Journal of Obesity / 2014 / Article / Tab 3 / Research Article
The Trajectory and the Related Physical and Social Determinants of Body Mass Index in Elementary School Children: Results from the Child and Adolescent Behaviors in Long-Term Evolution Study Table 3 Mean BMI by BMI trajectory group and age in girls.
Trajectory group Group 1 Group 2 Group 3 Group 4 (persistently slightly underweight) (persistently normal weight) (persistently overweight) (persistently obese)
(31.04%)
(40.18%)
(22.03%)
(6.76%)Age (years) Mean (95% CI) Mean (95% CI) Mean (95% CI) Mean (95% CI) 7.0 14.41 (14.26–14.57) 16.01 (15.83–16.13) 18.01 (17.94–18.28) 21.68 (21.36–22.08) 8.0 14.57 (14.41–14.63) 16.46 (16.34–16.58) 18.99 (18.85–19.14) 22.99 (22.73–23.25) 9.0 14.75 (14.64–14.88) 16.95 (16.86–17.13) 19.93 (19.75–20.01) 24.46 (24.24–24.71) 10.0 15.13 (15.00–15.24) 17.64 (17.46–17.75) 20.95 (20.63–20.90) 25.76 (25.68–26.16) 11.0 15.54 (15.49–15.74) 18.23 (18.13–18.42) 21.70 (21.49–21.81) 27.18 (26.86–27.38) 12.0 16.26 (16.07–16.41) 19.03 (18.82–19.18) 22.37 (22.34–22.73) 28.00 (27.48–28.21)