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Health and Quality of Life Outcomes
Published in: Health and Quality of Life Outcomes 1/2010

Open Access 01-12-2010 | Research

Self-reported physical and mental health status and quality of life in adolescents: a latent variable mediation model

Authors: Richard Sawatzky, Pamela A Ratner, Joy L Johnson, Jacek A Kopec, Bruno D Zumbo

Published in: Health and Quality of Life Outcomes | Issue 1/2010

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Abstract

Background

We examined adolescents' differentiation of their self-reported physical and mental health status, the relative importance of these variables and five important life domains (satisfaction with family, friends, living environment, school and self) with respect to adolescents' global quality of life (QOL), and the extent to which the five life domains mediate the relationships between self-reported physical and mental health status and global QOL.

Methods

The data were obtained via a cross-sectional health survey of 8,225 adolescents in 49 schools in British Columbia, Canada. Structural equation modeling was applied to test the implied latent variable mediation model. The Pratt index (d) was used to evaluate variable importance.

Results

Relative to one another, self-reported mental health status was found to be more strongly associated with depressive symptoms, and self-reported physical health status more strongly associated with physical activity. Self-reported physical and mental health status and the five life domains explained 76% of the variance in global QOL. Relatively poorer mental health and physical health were significantly associated with lower satisfaction in each of the life domains. Global QOL was predominantly explained by three of the variables: mental health status (d = 30%), satisfaction with self (d = 42%), and satisfaction with family (d = 20%). Satisfaction with self and family were the predominant mediators of mental health and global QOL (45% total mediation), and of physical health and global QOL (68% total mediation).

Conclusions

This study provides support for the validity and relevance of differentiating self-reported physical and mental health status in adolescent health surveys. Self-reported mental health status and, to a lesser extent, self-reported physical health status were associated with significant differences in the adolescents' satisfaction with their family, friends, living environment, school experiences, self, and their global QOL. Questions about adolescents' self-reported physical and mental health status and their experiences with these life domains require more research attention so as to target appropriate supportive services, particularly for adolescents with mental or physical health challenges.
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Metadata
Title
Self-reported physical and mental health status and quality of life in adolescents: a latent variable mediation model
Authors
Richard Sawatzky
Pamela A Ratner
Joy L Johnson
Jacek A Kopec
Bruno D Zumbo
Publication date
01-12-2010
Publisher
BioMed Central
Published in
Health and Quality of Life Outcomes / Issue 1/2010
Electronic ISSN: 1477-7525
DOI
https://doi.org/10.1186/1477-7525-8-17

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