0 = female
1 = male

Highest completed education level
1 = Middle school or lower
2 = High school
3 = Undergraduate
4 = Bachelor's
5 = Master's
6 = PhD or higher
7 = No answer

Marital status
1 = never married
2 = currently married
3 = divorced
4 = widowed
5 = Unknown

Current job type
1 = Sales
2 = Marketing
3 = IT
4 = Middle Management
5 = Upper Management
6 = Unknown

I'm happy with my job
1 = Totally disagree
10 = Totally agree
11 = No answer