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FOOD TODAY 08/2013

Preventing childhood obesity through community-based initiatives

FT_88_CBIPrevention is widely recognised to be the most efficient and cost-effective way to tackle the obesity epidemic; the most promising approaches target populations rather than individuals, are focused on environmental and policy changes, and require multi-sectoral responses. This article looks at existing community-based initiatives in Europe.

Changing behaviours and the environment
The aetiology of obesity is complex and eating and physical activity habits are likely to be developed at a young age. An ‘obesogenic’ environment elicits the consumption of too much energy and discourages physical activity. The need for obesity prevention in the whole population has stimulated the implementation of hundreds of community-based initiatives (CBIs) across Europe.1

CBIs are multi-factorial strategies aimed at changing behaviours through interventions focused both on individual behaviours and the environment. Modifying unhealthy habits requires changing perceptions, the micro-environment (e.g. schools, homes, neighbourhoods) and the macro-environment (e.g. education and health systems, governments, the food industry and society’s attitudes and beliefs) so that healthy behaviours prevail.2 Interventions must be adapted to fit the local context, so almost all CBIs execute a mixture of strategies at a local level.1

The example of EPODE
A pilot programme in two communities in Northern France found that the prevalence of overweight children fell in these towns (11.4% in 1992; 8.8% in 2004) and not in the control towns (12.6% in 1992; 17.8% in 2004).3 This cross-sectional study did not prove that the intervention reduced obesity, but it led to the development of EPODE “Ensemble Prevenons l’Obesité Des Enfants”, meaning “Together let’s prevent childhood obesity.”

EPODE is a coordinated approach aimed at empowering communities to combat and prevent childhood obesity. It relies on four main pillars:4

  1. sound scientific background, evaluation and dissemination of outcomes
  2. strong political will and involvement of political representatives
  3. coordinated organisation and an approach based on social marketing
  4. multi-level, multi-stakeholder approach, involving public and private partners

Primary EPODE target groups are all children aged 0–12 years, regardless of their weight, and their families. A local project manager, appointed by the local political leader (e.g. the Mayor) able to champion the programme, is trained by a central coordination team. The role of the project manager is to mobilise a multi-faceted local steering committee and a diversity of local stakeholders especially in schools, extracurricular organisations and social networks of associations, thereby placing the community at the heart of the system.

Resources are supported by public and not-for-profit funding, as well as corporate sponsorships. In 2008, the European Directorate General for Health and Consumers provided funding for the development of the EPODE European Network to accelerate the implementation of CBIs across Europe. To date, several CBIs in Europe are based on the EPODE methodology, and there are similar large-scale projects across Europe (some examples in Table 1).1

The main challenge: Evaluation
Increasing evidence suggests that CBIs may be an effective way to prevent childhood obesity, but there is a need for better scientific evaluation.2,4 The evaluation of CBIs relies on the collection of information on:4

  • process indicators (e.g. central partnerships, local steering committee meetings)
  • output indicators (e.g. number of local actions, participation of families and children)
  • outcome indicators (e.g. changes in dietary habits, physical activity, BMI, wellbeing and knowledge)

Overall, it is difficult to compare interventions due to variances in outcomes and quality of study designs. CBIs reporting positive results are probably overrepresented in the table.1 Furthermore, even when using the same protocol the effectiveness of a CBI cannot be assumed to be duplicated, because of the adaptation to the local situation. The EU-funded project IDEFICS (Identification and prevention of Dietary- and lifestyle-induced health EFfects In Children and infantS) was conducted to provide reliable, standardised methodology to assess childhood obesity on a global scale. Data from this and other ongoing initiatives will be substantiated in the coming years. Further monitoring and research using consistent methods will provide valuable information about the effective elements of community-based prevention of overweight and obesity.

Evaluation is an essential tool to motivate global actors and policy makers to support CBIs in a sustainable manner, and the process should embody an optimum balance between scientific standards and practicality.

