- Demographic data of the study participants.
| Variables | n (%) |
|---|---|
| Age (years), mean±SD | n=278, 57.0±12.9 |
| Gender | |
| Male | 208 (74.8) |
| Female | 70 (25.2) |
| Level of education | |
| High school or less | 107 (38.5) |
| University education | 151 (54.3) |
| Higher education | 20 (7.2) |
| Number of doctor visits in one year | |
| None | 52 (18.7) |
| 1 | 67 (24.1) |
| 2 | 89 (32.0) |
| 3 or more | 70 (25.2) |
| History of smoking | |
| Yes | 130 (46.8) |
| No | 148 (53.2) |
| Family support | |
| Yes | 135 (48.6) |
| No | 143 (51.4) |
Values are presented as numbers and precentages (%). SD: standard deviation