Table 1.
The characteristics of participants stratified by successful aging.
| Successful aging (n = 3986) | Non-successful aging (n = 3703) | p value | |
|---|---|---|---|
| Age (yrs) | 78.6 ± 9.8 | 85.3 ± 11.1 | <0.001 | 
| Weight (kg) | 58.7 ± 12.6 | 53.6 ± 12.9 | 0.004 | 
| Height (cm) | 158.4 ± 9.5 | 154.7 ± 10.5 | <0.001 | 
| BMI (kg/m2) | 23.3 ± 4.3 | 22.3 ± 4.4 | 0.001 | 
| Education level (yrs) | 4.9 ± 4.5 | 3.3 ± 4.3 | 0.015 | 
| Annual income (RMB) | 48423.6 ± 37444.0 | 42813.8 ± 37454.8 | 0.786 | 
| Sex, n (%) | <0.001 | ||
| Men | 2185 (28.4) | 1524 (19.8) | |
| Women | 1801 (23.4) | 2179 (28.3) | |
| Residence, n (%) | 0.002 | ||
| Urban | 1354 (17.6) | 1137 (14.8) | |
| Rural | 2632 (34.2) | 2566 (33.4) | |
| Current smokers, n (%) | <0.001 | ||
| Yes | 807 (10.5) | 498 (6.5) | |
| No | 3179 (41.3) | 3205 (41.7) | |
| Current drinkers, n (%) | <0.001 | ||
| Yes | 830 (10.8) | 425 (5.5) | |
| No | 3156 (41.0) | 3278 (42.6) | |
| Current exercisers, n (%) | <0.001 | ||
| Yes | 1945 (25.3) | 982 (12.8) | |
| No | 2041 (26.5) | 2721 (35.4) | |
| Co-residence, n (%) | <0.001 | ||
| With household member(s) | 3301 (42.9) | 2868 (37.3) | |
| Living alone | 605 (7.9) | 668 (8.7) | |
| In an institution | 80 (1.0) | 167 (2.2) | |
| Marital status, n (%) | <0.001 | ||
| Married and living with spouse | 2366 (30.8) | 1418 (18.4) | |
| Widowed | 1491 (19.4) | 2174 (28.3) | |
| Others | 129 (1.7) | 111 (1.4) | |
| Occupation before age 60 | <0.001 | ||
| Workers | 1468 (18.7) | 1036 (13.5) | |
| Farmers | 2191 (28.5) | 2281 (29.7) | |
| Others | 357 (4.6) | 386 (5.0) | 
Abbreviations: BMI, body mass index; RMB, Chinese money Renminbi.