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Validation of the Flemish version of the Quality of Life in Short Stature Youth (QoLISSY) questionnaire

(2014) ACTA CLINICA BELGICA. 69(3). p.177-182
Author
Organization
Abstract
Objectives: The Quality of Life in Short Stature Youth (QoLISSY) questionnaire was recently developed in five European countries to assess health-related quality of life in children and adolescents with idiopathic short stature or growth hormone deficiency from child and parent perspectives. In addition to the existing French version, a Flemish version is needed for use of QoLISSY in the Flemish speaking part of Belgium. Methods: Children (8-18 years) and their parents recruited from two Belgian paediatric endocrinology clinics completed the QoLISSY in a cross-sectional study. Cronbach's Alpha and test-retest reliability was assessed. Validity was examined by correlation with the generic KIDSCREEN questionnaire as well as by group comparisons according to diagnostic and treatment status. Results: The QoLISSY scales had an acceptable internal consistency with Cronbach's Alpha ranging from 0.80 to 0.94 (child version) and from 0.77 to 0.92 (parent version). Test-retest reliability correlation coefficients ranged from r=0.75 to 0.89 in the child version and from r=0.58 to 0.85 in the parent version. Moderate correlations with the generic KIDSCREEN questionnaire suggested construct validity. Differences between child groups according to child age, underlying diagnosis, and degree of height deficit were found. Correlations with the European QoLISSY were significant for all scales. Discussion: The Flemish QoLISSY instrument is a psychometrically sound, reliable, and valid short stature specific questionnaire measuring health-related quality of life. It is expected to be of great use in upcoming clinical research on growth disorders and growth hormone treatment in Belgium and Europe.
Keywords
CHILDREN, Questionnaire development, Psychometric properties, Quality of life, Children, ADOLESCENTS, IDIOPATHIC SHORT STATURE, Short stature

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Citation

Please use this url to cite or link to this publication:

MLA
Rohenkohl, AC et al. “Validation of the Flemish Version of the Quality of Life in Short Stature Youth (QoLISSY) Questionnaire.” ACTA CLINICA BELGICA 69.3 (2014): 177–182. Print.
APA
Rohenkohl, A., De Schepper, J., Vanderfaeillie, J., Fricke, K., Hendrickx, S., Lagrou, K., Bullinger, M., et al. (2014). Validation of the Flemish version of the Quality of Life in Short Stature Youth (QoLISSY) questionnaire. ACTA CLINICA BELGICA, 69(3), 177–182.
Chicago author-date
Rohenkohl, AC, Jean De Schepper, J Vanderfaeillie, K Fricke, S Hendrickx, K Lagrou, M Bullinger, and J Quitmann. 2014. “Validation of the Flemish Version of the Quality of Life in Short Stature Youth (QoLISSY) Questionnaire.” Acta Clinica Belgica 69 (3): 177–182.
Chicago author-date (all authors)
Rohenkohl, AC, Jean De Schepper, J Vanderfaeillie, K Fricke, S Hendrickx, K Lagrou, M Bullinger, and J Quitmann. 2014. “Validation of the Flemish Version of the Quality of Life in Short Stature Youth (QoLISSY) Questionnaire.” Acta Clinica Belgica 69 (3): 177–182.
Vancouver
1.
Rohenkohl A, De Schepper J, Vanderfaeillie J, Fricke K, Hendrickx S, Lagrou K, et al. Validation of the Flemish version of the Quality of Life in Short Stature Youth (QoLISSY) questionnaire. ACTA CLINICA BELGICA. 2014;69(3):177–82.
IEEE
[1]
A. Rohenkohl et al., “Validation of the Flemish version of the Quality of Life in Short Stature Youth (QoLISSY) questionnaire,” ACTA CLINICA BELGICA, vol. 69, no. 3, pp. 177–182, 2014.
@article{5912800,
  abstract     = {Objectives: The Quality of Life in Short Stature Youth (QoLISSY) questionnaire was recently developed in five European countries to assess health-related quality of life in children and adolescents with idiopathic short stature or growth hormone deficiency from child and parent perspectives. In addition to the existing French version, a Flemish version is needed for use of QoLISSY in the Flemish speaking part of Belgium. 
Methods: Children (8-18 years) and their parents recruited from two Belgian paediatric endocrinology clinics completed the QoLISSY in a cross-sectional study. Cronbach's Alpha and test-retest reliability was assessed. Validity was examined by correlation with the generic KIDSCREEN questionnaire as well as by group comparisons according to diagnostic and treatment status. 
Results: The QoLISSY scales had an acceptable internal consistency with Cronbach's Alpha ranging from 0.80 to 0.94 (child version) and from 0.77 to 0.92 (parent version). Test-retest reliability correlation coefficients ranged from r=0.75 to 0.89 in the child version and from r=0.58 to 0.85 in the parent version. Moderate correlations with the generic KIDSCREEN questionnaire suggested construct validity. Differences between child groups according to child age, underlying diagnosis, and degree of height deficit were found. Correlations with the European QoLISSY were significant for all scales. 
Discussion: The Flemish QoLISSY instrument is a psychometrically sound, reliable, and valid short stature specific questionnaire measuring health-related quality of life. It is expected to be of great use in upcoming clinical research on growth disorders and growth hormone treatment in Belgium and Europe.},
  author       = {Rohenkohl, AC and De Schepper, Jean and Vanderfaeillie, J and Fricke, K and Hendrickx, S and Lagrou, K and Bullinger, M and Quitmann, J},
  issn         = {1784-3286},
  journal      = {ACTA CLINICA BELGICA},
  keywords     = {CHILDREN,Questionnaire development,Psychometric properties,Quality of life,Children,ADOLESCENTS,IDIOPATHIC SHORT STATURE,Short stature},
  language     = {eng},
  number       = {3},
  pages        = {177--182},
  title        = {Validation of the Flemish version of the Quality of Life in Short Stature Youth (QoLISSY) questionnaire},
  url          = {http://dx.doi.org/10.1179/2295333714Y.0000000024},
  volume       = {69},
  year         = {2014},
}

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