Table 1.
Baseline characteristics of cohort participants
| Overall | |
|---|---|
| N (%) for categorical variables | 1590 |
| Mean (SD) for continuous variables | |
| Not married | 771 (48.5) |
| Live alone | 143 (9.0) |
| Without contact with children at least monthly | 302 (19.0) |
| Without contact with relatives at least monthly | 222 (14.1) |
| Without contact with friends at least monthly | 1060 (66.7) |
| Not participated in any social clubs | 1135 (71.4) |
| Social isolation | 608 (38.5) |
| Education level attained | |
| Tertiary or above | 84 (5.3) |
| Secondary | 254 (16.0) |
| Primary | 697 (43.9) |
| No schooling | 553 (34.8) |
| Monthly income at baseline ($HKD) | |
| 2000 or above | 480 (30.5) |
| 1500–1999 | 273 (17.4) |
| 1000–1499 | 408 (26.0) |
| 500–999 | 286 (18.2) |
| Less than 500 | 125 (8.0) |
| Longest held occupation in lifetime | |
| Managers, professionals, and associate professionals | 223 (14.0) |
| Clerks and service workers | 527 (33.1) |
| Semi-skilled and unskilled occupations | 550 (34.6) |
| Economically inactive/unemployed persons | 290 (18.2) |
| ADL impairment | 264 (16.6) |
| Age | 78.10 (6.47) |
| Male | 865 (54.4) |