To see changes in Total Cholesterol. Total Cholesterol was analysed by Randox Laboratories (Antrim, UK) using an auto chemical analyser (Dirui CS-400, China). The cut-off value for high Total Cholesterol is 5.20 mmol/L.

To see changes in Triglycerides Level. Triglycerides Level was analysed by Randox Laboratories (Antrim, UK) using an auto chemical analyser (Dirui CS-400, China). The cut-off value for high Triglycerides Level is 1.70 mmol/L.

To see changes in HDL-C Level. HDL-C Level was analysed by Randox Laboratories (Antrim, UK) using an auto chemical analyser (Dirui CS-400, China). The cut-off value for low HDL-C Level is 1.03 mmol/L.

To see changes in LDL-C Level. LDL-C Level was analysed by Randox Laboratories (Antrim, UK) using an auto chemical analyser (Dirui CS-400, China). The cut-off value for high LDL-C Level is 2.84 mmol/L.

To see changes in Fasting Insulin Level. Fasting Insulin levels were measured using an automated enzyme immunoassay analyser (TOSOH AIA-360, Japan).

To see changes in HOMA-IR. HOMA-IR is calculated by multiplying the value of fasting insulin and fasting plasma glucose and divided by 22.5.

To see changes in TG:HDL-C Ratio. TG:HDL-C Ratio is calculated by dividing triglycerides levels with HDL-C levels.

To see changes in Physical Fitness Score. Physical Fitness Score was assessed using Modified Harvard Step Test. Physical Fitness Score was calculated with this formula: (Total duration in seconds/Total pulse rate at 0, 1 and 2 minutes) X 100. After the calculation of the physical fitness score, the subjects' physical fitness were categorized into 5 different categories. The first category was poor, where the score of their physical fitness score is below 54. The second was low average, as their physical fitness score falls between the range of 55 to 64. Next, high average with the score between 65 to 79 followed by the fourth category which was good i.e. between the ranges of 80 to 89. Lastly, the fifth category was excellent, where the subjects' physical fitness score were more than 90.

To assess their changes of Nutrition Knowledge using a pre-tested Nutrition Knowledge using a validated Nutrition Knowledge Questionnaire. The school children completed a 10-item True/ False/ Don't know Nutrition Knowledge questionnaire before and after intervention. The correct answer was given a score of 1 whereas for the wrong answer and I don't know was given a score of 0. The total score for every respondent was calculated from the correct responses with a maximum of 10 points which were then converted to percentages. Total scores for the knowledge items were then ranked into 3 tertiles; lowest (≤50%), middle (60%) and highest (70-100%).

To assess their changes of Nutrition Attitude using a pre-tested Nutrition Attitude Questionnaire. There were 15 questions for the attitude items. The attitude items were on a five-point Likert scale ranging from strongly disagree (1 point) to strongly agree (5 points). An intermediate (neutral) option was allocated 3 points. Total scores for the attitude items were then ranked into 3 tertiles; lowest (≤50%), middle (60%) and highest (70-100%).

To assess their changes of Nutrition Practice using a pre-tested Nutrition Practice Questionnaire. Assessment focused mainly on the key components that should be and commonly practiced by the school children. These included intake of fruit and vegetable, plain water, carbonated drinks, breakfast intake a swell as food commonly brought food from home and also food commonly purchased from the school canteen.

To assess their behavioural changes via Stage of Change of Weight Management by using a validated Trans Theoretical Model Questionnaire for weight management behaviour.

To assess their behavioural changes via Stage of Change of Fruit and Vegetable Intake by using a validated Trans Theoretical Model Questionnaire for fruit and vegetable intake behaviour.

To assess their changes of Health-Related Quality of Life using KINDL-R questionnaire. It contains 24 Likert-scaled items that are associated with 6 subscales namely physical well-being, emotional well-being, self-esteem, friend, family and school functioning. Total scores are obtained by adding the scores of all subscales. Higher scores represent better outcome. Range score from 15 to 75

To assess their changes of Well-Being using the Stirling Children Well-being Scale (SCWBS) questionnaire. It is comprised of two subscales which are positive outlook and positive emotional state. Total scores are obtained by adding the scores of all subscales. Higher scores represent better outcome. Range score from 24 to 120

To assess their changes of Eating Attitude using the Children' Eating Attitude Test (ChEAT) questionnaire. It is comprised of three subscales namely dieting, restricting and purging, food and oral control . Higher scores represent worse outcome. Range score from 26 to 156

To assess their changes of Emotional and Psychological Well-Being using the Youth-Self Report questionnaire. YSR contains 112 items to measure emotional and behavioral problems comprising of 12 subscales which are anxious /depressed, withdrawn/depressed, somatic complaints, social problems, thought problems, attention problems, rule-breaking behaviour, aggressive behaviour, other problems, internalizing, externalizing and total behaviour. Internalizing are the total sum of the subscales of anxious/depressed, withdrawn/depressed and somatic complaints. Externalizing are the total sum of rule-breaking behaviour and aggressive behaviour. Total behavior are the sume of all subscales. Higher scores represent worse outcome. Range score from 0 to 224

To assess their changes of Eating Attitude using the Eating Attitude Test (EAT-26) questionnaire. It is comprised of three subscales namely dieting, bulimia and food preoccupation and oral control. Higher scores represent worse outcome. Range score from 30 to 180

To assess their changes of Healthy Eating Behavior using the Adolescents Food Habits Checklist. Higher scores represent better outcome. Range score from 0 to 46

Pubertal Status was assessed (self-administered) using Tanner staging scale.

Participants were examined for the presence of acanthosis nigricans over the neck.