A simple test of choice stepping reaction time for assessing fall risk in people with multiple sclerosis

Journal article


Tijsma, Mylou, Vister, Eva, Hoang, Phu and Lord, Stephen R.. (2017). A simple test of choice stepping reaction time for assessing fall risk in people with multiple sclerosis. Disability and Rehabilitation. 39(6), pp. 601 - 607. https://doi.org/10.3109/09638288.2016.1148784
AuthorsTijsma, Mylou, Vister, Eva, Hoang, Phu and Lord, Stephen R.
Abstract

Purpose To determine (a) the discriminant validity for established fall risk factors and (b) the predictive validity for falls of a simple test of choice stepping reaction time (CSRT) in people with multiple sclerosis (MS). MethodPeople with MS (n = 210, 21–74y) performed the CSRT, sensorimotor, balance and neuropsychological tests in a single session. They were then followed up for falls using monthly fall diaries for 6 months. Results The CSRT test had excellent discriminant validity with respect to established fall risk factors. Frequent fallers (≥3 falls) performed significantly worse in the CSRT test than non-frequent fallers (0–2 falls). With the odds of suffering frequent falls increasing 69% with each SD increase in CSRT (OR = 1.69, 95% CI: 1.27–2.26, p =  < 0.001). In regression analysis, CSRT was best explained by sway, time to complete the 9-Hole Peg test, knee extension strength of the weaker leg, proprioception and the time to complete the Trails B test (multiple R2  =  0.449, p  <  0.001). Conclusions A simple low tech CSRT test has excellent discriminative and predictive validity in relation to falls in people with MS. This test may prove useful in documenting longitudinal changes in fall risk in relation to MS disease progression and effects of interventions.

Keywordsaccidental falls; postural balance; risk factors; validation studies
Year2017
JournalDisability and Rehabilitation
Journal citation39 (6), pp. 601 - 607
PublisherTaylor & Francis
ISSN0963-8288
Digital Object Identifier (DOI)https://doi.org/10.3109/09638288.2016.1148784
Scopus EID2-s2.0-84961198396
Page range601 - 607
Research GroupSports Performance, Recovery, Injury and New Technologies (SPRINT) Research Centre
Publisher's version
File Access Level
Controlled
Place of publicationUnited Kingdom
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