Table 1 Participant characteristics
Characteristics | Values |
|---|---|
Mean age (years) | 63.63 ± 6.35 (50–79) |
Age groups (years) | |
 50–60 | 131 (38.2) |
 61–70 | 148 (43.1) |
 71–79 | 64 (18.7) |
Gender | |
 Male | 171 (49.9) |
 Female | 172 (50.1) |
Marital status | |
 Single | 23 (6.7) |
 Married | 320 (93.3) |
Educational level | |
 Primary school | 8 (2.3) |
 Junior high school | 150 (43.7) |
 High school | 133 (38.8) |
 College or higher | 52 (15.2) |
Income | |
 Low (below ¥2000) | 168 (49.0) |
 Middle (¥2001–¥3000) | 118 (34.4) |
 High (¥3001 or above) | 57 (16.6) |
All participants | 343 (100) |