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In a study of nearly 25,000 children, those whose mothers adhered to five factors including a healthy lifestyle – healthy eating, regular exercise, a maternal lifestyle can play an important role in risk of obesity. BMI less than 25, non-smoker and low alcohol consumption – had a 75% lower risk of obesity than children of mothers who did not adhere to any of these healthy habits (relative risk 0.25, 95% CI 0.14-0.47), found Klodian Dhana, MD, PhD, of Harvard TH Chan School of Public Health in Boston, and colleagues.
The risk of childhood obesity was reduced even when their own lifestyle was poor, the group wrote in The BMJ . Those with a high-risk lifestyle still had a risk of obesity reduced by approximately 45% when their mothers led low-risk lives (RR 0.55, 95% CI 0.48). 0.63).
However, children had the lowest risk of obesity when mother and child adhered to healthy lifestyles (RR 0.18, 95% CI 0.09-0.37 , compared to families where the child and the mother had unhealthy habits)
"The mechanisms underlying our observations are not fully understood. although the effect of lifestyle and behaviors of mothers can have a critical impact on the lifestyle and diet of their children and modulate the risk of obesity in children, "wrote the group at the greatest single risk reduction for risk of obesity in children:
- BMI 18.5-24.9: RR 0.44 (95% CI 0.39-0.50 )
- Moderate / vigorous exercise ≥ 150 min / week: RR 0.79 (95% CI 0.69 -0.91)
- Current non-smoker: RR 0.69 (95% CI 0, 56-0 .86)
- Consumption of alcohol (1.0-14.9 g / day): RR 0.88 (95% CI 0.79-0.99)
Interesting fact when broken down by lifestyle factors, mothers who followed a healthy diet during their offspring in childhood and adolescence – marked by a Alternate Healthy Eating Index 2010 index index in the top 40% – did not have any relationship to risk of obesity in offspring (RR 0.97, 95% CI 0.83 to 1.12), which Dhana and colleagues have said "A potential explanation for our observation of a nil badociation between maternal nutrition and maternal nutrition. Childhood obesity is that children's energy intake does not come exclusively from home-cooked meals because children's diets are influenced by multiple factors including school and neighborhood The authors explained .
The study included data on 24,289 children who participated in the Growing Up Today study, which were born to nearly 17,000 mothers. During a 5-year follow-up period, about 5.3% of children developed obesity.
Information on the lifestyle of mothers and children was collected from self-reported questionnaires. Another limitation to the study included a lack of inclusion on paternal lifestyle data and should be evaluated in future studies in this area.
Dhana and her colleagues emphasized the importance of a healthy lifestyle for mothers. Recent clinical trials have shown that parenting interventions alone are just as effective for weight loss in children as those involving the entire family.
The study was supported by grants from the National Institutes of Health of the United States. disclosures.
2018-07-05T16: 30: 00-0400
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