Table 1. Demographic and Medical Characteristics.
| Variables | Mortality, No. (%) | P value | |
|---|---|---|---|
| No (n = 8876) | Yes (n = 1823) | ||
| Age, mean (SD), y | 68.3 (8.8) | 73.2 (7.5) | <.001 |
| Sex | |||
| Male | 3823 (43.1) | 1102 (60.5) | <.001 |
| Female | 5053 (56.9) | 721 (39.6) | |
| Income levels | |||
| Medical aid | 95 (1.1) | 20 (1.1) | .71 |
| Quartile 1 (lowest) | 1724 (19.4) | 335 (18.4) | |
| Quartile 2 | 1600 (18.0) | 315 (17.3) | |
| Quartile 3 | 2209 (24.9) | 463 (25.4) | |
| Quartile 4 (highest) | 3248 (36.6) | 690 (37.9) | |
| Urban residential area | 3671 (41.4) | 623 (34.2) | <.001 |
| Disability registration | 394 (4.4) | 201 (11.0) | <.001 |
| Comorbidities | |||
| Charlson Comorbidity Index score, median (IQR) | 2 (1-4) | 3 (2-5) | <.001 |
| Diabetes | 2797 (31.5) | 774 (42.5) | <.001 |
| Hypertension | 4793 (54.0) | 1065 (58.4) | <.001 |
| Dyslipidemia | 4268 (48.1) | 807 (44.3) | .003 |
| Current smoking | 449 (5.1) | 116 (6.4) | .02 |
| Heavy drinking | 86 (1.0) | 26 (1.4) | .08 |
| Physically active | 3699 (41.7) | 515 (28.3) | <.001 |
| MET-min/wk, median (IQR) | 450 (0-900) | 270 (77-148) | <.001 |
| BMI, mean (SD) | 24.0 (3.1) | 23.1 (3.31) | <.001 |
| Blood pressure, mean (SD), mm Hg | |||
| Systolic | 126.1 (15.2) | 126.5 (16.5) | .32 |
| Diastolic | 76.4 (9.7) | 76.1 (10.2) | .21 |
| Laboratory findings, mean (SD), mg/dL | |||
| Total cholesterol | 185.9 (38.3) | 180.5 (39.7) | <.001 |
| High-density lipoprotein cholesterol | 52.3 (13.1) | 50.4 (13.3) | <.001 |
| Low-density lipoprotein cholesterol | 108.8 (38.9) | 105.4 (35.5) | <.001 |
| Triglycerides | 109 (79-152) | 107 (77-148) | .14 |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); MET, metabolic equivalent task.
SI conversion factors: To convert high-density and low-density cholesterol to mmol/L, multiply by 0.0259; triglycerides to mmol/L, multiply by 0.0113.