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Table 3 Study characteristics by BMI trajectory in boys: the birth to twenty cohort

From: Childhood adiposity trajectories are associated with late adolescent blood pressure: birth to twenty cohort

  Normal weight (n = 813) Trajectory 2 (n = 53) Trajectory 3 (n = 11) P value
Study characteristics    
 Birth weight (kg) 3.1 (0.5) 3.2 (0.6) 3.2 (0 .7) 0.46
 Height at 18 years (cm) 170.6 (6.7) 172.4 (5.5) 170.4 (7.6) 0.21
 SBP at 18 years (mm Hg) 121.0 (10.8) 124.2 (8.2) 134.5 (16.9) 0.00***
 DBP at 18 years (mm Hg) 71.0 (8.6) 71.9 (8.3) 76.8 (8.7) 0.09
 MAP at 18 years (mm Hg) 87.7 (8.1) 89.4 (7.3) 96.0 (10.3) 0.00**
 Elevated BP n (%) 276 (38.7) 20 (46.5) 6 (60.0) 0.24
  1. For boys: Trajectory 2 = Early Onset Overweight to Normal Weight, Trajectory 3 = Early Onset Overweight to Obese
  2. Summary statistics presented as mean (±standard deviation) otherwise stated
  3. *P < 0.05; **P < 0.01; ***P < 0.001
  4. ANOVA and chi square test were conducted to describe the study characteristics differences in BMI trajectories
  5. Percentages may not add up to 100 % due to rounding