Changes in quality of life among Norwegian school children: a six-month follow-up study
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Changes in quality of life among Norwegian school children: a six-month follow-up study Thomas Jozefiak*1,2, Bo Larsson1 and Lars Wichstrøm3 Address: 1The Norwegian University of Technology and Science (NTNU), Regional Centre of Child and Adolescent Mental Health, MTFS N-7489, Trondheim, Norway, 2Department of Child and Adolescent Psychiatry, St Olavs Hospital, N-7433 Trondheim, Norway and 3The Norwegian University of Technology and Science (NTNU), Department of Psychology, N-7491 Trondheim, Norway Email: Thomas Jozefiak* - [email protected]; Bo Larsson - [email protected]; Lars Wichstrøm - [email protected] * Corresponding author
Published: 4 February 2009 Health and Quality of Life Outcomes 2009, 7:7
doi:10.1186/1477-7525-7-7
Received: 2 May 2008 Accepted: 4 February 2009
This article is available from: http://www.hqlo.com/content/7/1/7 © 2009 Jozefiak et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract Background: A considerable gap exists in regard to longitudinal research on quality of life (QoL) in community populations of children and adolescents. Changes and stability of QoL have been poorly examined, despite the fact that children and adolescents undergo profound developmental changes. The aims of the study were to investigate short-term changes in student QoL with regard to sex and age in a school-based sample. Methods: A representative Norwegian sample of 1,821 school children, aged 8–16 years and their parents were tested at baseline and 6 months later, using the Inventory of Life Quality for Children and Adolescents (ILC) and the Kinder Lebensqualität Fragebogen (KINDL). Student response rate at baseline was 71.2% and attrition over the follow-up period was 4.6%, and 1,336 parents (70%) completed the follow-up. Change scores between baseline and follow-up evaluations were analysed by means of ANCOVA in regard to sex and age effects. Results: Students in the 8th grade reported a decrease in QoL over the six-month follow-up period as compared to those in the 6th grade with regard to Family and School domains and total QoL on the KINDL. For emotional well-being a significant linear decrease in QoL across grades 6th to 10th was observed. However, student ratings on the Friends and Self-esteem domains did not change significantly by age. Girls reported a higher decrease in their QoL across all grades over the followup period than did boys in respect of Self-esteem on the KINDL, and an age-related decrease in total QoL between 6th and 8th grade on the ILC. Parent reports of changes in child QoL were nonsignificant on most of the domains. Conclusion: The observed age and sex-related changes in school children's QoL across the sixmonth follow-up period should be considered in epidemiologica
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