Table 1.
Characteristics of participants.
| Characteristic | Group 1 (n=7) | Group 2 (n=11) | Group 3 (n=9) | Group 4 (n=11) | Total (N=38) | |
| Gender, n (%) | ||||||
| Men | 3 (43) | 5 (46) | 6 (67) | 7 (64) | 21 (55) | |
| Women | 4 (57) | 6 (56) | 3 (33) | 4 (36) | 17 (45) | |
| Age (years), mean (SD) | 64.0 (7.3) | 66.1 (10.9) | 70.1 (6.7) | 64.5 (12.4) | 66.2 (9.9) | |
| General health status, n (%) | ||||||
| Excellent | 0 (0) | 1 (9) | 0 (0) | 1 (9) | 2 (5) | |
| Very good | 1 (14) | 2 (18) | 2 (22) | 1 (9) | 6 (16) | |
| Good | 5 (71) | 5 (46) | 6 (67) | 8 (73) | 24 (63) | |
| Fair | 1 (14) | 3 (27) | 1 (11) | 1 (9) | 6 (16) | |
| Poor | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
| Education,a n (%) | ||||||
| Low | 0 (0) | 0 (0) | 0 (0) | 1 (9) | 1 (3) | |
| Average | 3 (43) | 4 (36) | 3 (33) | 3 (27) | 13 (34) | |
| High | 4 (57) | 7 (64) | 6 (67) | 7 (64) | 24 (63) | |
| Use of Internet, n (%) | ||||||
| No use of Internet | 1 (14) | 0 (0) | 0 (0) | 1 (9) | 2 (5) | |
| Monthly | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
| Weekly | 0 (0) | 2 (18) | 1 (11) | 0 (0) | 3 (8) | |
| Daily | 6 (86) | 9 (82) | 8 (89) | 10 (91) | 33 (87) | |
a Low: primary school, lower level of secondary school; average: lower vocational training, intermediate vocational training or higher level of secondary school; high: higher vocational training or university.