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Child's body mass index and mother's obesity: the moderating role of physical fitness.

Authors
  • Brand, Caroline1
  • Fochesatto, Camila Felin2
  • Dias, Arieli Fernandes2
  • Gaya, Anelise Reis2
  • de Lucena Martins, Clarice Maria3
  • Renner, Jane Dagmar Pollo4
  • Reuter, Cézane Priscila4
  • Kelishadi, Roya5
  • 1 Graduate Program in Health Promotion, University of Santa Cruz do Sul (UNISC), 2293 Independência Av, Santa Cruz do Sul, RS, Brazil. [email protected] , (Brazil)
  • 2 School of Physical Education, Physiotherapy and Dance, Graduate Program in Human Movement Sciences, Federal University of Rio Grande do Sul, Felizardo, 750. Neighborhood: Jardim botânico, Porto Alegre, Brazil. , (Brazil)
  • 3 Research Center on Physical Activity, Health and Leisure, Federal University of Paraiba, Castelo Branco Street, João Pessoa, 58051-900, Brazil. , (Brazil)
  • 4 Graduate Program in Health Promotion, University of Santa Cruz do Sul (UNISC), 2293 Independência Av, Santa Cruz do Sul, RS, Brazil. , (Brazil)
  • 5 Roya Kelishadi. Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan Province, Isfahan, Iran. , (Iran)
Type
Published Article
Journal
European Journal of Pediatrics
Publisher
Springer-Verlag
Publication Date
Mar 01, 2021
Volume
180
Issue
3
Pages
843–850
Identifiers
DOI: 10.1007/s00431-020-03810-5
PMID: 32940742
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The aim of this study was to verify the association between children's body mass index and their mother's obesity, considering children's physical fitness as a possible moderator. Cross-sectional study developed with 1842 children and adolescents, aged seven to 17 years, from Santa Cruz do Sul-RS, Brazil. Body weight and height were assessed to determine body mass index. Cardiorespiratory fitness was determined by the 6-min walk/run test and muscular strength through the lower limb strength test. Mother's perception of obesity was self-assessed. Moderation was tested through a SPSS program extension. Results indicated that higher children's body mass index (p < 0.001) and lower levels of cardiorespiratory fitness (p = 0.001) and muscular strength (p = 0.035) were associated with mother's obesity. Likewise, higher body mass index (p < 0.001) and lower cardiorespiratory fitness (p < 0.001) in adolescents were associated with maternal obesity. Moreover, physical fitness moderates the relationship between body mass index and mother's obesity in children (cardiorespiratory fitness: β = - 0.006; 95% CI = (- 0.010, - 0.001); muscular strength: β = - 8.415; 95% CI = (- 12.526, - 4.304)) and in adolescents (cardiorespiratory fitness: β = - 0.004; 95% CI = (- 0.008, - 0.0008); muscular strength: β - 2.958; 95% CI = (- 5.615, - 0.030)).Conclusion: increasing physical fitness is an important strategy to protect youths from high body mass index, when their mothers are obese. What is Known: • Mother's obesity is associated with their children's body mass index. • Parents' obesity is associated with their children's physical fitness What is New: • Cardiorespiratory fitness and muscular strength are moderators in the relationship between mother's obesity and BMI of their children. • Children and adolescents with high cardiorespiratory fitness and muscular strength levels are protected against elevated body mass index, considering mother's obesity.

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