Descriptive Modeling of Longitudinal Outcome Measures in Traumatic Brain Injury: A National Institute on Disability and Rehabilitation Research Traumatic Brain Injury Model Systems Study Christopher R. Pretz, PhD, Allan J. Kozlowski, PhD, Kristen Dams-O’Connor, PhD, Scott Kreider, MS, Jeffery P. Cuthbert, MPH, MS, John D. Corrigan, PhD, Allen W. Heinemann, PhD, Gale Whiteneck, PhD Archives of Physical Medicine and Rehabilitation Volume 94, Issue 3, Pages 579-588 (March 2013) DOI: 10.1016/j.apmr.2012.08.197 Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 1 Examples of linear, quadratic, and cubic change. Archives of Physical Medicine and Rehabilitation 2013 94, 579-588DOI: (10.1016/j.apmr.2012.08.197) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 2 The negative exponential: ceiling and floor effect. Archives of Physical Medicine and Rehabilitation 2013 94, 579-588DOI: (10.1016/j.apmr.2012.08.197) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 3 Average trajectory and IRC plot for the GOS-E, SWLS, SRS, and weeks of paid competitive employment per year. Archives of Physical Medicine and Rehabilitation 2013 94, 579-588DOI: (10.1016/j.apmr.2012.08.197) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 4 Average trajectory for the FIM Cognitive and Motor. Archives of Physical Medicine and Rehabilitation 2013 94, 579-588DOI: (10.1016/j.apmr.2012.08.197) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 5 Average trajectory for the DRS. Archives of Physical Medicine and Rehabilitation 2013 94, 579-588DOI: (10.1016/j.apmr.2012.08.197) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 6 Average trajectory for FIM Cognitive with individual trajectories. Archives of Physical Medicine and Rehabilitation 2013 94, 579-588DOI: (10.1016/j.apmr.2012.08.197) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions