Table 1 Demographic and clinical characteristics of the study population
Demographic characteristics | Total N = 1897 (%) |
|---|---|
Age, mean (SD) | 73.8 (6.2) |
Age group | Â |
  65–69 | 561 (29.6) |
  70–74 | 575 (30.3) |
  75–79 | 392 (20.6) |
  ≥ 80 | 369 (19.5) |
Sex | Â |
  Men | 874 (46.1) |
  Women | 1023 (53.9) |
Married/living with spouse vs. others | 1457 (77.0) |
Highest educational level | Â |
  Primary school and below | 571 (30.4) |
  Middle school | 801 (42.6) |
  High school and above | 509 (27.0) |
Living with family vs. along | 1641 (86.6) |
Medical conditions | Â |
  Hypertension | 1709 (90.1) |
  Diabetes | 469 (24.7) |
  Hyperlipidemia | 109 (5.8) |
  Coronary heart disease | 95 (5.0) |
  Gout | 13 (0.7) |
  Chronic obstructive pulmonary disease | 9 (0.5) |
  Stroke | 53 (2.8) |
  Rheumatism | 7 (0.4) |
  Arthritis | 7 (0.4) |
  Cancer | 7 (0.4) |
  Others | 81 (4.3) |
Number of chronic conditions | Â |
  1 | 1364 (71.9) |
  2 | 421 (22.2) |
  ≥ 3 | 112 (5.9) |
Number of medications | Â |
  1–2 | 1483 (78.2) |
  ≥ 3 | 413 (21.8) |
Self-rated health | Â |
  Excellent/good | 1774 (93.5) |
  Fair/poor | 123 (6.5) |