The second stage was a whole-group sampling by grade level. Two classes were selected as units from each grade (grades 7, 8, 10 and 11) in the selected school, and the respondents were selected. These students range in age from 12 to 20 years and are in transition from the role ...
For any raw measure, the age-specific LMS parameters are used to convert the measure to a z-score that relates to the standard reference centile chart. The notion of obesity or severe obesity among children by demographic subgroup or local district is made in reference to the share of the ...