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Does anthropometric and fitness parameters mediate the effect of exercise on the HRQoL of overweight and obese children/adolescents?

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Abstract

Background

There is sufficient evidence about the effects of physical exercise programs on health-related quality of life (HRQoL) in obese and overweight children.

Objectives

The purpose of this study was to observe the effects on physical fitness and HRQoL in overweight and obesity children and their parents and find out whether the effect of intervention on anthropometric and physical fitness parameters mediated the improvements found in the proxies’ perception of participant quality of life.

Methods

151 overweight and obese children (106 intervention and 45 control) participated in a public exercise program. Anthropometrics characteristics, physical fitness, and HRQoL (EQ-5D-Y) were measured. Analysis of Covariance and effect size were performed to analyze the improvement. Mediation analyzed with bootstrap to observe whether anthropometric or physical fitness improvements mediate of the changes in the proxies’ assessment of HRQoL.

Results

Significant improvements were found in waist circumference, physical fitness, and HRQoL. The improvement of waist circumference showed a significant indirect effect on the change in the proxy perception of quality of life.

Conclusion

The reduction of waist circumference mediates the change on proxies’ perception of quality of life and not by the improvement in physical fitness. Trial registration: ISRCTN97887613

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Funding

The research has international registration (ISRCTN97887613) and was funded by University of Extremadura and Health & Dependence Department and Young & Sports Department of Junta de Extremadura. (Ref. 118/06) (Spain).

Author information

Authors and Affiliations

  1. Faculty of Sport Sciences, University of Extremadura, Av/ Universidad s/n., 10007, Cáceres, Spain

    Miguel A. Perez-Sousa & Narcis Gusi

  2. Instituto de actividad física y salud, Universidad Autonoma de Chile, Talca, Chile

    Pedro R. Olivares

  3. Facultad de Ciencias Médicas, Laboratorio de Ciencias de la Actividad Física, el Deporte y la Salud, Universidad de Santiago de Chile, USACH, Santiago, Chile

    Antonio Garcia-Hermoso

Authors
  1. Miguel A. Perez-Sousa
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  2. Pedro R. Olivares
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  3. Antonio Garcia-Hermoso
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  4. Narcis Gusi
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Contributions

All authors participated in the research as well as the preparation of the manuscript.

Corresponding author

Correspondence to Miguel A. Perez-Sousa.

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Conflict of interest

The authors declare no conflict of interest.

Ethical approval

The study was approved by the Bioethical Committee of the University of Extremadura on 31 October 2007 (Ref: 98/2007). All authors know and ensure that the ethical principles proposed in the Helsinki Declaration and subsequent reviews for human studies have been fulfilled and that they guarantee the privacy and confidentiality of patient data at all times.

Informed consent

The subjects agreed to the study terms signing an informed consent document.

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Perez-Sousa, M.A., Olivares, P.R., Garcia-Hermoso, A. et al. Does anthropometric and fitness parameters mediate the effect of exercise on the HRQoL of overweight and obese children/adolescents?. Qual Life Res 27, 2305–2312 (2018). https://doi.org/10.1007/s11136-018-1893-5

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  • DOI: https://doi.org/10.1007/s11136-018-1893-5

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