Intervention study on 6th graders: promoting physical activity FRESH-PEF73122-en Chantal SIMON Intervention study on 6th graders: promoting physical activity ICAPS 2 FRESH-PEF73122-en 73122 FRESH-PEF73122 Chantal SIMON Epidemiology France Portal (PEF) null Chantal;SIMON physical activity health college sedentary lifestyle teenagers lifestyle Paediatrics Behavioral determinants The objective is to evaluate the effectiveness of an intervention aimed at reducing sedentary behavior and promoting physical activity in all its forms, in order to lower cardiovascular risk and influence body composition. null France Grand Est Individuals General population Male Female Child (6 to 12 years) Clinical data Participant-reported health data Biological data Paraclinical data (non-biological) : Anthropometry Paraclinical data (non-biological) : Function testing Other Administrative database (employees pupils students etc.) Converting or copying information into a structured record Interview with the participant (including clinical) Observational Study Observational Study 954 Unknown To be defined