Table 1. Characteristics of participants included in the study on intrinsic capacity and healthy ageing, China, 2011–2013.
| Characteristic | No. (%) (n = 21 783) |
|---|---|
| Gendera | |
| Female | 11 183 (51.3) |
| Male | 10 600 (48.7) |
| Age group, years | |
| < 45 | 385 (1.8) |
| 45–60 | 11 401 (52.3) |
| 60–70 | 6 951 (31.9) |
| 70–80 | 2 674 (12.3) |
| ≥ 80 | 372 (1.7) |
| Marital status | |
| Married | 18 310 (84.1) |
| Not married | 3 473 (15.9) |
| Residence | |
| Rural | 15 455 (70.9) |
| Urban | 6 328 (29.1) |
| Education level | |
| Illiterate | 5 385 (24.7) |
| Primary | 8 911 (40.9) |
| Middle school | 4 773 (21.9) |
| High school | 2 586 (11.9) |
| College and above | 128 (0.6) |
| Urban hukoub | |
| Agriculture | 17 194 (78.9) |
| Non-agriculture | 4 589 (21.1) |
| Family economic status, wealth quintile | |
| 1: poorest | 4 387 (20.1) |
| 2: poor | 4 539 (20.8) |
| 3: average | 4 410 (20.2) |
| 4: richer | 4 309 (19.8) |
| 5: richest | 4 138 (19.0) |
| Tobacco consumption | |
| No | 13 875 (63.7) |
| Yes | 7 908 (36.3) |
| Alcohol consumption | |
| No | 14 105 (64.8) |
| Yes | 7 678 (35.2) |
| Presence of chronic diseases | |
| No | 7 285 (33.4) |
| Yes | 14 498 (66.6) |
a The interviewer recorded respondent’s gender as either female or male.
b Hukou is an individual registered in the Chinese household registration system.
Note: Inconsistencies arise in some values due to rounding.