Quality of life for adolescents: assessing measurement properties using structural equation modelling.

Full Abstract

Assessments for quality of life (QOL) of the adolescent have received relatively little attention in the literature. Although there is no consensus on the definition of adolescent QOL and what aspects should be measured, it is generally accepted that QOL is a multidimensional construct. The objective of this study is to determine the measurement properties of the latent factors underlying adolescent QOL based on a second-order confirmatory factor analysis (CFA). A recursive structural equation model (SEM) is then proposed to determine the direction and magnitude of the interdependent effects among the latent factors. The questionnaire used was the Quality of Life Profile-Adolescent Version (QOLPAV). A sample of 363 adolescents was recruited from 20 secondary schools in Perth, Australia. The second-order CFA suggested that adolescent QOL may be measured by five underlying constructs namely social, environment, psychological, health, and opportunities for growth. The interdependent relations among these constructs identified the environment factor as primary, exerting both direct and indirect effects on the other four factors.

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Author information

Author/s: Meuleners, Lynn B (LB); Lee, Andy H (AH); Binns, Colin W (CW); Lower, Anthony (A);

Affiliation: School of Public Health, Curtin University of Technology, Perth, WA, Australia.

Journal and publication information

Publication Type: Journal Article

Journal: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (Qual Life Res), published in Netherlands. (Language: eng)

Reference: 2003-May; vol 12 (issue 3) : pp 283-90

Dates: Created 2003/05/28; Completed 2003/06/26; Revised 2004/11/17;

PMID: 12769141, status: MEDLINE (last retrieval date: 11/6/2008)

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