Obesity is a worldwide issue, requiring a global approach that supports local actions. Enhancing implementation and sustainability of CBIs, with high quality monitoring, should be a global priority.5

References

  1. Bemelmans WJE, Verschuuren M, van Dale D, et al. (2011). An EU-wide overview of community-based initiatives to reduce childhood obesity. Bilthoven, The Netherlands: RIVM.
  2. Osei-Assibey G, Dick S, Macdiarmid J, et al. (2012). The influence of the food environment on overweight and obesity in young children: a systematic review. BMJ Open 2:e001538; doi:10.1136/bmjopen-2012-001538
  3. Romon M, Lommez A, Tafflet M, et al. (2009). Downward trends in the prevalence of childhood overweight in the setting of 12-year school- and community-based programmes. Public Health Nutrition 12(10):1735-1742.
  4. Borys JM, Le Bodo Y, Jebb SA, et al. (2012). EPODE approach for childhood obesity prevention: methods, progress and international development. Obesity Reviews 13(4):299-315. EPODE International network website: http://www.epode-international-network.com/
  5. EPODE International network website: http://www.epode-international-network.com/
  6. Simon C, Schweitzer B, Oujaa M, et al. (2008). Successful overweight prevention in adolescents by increasing physical activity: a 4-year randomized controlled intervention. International Journal of Obesity 32(10):1489-1498.

Annex

Table 1. Examples of community-based initiatives in Europe

 

 Country  Programme acronym
(meaning)
Logo   Starting year Children reached1  Results
 Belgium  VIASANO    2006  22,597

5-12 years

Monitoring suggests decrease (22%) in the prevalence of overweight in nursery school children, the results are yet to be published in a peer-reviewed journal.

More information:
http://www.viasano.be 

Epode International Network (EIN) press release «22% fewer overweight children in nursery schools in Belgium thanks to the VIaSanO programme.» Published 14 June 2012.

 France EPODE (‘Ensemble Prévenons l'Obésité des Enfants' or ‘Together Lets Prevent Childhood Obesity')


Some EPODE programmes have been renamed to VIF
(‘Vivons en Forme’ or ‘Let’s live in good shape’)

 

FT_CBI_VIVONS

 2004  973,386

5-12 years

The rate of childhood overweight in two pilot towns went from 11.4% in 1992 to 8.8% in 2004 (compared to 12.6% in 1992 to 17.8% in 2004 in the control towns).3

Data from the other eight French EPODE pilot towns also suggest a decrease of overweight and obesity between 2005 and 2009, but these are yet to be published.

More information:
http://www.vivons-en-forme.org/  

http://www.epode.fr/ (currently unavailable)
 France  ICAPS (Intervention Centered on Adolescents’ Physical activity and Sedentary behaviour)    2002  475

11-12 years
After four years of the ICAPS intervention 4.2% of initially non-overweight adolescents became overweight, compared to 9.8% of adolescents who became overweight in the control schools.1,6 ICAPS intervention indicated a positive impact especially among adolescents non-overweight
at baseline.

More information:
INPES (2012). Promoting physical activity in children and young people based on the Icaps experience: http://www.inpes.sante.fr/CFESBases/catalogue/pdf/1416.pdf
 Greece  PAIDEIATROFI    2008  63,364

0-12 years
More information:
http://www.paideiatrofi.org/en/  
 Portugal  MUNSI
(‘Municípios - Saúde Infantil’ or ‘Childhood health at Municipality level’)
   2009   More information:
http://www.mun-si.com/  
 Romania  SETS "Şi eu trăiesc sănătos" or “I'm living healthy too!    2011  30,000

0-12 years
More information:
http://www.sets.ro/ro
 Spain  THAO    2007  14,500

0-12 years
More information:
http://www.thaoweb.com 
 Sweden  Jönköping    2004  80,000

0-18 years
An initial decrease after 2 to 3 years seemed to be followed by rising rates thereafter.1
 The Netherlands  B.Slim: beweeg meer en eet gezond! (move more and eat healthy)    2005  6650

0-18 years
Prevalence overweight: stabilized since 20061

More information:
http://www.bslim.nu  
 The Netherlands  GO-Overvecht (Gezond gewicht Overvecht (GO))    2005  6500

0-19 years
Prevalence of overweight: 26% (2004-05) to 20% (2008-09)1

More information:
http://www.utrechtgezond.nl
 The Netherlands  JOGG (Youth On Healthy Weight)    2010   More information:
http://www.jongerenopgezondgewicht.nl  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terms used in this article
Obesity
Prevalence
Quality
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