Fig 1. Estimated means of SB and PA among tertiles of the age at independent walking.
(Dark gray) SB. (Light gray) LPA. (Black) MVPA. Adjusted for gender, months of age, birth weight, current weight, interaction (gender × months of age), schools, and accelerometer wear time. SB, sedentary behavior; LPA, light physical activity; MVPA, moderate-to-vigorous physical activity.