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Fleurbaix Laventie Ville Santé (FLVS) Study

Fleurbaix Laventie Ville Santé Study is a long-term intervention pilot programme conducted between 1992 and 2004 in two cities in the north of France which led to the stabilisation of the prevalence of childhood obesity in the two involved cities (Romon & Al., 2008).

Total population of these 2 cities was 6600 in 1991. The comparison population was selected between 2 other cities also situated in Northern France and of socioeconomic and demographic characteristics similar to those of Fleurbaix and Laventie. No nutritional education or any intervention was carried out in the control cities.

In terms of community-based interventions, two periods can be distinguished: the first period was only characterised by the nutrition education at school. During the second period, the whole community was mobilised in order to deliver the same diet and physical activity related messages to the families.


Initially, in 1992, the prevalence of children obesity was not different in FLVS and comparisons. During the first period of the study (1992 to 2000) the prevalence of overweight including children obesity first tended to increase. During the second period (2000 to 2004), the prevalence of childhood overweight and obesity decreased in Fleurbaix and Laventie whereas it increased in the comparison towns in the same way as the one observed in France. In 2004 the difference of prevalence of children overweight including obesity became statistically significant in FLVS compared to comparison towns (see figure here above). The results of FLVS study were published in December 2008 in the Public Health Nutrition journal.