Assessing the validity of the dynamic gait index in a balance disorders clinic: An application of rasch analysis

Physical Therapy

Volumn 93, Issue 6, 2013, Pages 809-818

  Dye, Deanna C ^a   Eakman, Aaron M ^b   Bolton, Kayla M ^c  

^a IDAHO STATE UNIVERSITY   (United States)

^b Veterinary Dentistry and Oral Surgery   (United States)

^c Mountain Land Rehabilitation   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; BODY EQUILIBRIUM; DISABILITY; DIZZINESS; FALLING; FEMALE; GAIT; HUMAN; MALE; MIDDLE AGED; OUTPATIENT DEPARTMENT; PATHOPHYSIOLOGY; PHYSIOLOGY; PSYCHOMETRY; REPRODUCIBILITY; RETROSPECTIVE STUDY; SENSORY DYSFUNCTION; STATISTICAL MODEL; VALIDATION STUDY; VESTIBULAR DISORDER;

ACCIDENTAL FALLS; AMBULATORY CARE FACILITIES; DISABILITY EVALUATION; DIZZINESS; FEMALE; GAIT; HUMANS; MALE; MIDDLE AGED; MODELS, STATISTICAL; POSTURAL BALANCE; PSYCHOMETRICS; REPRODUCIBILITY OF RESULTS; RETROSPECTIVE STUDIES; SENSATION DISORDERS; VESTIBULAR DISEASES;

MLCS; MLOWN;

EID: 84878451348     PISSN: 00319023     EISSN: 15386724     Source Type: Journal    
DOI: 10.2522/ptj.20120163     Document Type: Article

References (36)

