Table 1 Basic characteristics of the participants (N = 7,138 in baseline)
Variable / Categories | N (%) |
|---|---|
Age | |
 60–69 years | 4,616 (64.7) |
 70–79 years | 2,046(28.6) |
 80 +  | 476(6.7) |
Sex | |
 Male | 3,592(50.3) |
 Female | 3,546(49.7) |
Marital status | |
 Married | 5,708 (80.0) |
 Other marital status | 1,430 (20.0) |
Education level | |
 Elementary education and below | 5,728 (80.2) |
 Secondary education and higher | 1,410 (19.8) |
Smoking | |
 Yes | 2,999(42.0) |
 No | 4,139(58.0) |
Drink alcohol | |
 Yes | 2,281(32.0) |
 No | 4,857(68.0) |
Self-rated health | |
 Very poor | 412(5.8) |
 Poor | 1,607(22.5) |
 Fair | 3,632(50.9) |
 Good | 961(13.5) |
 Very good | 526(7.4) |
Chronic diseases | Mean = 1.4 (SD = 1.11) |