Table 4 Characteristics of subpopulations with different extent of ageing-dependent health burden in the older Chinese adults
Variables | All | Subpopulations with different health decline (Percentage distribution) | ||||
|---|---|---|---|---|---|---|
 < -1.34 (least decline) n = 2,694 | -1.34 to -1.03 (moderate decline) n = 2,702 |  > -1.03 (largest decline) n = 2,697 | N | Statistics (p value) | ||
Age | 8,093 | 1008.05 (p < 0.001) | ||||
 60–69 | 3,348 (41.37%) | 1,597 (59.28%) | 1,122 (41.52%) | 629 (23.32%) | ||
 70–79 | 3,185 (39.35%) | 879 (32.63%) | 1,177 (43.56%) | 1,129 (41.86%) | ||
  ≥ 80 | 1,560 (19.28%) | 218 (8.09%) | 403 (14.91%) | 939 (34.82%) | ||
Sex | 8,093 | 3.53 (p = 0.17) | ||||
 Female | 3,786 (46.78%) | 1,222 (45.36%) | 1,274 (47.15%) | 1,290 (47.83%) | ||
 Male | 4,307 (53.22%) | 1,472 (54.64%) | 1,428 (52.85%) | 1,407 (52.17%) | ||
Residency | 8,093 | 262.78 (p < 0.001) | ||||
 Urban | 6,265 (77.62%) | 2,132 (79.37%) | 2,102 (77.94%) | 2,031 (75.56%) | ||
 Rural | 1,806 (22.38%) | 554 (20.63%) | 595 (22.06%) | 657 (24.44%) | ||
Source/setting | 8,071 | 11.50 (p = 0.003) | ||||
 Community | 3,885 (48.00%) | 1,579 (58.61%) | 1,319 (48.82%) | 987 (36.60%) | ||
 Hospital | 4,208 (52.00%) | 1,115 (41.39%) | 1,383 (51.18%) | 1,710 (63.40%) | ||
Educational attainment (Years) | 7,924 | 228.61 (p < 0.001) | ||||
  ≤ 5 | 2,138 (26.98%) | 467 (17.91%) | 702 (26.50%) | 969 (36.32%) | ||
 6–9 | 1,596 (20.14%) | 573 (21.98%) | 539 (20.35%) | 484 (18.14%) | ||
  ≥ 9 | 4,190 (52.88%) | 1,567 (60.11%) | 1,408 (53.15%) | 1,215 (45.54%) | ||
Personal Income (Quartile) | 6,872 | 112.58 (p < 0.001) | ||||
 Lowest | 1,721 (25.04%) | 513 (19.80%) | 597 (26.84%) | 611 (29.70%) | ||
 Second | 1,712 (24.91%) | 611 (23.58%) | 592 (26.62%) | 509 (24.74%) | ||
 Third | 1,712 (24.91%) | 756 (29.18%) | 553 (24.87%) | 403 (19.59%) | ||
 Highest | 1,727 (25.13%) | 711 (27.44%) | 482 (21.67%) | 534 (25.96%) | ||