3.
Variable | Value |
Gender | 1=Female, 2=Male |
Age (year) | 1=12~17, 2=18~29, 3=30~44, 4=45 and above |
Profession | 1=Students, 2=Other |
Educational level | 1=Bachelor (College) and above, 2=High school and below |
Knowledge | 0=Poor knowledge, 1=Well knowledge |