Fig. 2

Height for age compared with WHO 2007 references. Median and 95% confidence interval (95%CI) of height-for-age (rounded by month) of study data (Vschool in red) were plotted against World Health Organization (WHO) 2007 reference median (in green) and standard deviation (SD) (in purple for minus and in blue for plus) for (a) males and females from 18 months to 5 years old. (b) males and females from 5 years to 18 years old. Black dots were study individual data.