Abstract
BackgroundA 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.MethodsA 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.ResultsStudents 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 follow-up 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.ConclusionThe observed age and sex-related changes in school children's QoL across the six-month follow-up period should be considered in epidemiological as well as clinical research.
Highlights
A considerable gap exists in regard to longitudinal research on quality of life (QoL) in community populations of children and adolescents
Given the profound developmental changes that occur over relatively short time frames during childhood and adolescence, it is of particular concern that QoL changes in community populations of children and adolescents have been poorly examined
The results showed that only 3.6% of the total variance of the Inventory of Life Quality for Children (ILC) LQ 100 scores, and 6.5% of the total Kinder Lebensqualität Fragebogen (KINDL) Total QoL scores could be explained by differences between the cohorts in the study
Summary
A considerable gap exists in regard to longitudinal research on quality of life (QoL) in community populations of children and adolescents. For the purpose of the present study, we have defined "QoL" as "the subjective reported well-being in regard to the child's physical and mental health, self-esteem and perception of own activities (playing/having hobbies), perceived relationship to friends and family as well as to school.". Given the profound developmental changes that occur over relatively short time frames during childhood and adolescence, it is of particular concern that QoL changes in community populations of children and adolescents have been poorly examined. An important developmental task for adolescents is to achieve psychological independence from parents, while maintaining connectedness with them [3], possibly having a negative impact on family-related QoL
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