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Identifying the views of adolescents in five European countries on the drivers of obesity using group model building

Savona, N., Macauley, T., Aguiar, A. P. D. , Banik, A., Boberska, M., Brock, J., Brown, A., Hayward, J., Holbaek, H., Rito, A. I., Mendes, S., Vaaheim, F., van Houten, M., Veltkamp, G., Allender, S., Rutter, H. & Knai, C. (2021). Identifying the views of adolescents in five European countries on the drivers of obesity using group model building. The European Journal of Public Health, 31(2), pp. 391-396. doi: 10.1093/eurpub/ckaa251

Abstract

Background
To make effective progress towards a global reduction in obesity prevalence, there needs to be a focus on broader structural factors, beyond individual-level drivers of diet and physical activity. This article describes the use of a systems framework to develop obesity prevention policies with adolescents. The aim of this research was to use the group model building (GMB) method to identify young people’s perceptions of the drivers of adolescent obesity in five European countries, as part of the EU-funded Co-Create project.

Methods
We used GMB with four groups of 16–18-year-olds in schools in each of the five European countries (The Netherlands, Norway, Poland, Portugal and the UK) to create causal loop diagrams (CLDs) representing their perceptions of the drivers of adolescent obesity. The maps were then merged into one, using a new protocol.

Results
Two hundred and fifty-seven participants, aged 16–18 years, engaged in 20 separate system mapping groups, each of which generated 1 CLD. The findings were largely congruent between the countries. Three feedback loops in the merged diagram particularly stand out: commercial drivers of unhealthy diets; mental health and unhealthy diets; social media use, body image and motivation to exercise.

Conclusions
GMB provides a novel way of eliciting from young people the system-based drivers of obesity that are relevant to them. Mental health issues, social media use and commercial practices were considered by the young people to be key drivers of adolescent obesity, subjects that have thus far had little or no coverage in research and policy.

Publication Type: Article
Additional Information: The Author(s) 2021. Published by Oxford University Press on behalf of the European Public Health Association. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Publisher Keywords: obesity, physical activity, diet, adolescent, exercise, feedback, mental health, motivation, netherlands, norway, perception, country of poland, portugal, body image, maps, social media
Subjects: H Social Sciences > HN Social history and conditions. Social problems. Social reform
R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
R Medicine > RJ Pediatrics
Departments: School of Health Sciences > Healthcare Services Research & Management
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