Skip to main content

Table 3 Body composition characteristics of the group and by sex and race in 2010 and 2013 and significance of differences during follow-up according to mixed models with school included as subjects

From: Prevalence of overweight and obesity among primary school children in a developing country: NW-CHILD longitudinal data of 6–9-yr-old children in South Africa

  Group (N = 574) Boys (n = 282) Girls (n = 292) Sex p value White (n = 143) Black (n = 407) Race p value Mixed models MSE
  2010 2013 2010 2013 2010 2013 2013 2010 2013 2010 2013 2013 2013
Height (cm) 119.76 135.37 121.3 136.0 119.9 136.0 0.588 123.7 138.0 119.3 135.3 0.723 80.9
Mass (kg) 22.59 32.29 23.3 32.9 22.9 33.7 0.662 24.8 35.5 22.5 32.4 0.240 68.3
BMI kg/m 15.65 17.39 15.8 17.5 15.8 18.0 0.225 16.1 18.2 15.7 17.5 0.073 13.2
Fat % 15.87 20.33 16.6 20.3 16.2 22.0 0.032 16.9 21.7 16.2 21.0 0.008 61.5
  1. BMI = Body Mass Index; Fat % = Fat percentage; N = Participants; Significant difference, p < 0.05, MSE = mean square error.