Motivational Intervention on the Gut Microbiota of Obese Children

"Lifestyle (diet \& physical activity) structured recommendations through a motivational interview.~Duration: 12(+3) months Description: 1 visit/month \& 3 Workshops in primary care centers Providers: pediatricians and nurses trained to perform motivational interview The interviews are structured as follows: First, checking the accomplishment of objectives to motivate the participant. Second, a specific topic per visit is explained to the participant. Third, a task related to the topic (i.e. to plan a weekly menu for the family) is given to be brought back at the next visit. 4th. Objectives about diet, weight \& physical activity are defined to be accomplished until the next visit."

Lifestyle (diet and physical activity) Duration: 12 (+3) months Description: 1visit/month to the primary care centers. Providers: pediatricians \& nurses. Children assigned to the control group receive the usual treatment conducted in primary care centers based on the Clinical Practice Guidelines on the Prevention and Treatment of Child and Adolescent Obesity \[Spanish Ministry of Science and Innovation\], 2009). At visits, the family receive recommendations to carry out a balanced diet, to provide a moderate energy reduction from the previous intake. An increase in physical activity, both in terms of leisure activity, as sports is advised.