1 = Male
2 = Female

Education
1 = elementary
2 = vocational
3 = secondary
4 = bachelor
5 = masters degree
6 = Ph. D.
7 = medical education

Marital status
1 = single
2 = in relationship
3 = divorced
4 = widowed

Place of residence
1 = up to 5000 residents
2 = up to 20000 residents
3 = up to 100000 residents
4 = up to 250000 residents
5 = up to 500000 residents
6 = more than 500000 residents

Professional status
1 = student
2 = unemployed
3 = employed
4 = I do gigs
5 = I'm a freelancer
6 = pensioneer

Disposable income
1 = do 1000 PLN
2 = do 2000 PLN
3 = do 3000 PLN
4 = do 5000 PLN
5 = powyżej 5000 PLN

Children
1 = yes
2 = no

Cancer
1 = colon cancer
2 = lung cancer
3 = breast cancer
4 = prostate cancer
5 = ovarian cancer
6 = leukemia
7 = lymphoma
8 = head/neck cancer
9 = other
10 = skin cancer

Chemo frequency2
1 = every week
2 = every two weeks
3 = every three weeks or less
4 = currently not in chemo

1 = believer
2 = nonbeliever