1 = male
2 = female

1 = less than 20
2 = less than 30
3 = less than 40
4 = less than 50
5 = less than 60
6 = other

ACADEMIC
1 = first year
2 = second year
3 = third year
4 = fourth year
5 = fifth year
6 = sixth year
7 = other

1 = strongly agree
2 = agree
3 = neutral
4 = disagree
5 = strongly disagree