School category
1 = High school and above
2 = Middle
3 = Primary school

Gender of the participants
1 = male
2 = female

Adolescent category
1 = Early
2 = Middle
3 = Late

grades in the previous term
1 = excellent 90-100
2 = good 81-89
3 = below good 70-80

Father's education
1 = Above High School
2 = Upto High School

Nutrition - I eat three meals daily
1 = Never
2 = Rarely
3 = sometimes
4 = Usually
5 = Always

Nutrional category
1 = Low
2 = High