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Fitness as mediator between weight status and dimensions of health-related quality of life

dc.contributor.authorPerez-Sousa M.A.
dc.contributor.authorOlivares P.R.
dc.contributor.authorEscobar-Alvarez J.A.
dc.contributor.authorParraça J.A.
dc.contributor.authorGusi N.
dc.date.accessioned2020-09-02T22:25:47Z
dc.date.available2020-09-02T22:25:47Z
dc.date.issued2018
dc.identifier10.1186/s12955-018-0981-0
dc.identifier.citation16, 1, -
dc.identifier.issn14777525
dc.identifier.urihttps://hdl.handle.net/20.500.12728/5778
dc.descriptionBackground: There is evidence that overweight and obesity in children is associated with poor Physical Fitness and consequently lower Health-related Quality of Life (HRQoL). However, this linear-causal relationship between Weight Status → Physical Fitness → HRQoL is not enough to fully understand this phenomenon. Therefore, need to know, through mediation analysis, how operate the Physical Fitness between weight status and HRQoL dimensions. Purpose: The aim of this study was to determine which HRQoL dimensions are mediated through Physical Fitness in obese (including overweight) and normal weight children. The study also examined the association between Physical Fitness, Body Mass Index (BMI) and HRQoL. Methods: A total of 233 overweight/obese children and 105 normal-weight children participated in the study. Children were recruited from public educational centers and a public weight loss program. BMI, Physical Fitness (upper limb, central body and lower limb strength; agility and range of motion) and HRQoL (PedsQL and VAS) were measured. Simple mediation analyses by gender, through PROCESS macro developed by Preacher and Hayes, were performed in order to analyze whether Physical Fitness computed as z-score, is a mediator in the relation between weight status (normal weight or overweight/obesity) and HRQoL dimensions. \itionally, unequal-variances t statistics were executed to know differences in BMI, Physical Fitness components and HRQoL dimensions between groups, and correlations to know the associations between weight status, Physical Fitness z-score and HRQoL. Results: Our results, indicated association between the Physical Fitness z-score and HRQoL dimensions in overweight/obese children. Regarding to mediation analysis, the results showed that the negative association between overweight/obesity and HRQoL is softened by the level of Physical Fitness. Therefore Physical Fitness is a mediator in the relationship between overweight/obesity children and the most of dimensions of HRQoL, except the School functioning in boys and the School and Emotional functioning in girls. Conclusions: The negative effect of overweight or obesity on HRQoL inn children, is mitigated by Physical Fitness. Consequently, the Physical Fitness is a mediator on HRQoL in most dimensions, especially daily living, in schoolchildren. © 2018 The Author(s).
dc.language.isoen
dc.publisherBioMed Central Ltd.
dc.subjectMediation analysis
dc.subjectObesity
dc.subjectOverweight
dc.subjectPhysical fitness
dc.subjectQuality of life
dc.subjectacademic achievement
dc.subjectagility
dc.subjectArticle
dc.subjectbody mass
dc.subjectbody weight
dc.subjectchild
dc.subjectcontrolled study
dc.subjectcross-sectional study
dc.subjectemotionality
dc.subjectfemale
dc.subjectfitness
dc.subjectfunctional status
dc.subjectgrip strength
dc.subjecthuman
dc.subjectjumping
dc.subjectmajor clinical study
dc.subjectmale
dc.subjectobesity
dc.subjectquality of life
dc.subjectrange of motion
dc.subjectsocial interaction
dc.subjectsocial psychology
dc.subjectweight loss program
dc.subjectadolescent
dc.subjectattitude to health
dc.subjectbody weight
dc.subjectcomparative study
dc.subjectfitness
dc.subjecthealth status
dc.subjectobesity
dc.subjectpsychology
dc.subjectquality of life
dc.subjectsocioeconomics
dc.subjectstudent
dc.subjectAdolescent
dc.subjectAttitude to Health
dc.subjectBody Mass Index
dc.subjectBody Weight
dc.subjectChild
dc.subjectCross-Sectional Studies
dc.subjectFemale
dc.subjectHealth Status
dc.subjectHumans
dc.subjectMale
dc.subjectObesity
dc.subjectOverweight
dc.subjectPhysical Fitness
dc.subjectQuality of Life
dc.subjectSocioeconomic Factors
dc.subjectStudents
dc.titleFitness as mediator between weight status and dimensions of health-related quality of life
dc.typeArticle


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