Nutrition, Physical Activity and Metabolism, March 19-22, 2013, New Orleans Marriott, New Orleans, LA.

2012

  • L. Zhang, W.D. Johnson, J. Kolbo. “Using orthogonal coefficients to test for trends in health survey data.” Selected for Oral presentation during the 140th American Public Health Association Annual Meeting, October 27-31, 2012, San Francisco, CA.
  • P.J. Brantley, V.H. Myers, V.J. Stevens, W.D. Johnson, H. Han, J. Coughlin, K. Funk, J. Hollis, C.D. Samuel-Hodge, G.J. Jerome. “Psychosocial changes during weight loss and subsequent weight regain.” Oral presentation at Behavioral Medicine: From Basic Science to Clinical Investigation and Public Health, August 29 – September 1, 2012, Budapest Hilton, Hungary.
  • H. Han, W.D. Johnson. “Application of doubly repeated measures analyses in drug trials on food intake” Oral presentation at the Joint Statistics Meetings, American Statistical Association, International Biometric Society, Institute of Mathematical Statistics, et al. Aug 5-9, 2012, San Diego, California.
  • W. Xie, C.S. Tam, B. Li, E. Ravussin, W.D. Johnson. “Statistical strategies for developing classification algorithms with application to insulin sensitivity status in humans” Oral presentation at the Joint Statistics Meetings, American Statistical Association, International Biometric Society, Institute of Mathematical Statistics, et al. Aug 5-9, 2012, San Diego, California.