Table S2.
Comparison between the participants included at baseline and those who were lost to follow-up; 2002 and 2005 waves of the Chinese Longitudinal Healthy Longevity Survey
| Characteristics | Participants included at baseline (2002 and 2005 waves, n=11,165) | Participants who were lost to follow-up from 2002 to 2005 waves (n=1,666) |
|---|---|---|
| Age, years, mean (SD) | 82.6 (9.6) | 81.7 (9.8) |
| Female, n (%) | 5,800 (52.0) | 881 (52.9) |
| Han ethnicity, n (%) | 10,475 (93.8) | 1,632 (98.0) |
| Rural residence, n (%) | 6,286 (56.3) | 592 (35.5) |
| Currently married, n (%) | 3,995 (35.8) | 613 (36.8) |
| Illiterate, n (%) | 6,410 (57.4) | 889 (53.4) |
| White collar occupation, n (%) | 1,049 (9.4) | 237 (14.2) |
| Smoked in the past 5 years, n (%) | 2,348 (21.0) | 309 (18.6) |
| Regular exercise, n (%) | 3,862 (34.6) | 641 (38.5) |
| Religious involvement, n (%) | 1,707 (15.3) | 319 (19.2) |
| Economic independence, n (%) | 3,261 (29.2) | 688 (41.3) |
| Good family economic standing, n (%) | 1,921 (17.2) | 302 (18.1) |
| Adequate medication, n (%) | 9,984 (89.4) | 1,522 (91.4) |
Abbreviation: SD, standard deviation.