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Randomized Controlled Trial
. 2022 May;17(5):e12884.
doi: 10.1111/ijpo.12884. Epub 2021 Dec 30.

The association of changes in body mass index and metabolic parameters between adults with overweight or obesity and their children in a family-based randomized trial (DiOGenes)

Michelle D Pang  1 , Hülya Yilmaz  2 , Arne Astrup  3 , Ellen E Blaak  1 , Marleen A van Baak  1
Affiliations
Randomized Controlled Trial

The association of changes in body mass index and metabolic parameters between adults with overweight or obesity and their children in a family-based randomized trial (DiOGenes)

Michelle D Pang et al. Pediatr Obes. 2022 May.

Abstract

Background: Family-based approaches have been reported to be effective in improving overweight or obesity in children.

Objectives: To investigate the relationship of changes in body mass index and metabolic parameters between adults with overweight or obesity and their children during a weight-maintenance family-based dietary intervention.

Methods: In a multicentre randomized controlled trial, families with at least one parent with overweight or obesity and one healthy child aged between 5 and 18 years, of which the parents completed an 8-week weight-loss phase successfully, were randomized into five different dietary intervention groups to achieve weight maintenance for 6 months. Anthropometric parameters and body composition were measured and blood samples were collected before and after the dietary intervention. Data were analysed using Pearson correlation coefficient analyses and multiple linear regression analysis adjusted for diet group, centre, child's sex and age.

Results: A positive association was found between the change in body mass index (BMI) of the mother and change in BMI-for-age Z-score of first and second child (std β = 0.248, p = 0.000; std β = 0.326, p = 0.000, respectively). The change in BMI of the father was only significantly associated with the change in BMI-for-age Z-score of first child (std β = 0.186, p = 0.031). No consistent pattern of associations between parents and children was found for homeostatic model assessment for insulin resistance, fasting glucose and fasting insulin.

Conclusion: This study supports the inclusion of parents into family-based dietary approaches for weight management of their children regardless of the child's weight status in eight different countries throughout Europe.

Keywords: children; family; lifestyle intervention; metabolic health; obesity; weight loss.

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Conflict of interest statement

No conflict ofinterest was declared.

Figures

FIGURE 1
FIGURE 1
The timeline of the study for children and their parents. Weight‐loss phase for only parents. Weight‐maintenance phase for both parents and children. CID, clinical investigation day
FIGURE 2
FIGURE 2
Correlation analysis of changes in BMI‐for‐age of first or second child and changes in BMI of father or mother. (A) Changes in BMI of the father or (B) changes in BMI of the mother were positively associated with the changes in BMI‐for‐age of the first child. There was no significant association between the (C) changes in BMI of the father or (D) changes in BMI of the mother and changes in BMI‐for‐age of the second child
See this image and copyright information in PMC

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