Journal of Obesity / 2014 / Article / Tab 2 / 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 2 Mean BMI by BMI trajectory group and age in boys.
Trajectory group Group 1 Group 2 Group 3 Group 4 (normal or slightly underweight) (persistently normal weight) (overweight becoming obese) (persistently obese)
(40.62%)
(34.69%)
(18.15%)
(6.54%)Age (years) Mean (95% CI) Mean (95% CI) Mean (95% CI) Mean (95% CI) 7.0 15.08 (14.89–15.19) 16.71 (16.51–16.89) 18.83 (18.51–19.01) 23.47 (22.93–23.66) 8.0 15.28 (15.22–15.43) 17.38 (17.20–17.53) 20.38 (20.22–20.60) 25.11 (24.71–25.20) 9.0 15.59 (15.54–15.77) 18.21 (18.09–18.44) 21.64 (21.61–22.02) 26.10 (26.08–26.59) 10.0 16.12 (15.93–16.17) 19.28 (19.05–19.42) 23.06 (22.79–23.20) 27.35 (27.23–27.76) 11.0 16.48 (16.36–16.61) 20.14 (19.90–20.30) 24.08 (23.73–24.13) 28.51 (28.12–28.65) 12.0 16.97 (16.80–17.15) 20.66 (20.46–20.94) 24.53 (24.37–24.89) 28.91 (28.62–29.40)
