School-Based Obesity Prevention Intervention in Chilean Children: Effective in Controlling, but not Reducing Obesity

Table 3

Change in overweight and obesity prevalence between boys in control and intervention schools (2011-2012).

Variables	Control		Intervention
	N = 423		N = 364
	August; 2011	November 2012	August; 2011	November 2012
Age (y)	6.7 (1.1)	8 (1.1)	6.5 (1.1)	7.9 (1.1)
BMI (kg/m^2)	17.7 (2.6)	18.7 (3)	17.80 (2.5)	18.3 (2.7)
% overweight	28.4	30.0	29.4	27.2
% obesity	26.3	29.5	26.6	28.3