Fig. 3
From: Social disparities in body mass index (BMI) trajectories among Chinese adults in 1991–2011

The impact of education on the slop of TIME (left) and TIME^2 (right)
From: Social disparities in body mass index (BMI) trajectories among Chinese adults in 1991–2011
The impact of education on the slop of TIME (left) and TIME^2 (right)