The Rivermead Mobility Index Allows Valid Comparisons Between Subgroups of Patients Undergoing Rehabilitation After Stroke Who Differ With Respect to Age, Sex, or Side of Lesion

Leo D. Roorda; John R. Green; Annemieke Houwink; Pam J. Bagley; Jane Smith; Ivo W. Molenaar; Alexander C. Geurts

doi:10.1016/j.apmr.2011.12.015

The Rivermead Mobility Index Allows Valid Comparisons Between Subgroups of Patients Undergoing Rehabilitation After Stroke Who Differ With Respect to Age, Sex, or Side of Lesion

Leo D. Roorda^*, John R. Green, Annemieke Houwink, Pam J. Bagley, Jane Smith, Ivo W. Molenaar, Alexander C. Geurts

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

Roorda LD, Green JR, Houwink A, Bagley PJ, Smith J, Molenaar IW, Geurts AC. The Rivermead Mobility index allows valid comparisons between subgroups of patients undergoing rehabilitation after stroke who differ with respect to age, sex, or side of lesion. Arch Phys Med Rehabil 2012;93:1086-90.

Objective: To investigate differential item functioning or item bias of the Rivermead Mobility Index (RMI) and its impact on the drawing of valid comparisons with the RMI between subgroups of patients after stroke who differ with respect to age, sex, or side of lesion.

Design: Cross-sectional study.

Setting: A rehabilitation center in the Netherlands and 2 stroke rehabilitation units and the wider community in the United Kingdom.

Participants: The RMI was completed for patients undergoing rehabilitation after stroke (N=620; mean age +/- SD, 69.2 +/- 12.5y; 297 [48%] men; 269 [43%] right hemisphere lesion, and 304 [49%] left hemisphere lesion).

Interventions: Not applicable.

Main Outcome Measures: Mokken scale analysis was used to investigate differential item functioning of the RMI between subgroups of patients who differed with respect to age (young vs older), sex (men vs women), and side of stroke lesion (right vs left hemisphere).

Results: No differential item functioning was found for any of the comparison subgroups.

Conclusions: The RMI allows valid comparisons to be made between subgroups of patients undergoing rehabilitation after stroke who differ with respect to age, sex, or side of lesion.

Original language	English
Pages (from-to)	1086-1090
Number of pages	5
Journal	Archives of Physical Medicine and Rehabilitation
Volume	93
Issue number	6
DOIs	https://doi.org/10.1016/j.apmr.2011.12.015
Publication status	Published - Jun-2012

Keywords

Activities of daily living
Disability evaluation
Mobility limitation
Psychometrics
Rehabilitation
Stroke
MEASURING ACTIVITY LIMITATIONS
LOWER-EXTREMITY DISORDERS
TEST-RETEST RELIABILITY
PSYCHOMETRIC PROPERTIES
INPATIENT REHABILITATION
HIERARCHICAL SCALE
PROSPECTIVE COHORT
WALKING
TRIAL
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Roorda, L. D., Green, J. R., Houwink, A., Bagley, P. J., Smith, J., Molenaar, I. W., & Geurts, A. C. (2012). The Rivermead Mobility Index Allows Valid Comparisons Between Subgroups of Patients Undergoing Rehabilitation After Stroke Who Differ With Respect to Age, Sex, or Side of Lesion. Archives of Physical Medicine and Rehabilitation, 93(6), 1086-1090. https://doi.org/10.1016/j.apmr.2011.12.015

@article{40a0f1d365af4cc19ebbd66c4aedfdda,

title = "The Rivermead Mobility Index Allows Valid Comparisons Between Subgroups of Patients Undergoing Rehabilitation After Stroke Who Differ With Respect to Age, Sex, or Side of Lesion",

abstract = "Roorda LD, Green JR, Houwink A, Bagley PJ, Smith J, Molenaar IW, Geurts AC. The Rivermead Mobility index allows valid comparisons between subgroups of patients undergoing rehabilitation after stroke who differ with respect to age, sex, or side of lesion. Arch Phys Med Rehabil 2012;93:1086-90.Objective: To investigate differential item functioning or item bias of the Rivermead Mobility Index (RMI) and its impact on the drawing of valid comparisons with the RMI between subgroups of patients after stroke who differ with respect to age, sex, or side of lesion.Design: Cross-sectional study.Setting: A rehabilitation center in the Netherlands and 2 stroke rehabilitation units and the wider community in the United Kingdom.Participants: The RMI was completed for patients undergoing rehabilitation after stroke (N=620; mean age +/- SD, 69.2 +/- 12.5y; 297 [48%] men; 269 [43%] right hemisphere lesion, and 304 [49%] left hemisphere lesion).Interventions: Not applicable.Main Outcome Measures: Mokken scale analysis was used to investigate differential item functioning of the RMI between subgroups of patients who differed with respect to age (young vs older), sex (men vs women), and side of stroke lesion (right vs left hemisphere).Results: No differential item functioning was found for any of the comparison subgroups.Conclusions: The RMI allows valid comparisons to be made between subgroups of patients undergoing rehabilitation after stroke who differ with respect to age, sex, or side of lesion.",

keywords = "Activities of daily living, Disability evaluation, Mobility limitation, Psychometrics, Rehabilitation, Stroke, MEASURING ACTIVITY LIMITATIONS, LOWER-EXTREMITY DISORDERS, TEST-RETEST RELIABILITY, PSYCHOMETRIC PROPERTIES, INPATIENT REHABILITATION, HIERARCHICAL SCALE, PROSPECTIVE COHORT, WALKING, TRIAL, HOME",

author = "Roorda, {Leo D.} and Green, {John R.} and Annemieke Houwink and Bagley, {Pam J.} and Jane Smith and Molenaar, {Ivo W.} and Geurts, {Alexander C.}",

year = "2012",

month = jun,

doi = "10.1016/j.apmr.2011.12.015",

language = "English",

volume = "93",

pages = "1086--1090",

journal = "Archives of Physical Medicine and Rehabilitation",

issn = "0003-9993",

publisher = "W B SAUNDERS CO-ELSEVIER INC",

number = "6",

}

Roorda, LD, Green, JR, Houwink, A, Bagley, PJ, Smith, J, Molenaar, IW & Geurts, AC 2012, 'The Rivermead Mobility Index Allows Valid Comparisons Between Subgroups of Patients Undergoing Rehabilitation After Stroke Who Differ With Respect to Age, Sex, or Side of Lesion', Archives of Physical Medicine and Rehabilitation, vol. 93, no. 6, pp. 1086-1090. https://doi.org/10.1016/j.apmr.2011.12.015

