Table 3.
Cognitive Impairment, Depressive Symptoms, and Relative Risk of 2-Year Functional Decline, Multivariate Results, by Baseline Activities of Daily Living Status (N = 5,697)
| Relative Risk (95% Confidence Interval)* |
|||
|---|---|---|---|
| Model | Participant Group | Dependent at Baseline (n = 525) | Independent at Baseline (n = 5,172) |
| 3 | Cognitive impairment | 1.9 (1.3–2.7) | 2.2 (1.6–2.8) |
| No impairment | 1 | 1 | |
| Depressive symptoms | 0.8 (0.5–1.2) | 1.7 (1.3–2.2) | |
| No depressive symptoms | 1 | 1 | |
| 4 | Cognitive impairment alone | 1.9 (1.2–2.8) | 2.3 (1.7–3.1) |
| Depressive symptoms alone | 0.6 (0.3–1.3) | 1.9 (1.3–2.6) | |
| Cognitive impairment and depressive symptoms | 1.5 (0.8–2.6) | 2.4 (1.4–3.7) | |
| Neither depressive symptoms nor cognitive impairment | 1 | 1 | |
Full adjustment for age, education, race, gender, marital status, medical comorbidities, smoking and alcohol use, Medicare insurance, and income.