Socioeconomic inequalities in children's health-related quality of life according to weight status

Diogo Costa*, Marina Cunha, Cláudia Ferreira, Augusta Gama, Aristides M. Machado-Rodrigues, Vítor Rosado-Marques, Larissa L. Mendes, Helena Nogueira, Milene Pessoa, Maria Raquel G. Silva, Gustavo Velasquez-Melendez, Cristina Padez

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


Objectives: This study explores the association between socioeconomic position (SEP) and health-related quality of life (HRQoL) among Portuguese children according to their weight status. Methods: A total of 1215 primary school-aged children (mean age 8.78 years) from three Portuguese districts (Lisbon, Porto, Coimbra) were assessed during 2016/2017. Father and mother's education (low, medium, high) and work status (employed, unemployed/retired) were used as SEP indicators. Self-reported HRQoL was assessed with the KIDSCREEN-27. Height and weight were objectively measured and body mass index categorized in normal, overweight or obese. Age, sex, and district-adjusted linear regression models were fitted to estimate associations between SEP indicators and HRQoL dimensions, according to weight status. Results: We found that 24.9% of children were categorized as having overweight/obesity. The mean scores of the Physical Well-Being, and School Environment dimensions of HRQoL were lower among children classified with overweight/obesity compared to children with normal weight (57.21 vs 54.11, P <.001 and 57.85 vs 56.04, P =.010, respectively). Father's education was significantly associated with all HRQoL dimensions in children with a normal weight, but the same was not observed among children presenting overweight/obesity. An increase in the level of maternal education was also significantly associated with all HRQoL dimensions among children classified with a normal weight, and only for the School Environment dimension among children classified with overweight/obesity. Conclusions: These results suggest the presence of socioeconomic inequalities in self-reported HRQoL from early age, particularly among children with normal weight.
Original languageEnglish
Article numbere23453
Pages (from-to)1-12
Number of pages12
JournalAmerican Journal of Human Biology
Issue number1
Publication statusPublished - 1 Jan 2021
Externally publishedYes


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