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Association Between Obesity and Parental Weight Status in Children and Adolescents Publisher Pubmed



Bahreynian M1 ; Qorbani M2, 3 ; Khaniabadi BM1 ; Motlagh ME4 ; Safari O2 ; Asayesh H5 ; Kelishadi R1
Authors
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Authors Affiliations
  1. 1. Research Institute for Primordial Prevention of Non Communicable Disease, Child Growth and Development Research Center, Department of Pediatrics, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
  3. 3. Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Pediatrics, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  5. 5. Department of Medical Emergencies, Qom University of Medical Sciences, Qom, Iran

Source: JCRPE Journal of Clinical Research in Pediatric Endocrinology Published:2017


Abstract

Objective: This study aims to assess the relationship between body mass index (BMI) of children and that of their parents in a nationally-representative sample of Iranian population. Methods: This cross-sectional nationwide study was conducted in 2011-2012 among 6-18-year-old students and their parents living in 30 provinces of Iran. Socio-demographic information was collected. The BMI values of the children/adolescents were categorized according to the World Health Organization reference curves. Association between parental and student weight status was examined using ordinal regression models after adjustment for potential confounders. Results: Overall, 23043 children and adolescents and one of their parents participated in this study (50.7% boys, 73.4% urban status). Mean age of the subjects was 12.55±3.31 years. Mean BMI values of parents and children/adolescents were 27.0±4.57 and 18.8±4.4 kg/m2, respectively. After adjusting for confounders, overweight and/or obesity in students of both genders was found to be significantly associated with parental overweight and/or obesity. In those students who had obese parents, the odds ratio (OR) of being obese was 2.79 for boys [OR=2.79; 95% confidence interval (CI)=2.44-3.20] and 3.46 for girls (OR=3.46; 95% CI=3.03-3.94) compared to their peers with normal-weight parents. Boys with overweight parents were 1.7 times more overweight than their counterparts with normal-weight parents (OR=1.70; 95% CI=1.15-1.92). Similarly, girls who had overweight parents were more overweight compared to those with normal-weight parents (OR=2.00; 95% CI=1.77-2.25). Conclusion: Our findings highlight the importance of the shared family environment as a multi-factorial contributor to the childhood obesity epidemic and the necessity of implementing family-centered preventive programs. © 2017 by Turkish Pediatric Endocrinology and Diabetes Society.
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