Multivariate analysis shown that risk factors of overweight-obesity were boys (OR=1.78, 95% CI 1.30 - 2.44, p<0.01), high home economy (OR=2.08, 95% CI 1.37 - 3.16, p<0.01) and living in urban (OR=2.46, 95% CI 1.59 - 3.81, p<0.01) and sub-urban area (OR=2.98, 95% CI 2.11 - 4.21, p<0.01).