Table 2

 Height and weight changes over a two year period among obese children in a Beijing school

Treatment (n = 33)Control (n = 35)p value*
Follow upChangeFollow upChange
Results expressed as mean (SD).
*Comparison of the treatment and control groups regarding changes between baseline and follow up, using independent t test.
Height (cm)170.4 (6.0)8.2 (4.3)171.7 (4.9)8.0 (3.9)0.846
Weight (kg)69.7 (4.4)−0.3 (4.3)76.7 (6.6)5.5 (3.5)<0.001
BMI24.0 (0.9)−2.6 (1.6)26.0 (1.6)−0.1 (1.1)<0.001