1. Pavlou M, Shumway-Cook A, Horak RB, et al. Rehabilitation of balance disorders in the patient with vestibular pathology. In: Bronstein AM, Brandt T, Woollacott MH, Nutt JG, eds. Clinical Disorders of Balance, Posture and Gait. London, United Kingdom: Arnold; 2004:317-343.
2. Shumway-Cook A. Motor Control: Theory and Practical Applications. Philadelphia, PA: Lippincott, Williams & Wilkins; 1995.
3. Whitney SL, Hudak MT, Marchetti GF. The Dynamic Gait Index relates to selfreported fall history in individuals with vestibular dysfunction. J Vestib Res. 2000; 10:99-105.
4. Badke MB, Shea TA, Miedaner JA, Grove CR. Outcomes after rehabilitation for adults with balance dysfunction. Arch Phys Med Rehabil. 2004;85:227-233.
5. Hall CD, Herdmann SJ. Reliability of clinical measures used to assess patients with peripheral vestibular disorders. J Neurol Phys Ther. 2006;30:74-81.
6. Bishop MD, Patterson TS, Romero S, Light KE. Improved fall-related efficacy in older adults related to changes in dynamic gait ability. Phys Ther. 2010;90:1598-1606.
7. Franchignoni F, Horak F, Godi M, et al. Using psychometric techniques to improve the Balance Evaluation Systems Test: the mini-BESTest. J Rehabil Med. 2010;42:323-331.
8. Tesio L. Measuring behaviours and perceptions: Rasch analysis as a tool for rehabilitation research. J Rehabil Med. 2003;35: 105-115.
9. Velozo CA, Wang Y, Lehman L, Wang J. Utilizing Rasch measurement models to develop a computer adaptive self-report of walking, climbing, and running. Disabil Rehabil. 2008;30:458-467.
10. Belvedere SL, de Morton NA. Application of Rasch analysis in health care is increasing and is applied for variable reasons in mobility instruments. J Clin Epidemiol. 2010;63:1287-1297.
11. Bond TG, Fox CM. Applying the Rasch Model: Fundamental Measurement in the Human Sciences. 2nd ed. Mahwah, NJ: Lawrence Erlbaum Associates Inc; 2007.
12. Marchetti GF, Whitney SL. Construction and validation of the 4-item Dynamic Gait Index. Phys Ther. 2006;86:1651-1660.
13. Linacre JM. Investigating rating scale category utility. Journal of Outcome Measurement. 1999;3:102-122.
14. Linacre JM. Detecting multidimensionality: Which residual data-type works best? J Outcome Meas. 1998;2:266-283.
15. Smith EV Jr. Detecting and evaluating the impact of multidimensionality using item fit statistics and principal component analysis of residuals. J Appl Meas. 2002;3:205-231.
16. Chiu Y, Fritz SL, Light KE, Velozo CA. Use of item response analysis to investigate measurement properties and clinical validity of data for the Dynamic Gait Index. Phys Ther. 2006;86:778-787.
17. Wilson M. Constructing Measures. Mahwah, NJ: Lawrence Erlbaum Associates Inc; 2005.
18. Wrisley DM, Marchetti GF, Kuharsky DK, Whitney SL. Reliability, internal consistency, and validity of data obtained with the Functional Gait Assessment. Phys Ther. 2004;84:906-918.
19. Andrich D. Rasch Models for Measurement. Newbury Park, CA: Sage; 1988.
20. Linacre JM, Heinemann AW, Wright BD, et al. The structure and stability of the Functional Independence Measure. Arch Phys Med Rehabil. 1994;75:127-132.
21. Velozo CA, Forsyth K, Kielhofner G. Objective measurement: the influence of item response theory on research and practice. In: Kielhofner G, ed. Research in Occupational Therapy. Philadelphia, PA: FA Davis Co; 2006:127-200.
22. WINSTEPS [computer program]. Version 3.70.0.3. Chicago, IL: Winsteps; 2009.
23. Statistical Package for the Social Sciences [computer program]. Version 20.0.0. Armonk, NY: IBM/SPSS; 2011.
24. Linacre JM. Categorical misfit statistics. Rasch Measurement Transactions. 1995; 9:450-451. Available at: http://www.rasch. org/rmt/rmt93j.htm. Accessed December 2, 2009.
25. Wright BD, Linacre JM. Reasonable mean square fit values. Rasch Measurement Transactions. 1994;8:370. Available at: http://www.rasch.org/rmt/rmt83b.htm. Accessed December 4, 2009.
26. Smith RM. Detecting item bias with the Rasch model. In: Smith EV, Smith RM, eds. Introduction to Rasch measurement. Maple Grove, MN: JAM Press; 2004:391-418.
27. Wright BD, Masters GN. Rating Scale Design. Chicago, IL: Mesa Press; 1982.
28. Wright BD, Masters GN. Number of person or item strata (4G+1)/3. Rasch Measurement Transactions. 2002;16:888.
29. Munkholm M, Berg B, Lofgren B, Fisher AG. Cross-regional validation of the school version of the assessment of motor and process skills. Am J Occup Ther. 2010;64: 768-775.
30. Scott NW, Fayers PM, Aaronson NK, et al. A simulation study provided sample size guidance for differential item functioning (DIF) studies using short scales. J Clin Epidemiol. 2009;62:288-295.
31. Smith RM, Miao CY. Assessing unidimensionality for Rasch measurement. In: Wilson M, ed. Objective Measurement: Theory Into Practice. Norwood, NJ: Ablex Publishing Co; 1994:316-327.
32. McHorney CA, Ware JE Jr, Lu JFR, Sherbourne D. The MOS 36-Item Short-Form Health Survey (SF-36), III: tests of data quality, scaling assumptions, and reliability across diverse patient groups. Med Care. 1994;32:40-66.
33. Wrisley DM, Walker ML, Echternach JL, Strasnick B. Reliability of the Dynamic Gait Index in people with vestibular disorders. Arch Phys Med Rehabil. 2003;84:1528-1533.
34. Walker ML, Austin GA, Banke GM, et al. Reference group data for the Functional Gait Assessment. Phys Ther. 2007;87: 1468-1477.
35. Weerdestyn V, Nienhuis B, Duysens J. Advancing age progressively affects obstacle avoidance skills in the elderly. Hum Mov Sci. 2005;24:865-880.
36. Wright B, Stone M. Measurement Essentials. 2nd ed. Wilmington, DE: Wide Range Inc; 1999.