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Reproducibility, validity and predictors of six-minute walk test in overweight and obese adolescents with intellectual disability

Sami Elmahgoub UGent, Annemie Van De Velde UGent, Wim Peersman UGent, Dirk Cambier UGent and Patrick Calders UGent (2012) DISABILITY AND REHABILITATION. 34(10). p.846-851
abstract
Objectives: To assess the reproducibility and validity of the six-minute walk test (6MWT) and predictors of the six-minute walk distance (6MWD) in adolescents with overweight or obesity and intellectual disability (ID). Study design: Sixty-one adolescents with overweight or obesity and mild-to-moderate ID (intelligent quotient [IQ] 40-70; age 14-22 years) participated in this study. To test reproducibility, 39 of the participants performed the 6MWT twice with an interval of 1 week. To test validity (n = 39), peak oxygen uptake (peak VO2) was measured on a bicycle ergometer. For the predictor study (n = 61), weight, height, peak VO2 and quadriceps strength were measured, and IQ and orthopedic conditions were collected from the participants' medical records. Results: There was no significant difference between the means of the two 6MWTs (571.3 vs. 576.5 m; p = 0.452). The intraclass correlation coefficient was 0.82, indicating good reliability. The smallest real difference was 82.6 m. 6MWD correlated significantly with relative peak VO2 (beta = 0.69) indicating validity. Relative peak VO2, height, IQ, body mass index (BMI) and quadriceps strength are predictors of the 6MWD in this population. Conclusion: 6MWT is a reliable and valid test in adolescents with overweight or obesity and ID. Low IQ, overweight/obesity and low physical fitness contribute to the outcome of the 6MWT.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
MENTAL-RETARDATION, DOWN-SYNDROME, six-minute walk distance, reliability, peak oxygen consumption, Cardiorespiratory fitness, CARDIOVASCULAR FITNESS, HEALTHY-CHILDREN, EXERCISE, INDIVIDUALS, ADULTS, RELIABILITY, RESISTANCE
journal title
DISABILITY AND REHABILITATION
Disabil. Rehabil.
volume
34
issue
10
pages
846 - 851
Web of Science type
Article
Web of Science id
000302320200008
JCR category
REHABILITATION
JCR impact factor
1.541 (2012)
JCR rank
25/63 (2012)
JCR quartile
2 (2012)
ISSN
0963-8288
DOI
10.3109/09638288.2011.623757
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1978343
handle
http://hdl.handle.net/1854/LU-1978343
date created
2012-01-04 15:50:43
date last changed
2012-09-24 15:10:08
@article{1978343,
  abstract     = {Objectives: To assess the reproducibility and validity of the six-minute walk test (6MWT) and predictors of the six-minute walk distance (6MWD) in adolescents with overweight or obesity and intellectual disability (ID).
Study design: Sixty-one adolescents with overweight or obesity and mild-to-moderate ID (intelligent quotient [IQ] 40-70; age 14-22 years) participated in this study. To test reproducibility, 39 of the participants performed the 6MWT twice with an interval of 1 week. To test validity (n = 39), peak oxygen uptake (peak VO2) was measured on a bicycle ergometer. For the predictor study (n = 61), weight, height, peak VO2 and quadriceps strength were measured, and IQ and orthopedic conditions were collected from the participants' medical records.
Results: There was no significant difference between the means of the two 6MWTs (571.3 vs. 576.5 m; p = 0.452). The intraclass correlation coefficient was 0.82, indicating good reliability. The smallest real difference was 82.6 m. 6MWD correlated significantly with relative peak VO2 (beta = 0.69) indicating validity. Relative peak VO2, height, IQ, body mass index (BMI) and quadriceps strength are predictors of the 6MWD in this population.
Conclusion: 6MWT is a reliable and valid test in adolescents with overweight or obesity and ID. Low IQ, overweight/obesity and low physical fitness contribute to the outcome of the 6MWT.},
  author       = {Elmahgoub, Sami and Van De Velde, Annemie and Peersman, Wim and Cambier, Dirk and Calders, Patrick},
  issn         = {0963-8288},
  journal      = {DISABILITY AND REHABILITATION},
  keyword      = {MENTAL-RETARDATION,DOWN-SYNDROME,six-minute walk distance,reliability,peak oxygen consumption,Cardiorespiratory fitness,CARDIOVASCULAR FITNESS,HEALTHY-CHILDREN,EXERCISE,INDIVIDUALS,ADULTS,RELIABILITY,RESISTANCE},
  language     = {eng},
  number       = {10},
  pages        = {846--851},
  title        = {Reproducibility, validity and predictors of six-minute walk test in overweight and obese adolescents with intellectual disability},
  url          = {http://dx.doi.org/10.3109/09638288.2011.623757},
  volume       = {34},
  year         = {2012},
}

Chicago
Elmahgoub, Sami, Annemie Van De Velde, Wim Peersman, Dirk Cambier, and Patrick Calders. 2012. “Reproducibility, Validity and Predictors of Six-minute Walk Test in Overweight and Obese Adolescents with Intellectual Disability.” Disability and Rehabilitation 34 (10): 846–851.
APA
Elmahgoub, S., Van De Velde, A., Peersman, W., Cambier, D., & Calders, P. (2012). Reproducibility, validity and predictors of six-minute walk test in overweight and obese adolescents with intellectual disability. DISABILITY AND REHABILITATION, 34(10), 846–851.
Vancouver
1.
Elmahgoub S, Van De Velde A, Peersman W, Cambier D, Calders P. Reproducibility, validity and predictors of six-minute walk test in overweight and obese adolescents with intellectual disability. DISABILITY AND REHABILITATION. 2012;34(10):846–51.
MLA
Elmahgoub, Sami, Annemie Van De Velde, Wim Peersman, et al. “Reproducibility, Validity and Predictors of Six-minute Walk Test in Overweight and Obese Adolescents with Intellectual Disability.” DISABILITY AND REHABILITATION 34.10 (2012): 846–851. Print.