Cross-sectional study on nursery schools: individual social characteristics, residential context and prevalence of weight problems in early childhood FRESH-PEF73278-en Valérie GUAGLIARDO Cross-sectional study on nursery schools: individual social characteristics, residential context and prevalence of weight problems in early childhood FRESH-PEF73278-en 73278 FRESH-PEF73278 Valérie GUAGLIARDO Pierre VERGER OBSERVATOIRE REGIONAL DE LA SANTE (ORS PACA) Epidemiology France Portal (PEF) ARS PACA CAISSE NATIONALE DE L'ASSURANCE MALADIE (CNAM) REGION PACA null Valérie;GUAGLIARDO Pierre;VERGER Early childhood Overweight Obesity Socioeconomic status Residential context Multi-level regression Prevalence General medicine Overweight Obesity Environmental determinants: Other Behavioral determinants Socio-demographic and economic determinants Environmental determinants The objectives are: ●to analyse the association between the prevalence and social characteristics at an individual level; ●to study, independently of the individual characteristics, the links between the prevalence and the residential context approached by the municipalities. For the latter, two variables are distinguished, one linked to the level of precariousness, the other to the type of locality, urban, peri-urban or rural. null France Provence - Alpes - Côte d\'Azur Individuals General population Male Female Child, Preschool (2 to 5 years) Children aged 3.5 to 4.5 enrolled in the first and second year of nursery school in the PACA region in 2002-2003 Clinical data Participant-reported health data Socio-demographic data Health event/morbidity One-time cross-sectional study Probability: Stratified Population database for statistical purposes [1000-10000[ individuals Educational tests/assessment of health knowledge (literacy, self-management, interpretation of medical information, etc.) Physical/biological measurements (blood pressure, weight, biochemistry, imaging, etc.) Psychological tests/clinical scales (depression, cognition, quality of life, etc.) Observational Study Observational Study 2495 Completed study Restricted access Contact the principal investigator Access on specific project only