Comparison of body mass index between different age groups cillldren of government school

The purpose of this study was to compare the body mass index among the different age groups boys and girls of government school. A sample of two hundred ten boys and girls were randomly chosen. All the subjects were from government school and age was ranging between 10–17 years. All the subjects were divided in seven age groups i.e. 10–11 years, 1112 years, 12–13 years, 13–14 years, 14–15 years, 15–16 years and 16–17 years and from each group fifteen boys and girls were randomly selected. All the subjects in present study were tested with their height, weight and finally Body Mass Index (EM!) of each subject was obtained. Weight was measured in kilograms & portable weighing machine was usedfor this purpose. Height was measured in centimetres by stadiometer respectively.

To compare the body mass index among different age groups and also to investigate the effects of gender on body mass index IWo Way Analysis of Variance (ANOVA) as a statistical technique were employed at the 0.05 level of significance. Further LSD post hoc means comparison was also used when F value was found significant in case of age. Finding of this study revealed that obesity significantly differ in all the age groups of boys and girls but no significant difference was observed between boys and girls. It was also very clear that all the boys of different age groups are in healthy weight zone but in girls age group 12–13 years falls in overweight as BMI is between 85^th to less than the 95^th percentile.