Table 1 Socio-demographic characteristics and self-reported prevalence of chronic conditions in the study population
Variable | All respondents N = 4,565 | Questionnaire respondents N = 3,833 | Telephone respondents N = 732 |
|---|---|---|---|
Mean age, years (SD) | 73.86 (6.23) | 73.44 (6.04) | 76.03 (6.70) |
Male sex, n (%) | 2,198 (48.1%) | 1,897 (49.5%) | 301 (41.1%) |
Education, n (%) | Â | Â | Â |
   Primary | 3,328 (70.7%) | 2,665 (69.6%) | 563 (76.9%) |
   Secondary | 803 (17.6%) | 699 (18.2%) | 104 (14.2%) |
   Tertiary | 532 (11.7%) | 467 (12.2%) | 65 (8.9%) |
Mean BMI, kg/m2 (SD) | 27.45 (4.44) | 27.39 (4.34) | 27.76 (4.93) |
Diabetes mellitus, n (%) | 798 (17.5%) | 652 (17.0%) | 146 (20.0%) |
Chronic bronchitis, n (%) | 297 (6.5%) | 241 (6.3%) | 56 (7.7%) |
Hypertension, n (%) | 2,700 (59.2%) | 2,240 (58.5%) | 460 (63.1%) |
Coronary event, n (%) | 461 (10.1%) | 376 (9.8%) | 85 (11.6%) |
   Bypass operation, n (%) | 178 (3.9%) | 147 (3.8%) | 31 (4.2%) |
   Myocardial infarction (MI), n (%) | 395 (8.7%) | 325 (8.5%) | 70 (9.6%) |
   Mean time since last MI, years (SD) | 10.49 (8.24) | 10.69 (8.32) | 9.52 (7.82) |
Stroke, n (%) | 330 (7.2%) | 248 (6.5%) | 82 (11.2%) |
   Mean time since last stroke, years (SD) | 6.72 (6.57) | 6.55 (6.45) | 7.27 (6.95) |
Cancer, n (%) | 608 (13.3%) | 511 (13.3%) | 97 (13.3%) |
   Mean time since last diagnosis, years (SD) | 8.79 (8.64) | 8.58 (8.52) | 9.94 (9.26) |