The Obemat2.0 Study: A Clinical Trial of a Motivational Intervention for Childhood Obesity Treatment

Veronica Luque, Albert Feliu, Joaquín Escribano, Natalia Ferré, Gemma Flores, Raquel Monné, Desirée Gutiérrez-Marín, Núria Guillen, Judit Muñoz-Hernando, Marta Zaragoza-Jordana, Mariona Gispert-Llauradó, Carme Rubio-Torrents, Mercè Núñez-Roig, Mireia Alcázar, Raimon Ferré, Josep M Basora, Pablo Hsu, Clara Alegret-Basora, Francesc Arasa, Michelle Venables, Priya Singh, Ricardo Closa-Monasterolo, Veronica Luque, Albert Feliu, Joaquín Escribano, Natalia Ferré, Gemma Flores, Raquel Monné, Desirée Gutiérrez-Marín, Núria Guillen, Judit Muñoz-Hernando, Marta Zaragoza-Jordana, Mariona Gispert-Llauradó, Carme Rubio-Torrents, Mercè Núñez-Roig, Mireia Alcázar, Raimon Ferré, Josep M Basora, Pablo Hsu, Clara Alegret-Basora, Francesc Arasa, Michelle Venables, Priya Singh, Ricardo Closa-Monasterolo

Abstract

The primary aim of the Obemat2.0 trial was to evaluate the efficacy of a multicomponent motivational program for the treatment of childhood obesity, coordinated between primary care and hospital specialized services, compared to the usual intervention performed in primary care. This was a cluster randomized clinical trial conducted in Spain, with two intervention arms: motivational intervention group vs. usual care group (as control), including 167 participants in each. The motivational intervention consisted of motivational interviewing, educational materials, use of an eHealth physical activity monitor and three group-based sessions. The primary outcome was body mass index (BMI) z score increments before and after the 12 (+3) months of intervention. Secondary outcomes (pre-post intervention) were: adherence to treatment, waist circumference (cm), fat mass index (z score), fat free mass index (z score), total body water (kg), bone mineral density (z score), blood lipids profile, glucose metabolism, and psychosocial problems. Other assessments (pre and post-intervention) were: sociodemographic information, physical activity, sedentary activity, neuropsychological testing, perception of body image, quality of the diet, food frequency consumption and foods available at home. The results of this clinical trial could open a window of opportunity to support professionals at the primary care to treat childhood obesity. The clinicaltrials.gov identifier was NCT02889406.

Keywords: childhood obesity; motivational interview; obesity treatment; primary care.

Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Obemat2.0 motivational interview structure within each visit.
Figure 2
Figure 2
Flow diagram of recruitment, assessment per visit, and intervention. BCU: Basic Care Units; 1 Deuterium dilution analysis in a subsample; 2 Motivation test only in the intervention group; 3 anthropometry at primary care centers was performed on a monthly basis, except for the puberty development, that was assessed only at visit 1 and 11.

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