From: Locally implemented prevention programs may reverse weight trajectories in half of children with overweight/obesity amid low child-staff ratios: results from a quasi-experimental study in France
Training session
Healthy eating: HE
Physical activity
School staff
Catering
ECA
N
CSR
City 1
40
6:1
M
City 2
20
7:1
12
12:1
25
City 3
5:1
L
30
4:1
City 4
127
3:1
79
63