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Test-retest reliability, smallest real difference and concurrent validity of six different balance tests on young people with mild to moderate intellectual disability
Swedish Development Centre for Disability Sport, Box 1002, SE-821 11 Bollnäs, Sweden; Department of Community Medicine and Rehabilitation, Physiotherapy, Umea University, Umea, Sweden.
Department of Research and Evaluation, Swedish National Agency for Education, Stockholm, Sweden .
Department of Community Medicine and Rehabilitation, Physiotherapy, Umea University, Umea, Sweden .
Department of Community Medicine and Rehabilitation, Physiotherapy, Umea University, Umea, Sweden .
2012 (English)In: Physiotherapy, ISSN 0031-9406, E-ISSN 1873-1465, Vol. 98, no 4, 313-319 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES:

Some studies have reported that people with intellectual disability may have reduced balance ability compared with the population in general. However, none of these studies involved adolescents, and the reliability and validity of balance tests in this population are not known. The purpose of this study was to examine the reliability of six different balance tests and to investigate their concurrent validity.

DESIGN:

Test-retest reliability assessment.

SETTINGS:

All subjects were recruited from a special school for people with intellectual disability in Bollnäs, Sweden.

PARTICIPANTS:

Eighty-nine adolescents (35 females and 54 males) with mild to moderate intellectual disability with a mean age of 18 years (range 16 to 20 years).

INTERVENTIONS:

All subjects followed the same test protocol on two occasions within an 11-day period.

MAIN OUTCOMES:

Balance test performances.

RESULTS:

Intraclass correlation coefficients greater than 0.80 were achieved for four of the balance tests: Extended Timed Up and Go Test, Modified Functional Reach Test, One-leg Stance Test and Force Platform Test. The smallest real differences ranged from 12% to 40%; less than 20% is considered to be low. Concurrent validity among these balance tests varied between no and low correlation.

CONCLUSION:

The results indicate that these tests could be used to evaluate changes in balance ability over time in people with mild to moderate intellectual disability. The low concurrent validity illustrates the importance of knowing more about the influence of various sensory subsystems that are significant for balance among adolescents with intellectual disability.

Place, publisher, year, edition, pages
2012. Vol. 98, no 4, 313-319 p.
Keyword [en]
Functional reach, ICC, Intellectual disability, Postural balance, Timed up and go
National Category
Other Medical Sciences not elsewhere specified
Identifiers
URN: urn:nbn:se:hig:diva-18190DOI: 10.1016/j.physio.2011.05.006ISI: 000310580900007PubMedID: 23122437Scopus ID: 2-s2.0-84868205807OAI: oai:DiVA.org:hig-18190DiVA: diva2:766262
Available from: 2014-11-26 Created: 2014-11-26 Last updated: 2017-12-05Bibliographically approved

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