Table 1.
Characteristics of the Two Cohorts*
| Characteristics | Cardiovascular Health Study (CHS) N=5,654† |
Health ABC Study (ABC) N=2,706† |
|---|---|---|
| Age, mean (SD) | 72.8 (5.6) | 77.6 (2.9). |
| Female, n (%) | 3,249 (57.5) | 1,435 (53.0) |
| Black, n (%) | 815 (14.4) | 1,077 (39.8) |
| Less than high school education, n (%) | 1,640 (29.0) | 652 (24.1) |
| Married, n (%) | 3,750 (66.4) | 1,456 (54.2) |
| Current smoker, n (%) | 673 (11.9) | 246 (9.1) |
| Social support, mean (SD) | 8.3 (2.6) | 8.4 (1.7) |
| Depressive symptoms, mean (SD) | 4.7 (4.6) | 5.0 (4.4) |
| Functional comorbidity index score, mean (SD) | 2.3 (1.8) | 3.1 (1.9) |
| No. BADLS-IADLS does with difficulty or does not perform, mean (SD) | 0.5 (1.1) | 1.6 (1.6) |
| Self-reported health, mean (SD) | 2.8 (1.0) | 2.8 (1.0) |
| Died over two years follow-up n (%) | 282 (5.1) | 217 (8.2) |
| Heart failure, n (%) | 262 (4.6) | 141 (5.3) |
| COPD, n (%) | 608 (10.8) | 288 (10.7) |
| Osteoarthritis, n (%) | 3,344 (59.2) | 1,073 (40.0) |
| Cognitive impairment, n (%) | 419 (7.9) | 201 (7.7) |
BADL-IADL, basic and instrumental activities of daily living; COPD, chronic obstructive pulmonary disease
*
The Cardiovascular Health Study cohort includes both the original and the African American cohort as described in the Methods. Characteristics are at baseline for the original cohort and the first follow-up for the African-American cohort for the Cardiovascular Health Study and at Year 5–6 for the Health ABC cohort.
†
N reflects the number of participants included in at least one analysis model.