Male
Female
Secondary school
High school
Good/Excellent (≥8/10)
Average (≥7/10-<8/10)
Low (<7/10)
Sub-urban
Urban
With parents
With either mother or father
With others
No
Yes
<2
2-4
>4
Mild/moderate
Severe
0
1
2
3
4+
Poor
Average
Rich