0: Female

1: Male

2: Other

1: Current every day smoker

2: Current some day smoker

3: Former smoker

4: Never smoker

1: Primary education

2: Secondary education

3: Practical higher education

4: Theoretical higher education

1: Lives alone

2: With spouse

3: With other family member

4: With a friend

5: With Paid help or in a care facility

0: Self-reported

1: Measured