The Rivermead Mobility Index Allows Valid Comparisons Between Subgroups of Patients Undergoing Rehabilitation After Stroke Who Differ With Respect to Age, Sex, or Side of Lesion. / Roorda, Leo D.; Green, John R.; Houwink, Annemieke et al.
In: Archives of Physical Medicine and Rehabilitation, Vol. 93, No. 6, 06.2012, p. 1086-1090.

Research output: Contribution to journal › Article › Academic › peer-review

TY - JOUR

T1 - The Rivermead Mobility Index Allows Valid Comparisons Between Subgroups of Patients Undergoing Rehabilitation After Stroke Who Differ With Respect to Age, Sex, or Side of Lesion

AU - Roorda, Leo D.

AU - Green, John R.

AU - Houwink, Annemieke

AU - Bagley, Pam J.

AU - Smith, Jane

AU - Molenaar, Ivo W.

AU - Geurts, Alexander C.

PY - 2012/6

Y1 - 2012/6

N2 - Roorda LD, Green JR, Houwink A, Bagley PJ, Smith J, Molenaar IW, Geurts AC. The Rivermead Mobility index allows valid comparisons between subgroups of patients undergoing rehabilitation after stroke who differ with respect to age, sex, or side of lesion. Arch Phys Med Rehabil 2012;93:1086-90.Objective: To investigate differential item functioning or item bias of the Rivermead Mobility Index (RMI) and its impact on the drawing of valid comparisons with the RMI between subgroups of patients after stroke who differ with respect to age, sex, or side of lesion.Design: Cross-sectional study.Setting: A rehabilitation center in the Netherlands and 2 stroke rehabilitation units and the wider community in the United Kingdom.Participants: The RMI was completed for patients undergoing rehabilitation after stroke (N=620; mean age +/- SD, 69.2 +/- 12.5y; 297 [48%] men; 269 [43%] right hemisphere lesion, and 304 [49%] left hemisphere lesion).Interventions: Not applicable.Main Outcome Measures: Mokken scale analysis was used to investigate differential item functioning of the RMI between subgroups of patients who differed with respect to age (young vs older), sex (men vs women), and side of stroke lesion (right vs left hemisphere).Results: No differential item functioning was found for any of the comparison subgroups.Conclusions: The RMI allows valid comparisons to be made between subgroups of patients undergoing rehabilitation after stroke who differ with respect to age, sex, or side of lesion.

AB - Roorda LD, Green JR, Houwink A, Bagley PJ, Smith J, Molenaar IW, Geurts AC. The Rivermead Mobility index allows valid comparisons between subgroups of patients undergoing rehabilitation after stroke who differ with respect to age, sex, or side of lesion. Arch Phys Med Rehabil 2012;93:1086-90.Objective: To investigate differential item functioning or item bias of the Rivermead Mobility Index (RMI) and its impact on the drawing of valid comparisons with the RMI between subgroups of patients after stroke who differ with respect to age, sex, or side of lesion.Design: Cross-sectional study.Setting: A rehabilitation center in the Netherlands and 2 stroke rehabilitation units and the wider community in the United Kingdom.Participants: The RMI was completed for patients undergoing rehabilitation after stroke (N=620; mean age +/- SD, 69.2 +/- 12.5y; 297 [48%] men; 269 [43%] right hemisphere lesion, and 304 [49%] left hemisphere lesion).Interventions: Not applicable.Main Outcome Measures: Mokken scale analysis was used to investigate differential item functioning of the RMI between subgroups of patients who differed with respect to age (young vs older), sex (men vs women), and side of stroke lesion (right vs left hemisphere).Results: No differential item functioning was found for any of the comparison subgroups.Conclusions: The RMI allows valid comparisons to be made between subgroups of patients undergoing rehabilitation after stroke who differ with respect to age, sex, or side of lesion.

KW - Activities of daily living

KW - Disability evaluation

KW - Mobility limitation

KW - Psychometrics

KW - Rehabilitation

KW - Stroke

KW - MEASURING ACTIVITY LIMITATIONS

KW - LOWER-EXTREMITY DISORDERS

KW - TEST-RETEST RELIABILITY

KW - PSYCHOMETRIC PROPERTIES

KW - INPATIENT REHABILITATION

KW - HIERARCHICAL SCALE

KW - PROSPECTIVE COHORT

KW - WALKING

KW - TRIAL

KW - HOME

U2 - 10.1016/j.apmr.2011.12.015

DO - 10.1016/j.apmr.2011.12.015

M3 - Article

C2 - 22464740

SN - 0003-9993

VL - 93

SP - 1086

EP - 1090

JO - Archives of Physical Medicine and Rehabilitation

JF - Archives of Physical Medicine and Rehabilitation

IS - 6

ER -

The Rivermead Mobility Index Allows Valid Comparisons Between Subgroups of Patients Undergoing Rehabilitation After Stroke Who Differ With Respect to Age, Sex, or Side of Lesion

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