Variables

Frequency

Percentage (%)

Male
Education (yes)
Marital status (yes)
Alcohol (yes)
Smoking (yes)
Diversity of social ties (0-2 ties)
Contact with relatives (0-3 contacts)

353
240
390
46
137
31
60

69.6
47.3
76.9
9.1
27
6.1
11.8
Table1: Characteristics of the study population (N = 507).