Table 1.

Characteristics of the participants (N = 1044)

Characteristics	N	%
Sex
Male	517	49.0
Female	527	51.0
Age
18–29 years	173	17.0
30–65 years	590	56.0
>65 years	281	27.0
Educational level
Low	293	28.0
Middle	463	44.0
High	288	28.0
Smoking
Non-smoker	491	47.0
Former smoker	426	41.0
Current smoker	127	12.0
Alcohol = drinks per week
No alcohol use	382	37.0
1–7 drinks	504	48.0
8–14 drinks	110	11.0
15–21 drinks	34	3.0
>21 drinks	14	1.0