Table 2.
Predictors of Attrition Within the 80+ Cohort by Baseline Characteristics
| N = 79,889 | Unadjusted | Adjusted* |
|---|---|---|
| Hazard Ratio (95% CI) | Hazard Ratio (95% CI) | |
| Age (1-y increase) | 1.08 (1.08, 1.09) | 1.08 (1.08, 1.09) |
| Race/ethnicity | ||
| White | 1.00 | 1.00 |
| Black | 1.65 (1.60, 1.71) | 1.38 (1.33, 1.43) |
| Hispanic | 1.70 (1.61, 1.79) | 1.60 (1.51, 1.70) |
| American Indian | 1.75 (1.52, 2.00) | 1.52 (1.31, 1.76) |
| Asian/Pacific Islander | 1.64 (1.56, 1.73) | 1.65 (1.56, 1.75) |
| Unknown | 1.33 (1.24, 1.44) | 1.22 (1.12, 1.32) |
| Education | ||
| Post HS | 1.00 | 1.00 |
| ≤ High school diploma/GED | 1.35 (1.32, 1.38) | 1.20 (1.18, 1.23) |
| Smoking status | ||
| Never | 1.00 | 1.00 |
| Past | 1.07 (1.05, 1.09) | 1.14 (1.12, 1.17) |
| Current | 1.64 (1.58, 1.71) | 1.78 (1.71, 1.86) |
| General health | ||
| Excellent | 1.00 | 1.00 |
| Very good | 1.29 (1.25, 1.33) | 1.20 (1.16, 1.25) |
| Good | 1.84 (1.78, 1.90) | 1.54 (1.48, 1.59) |
| Fair | 2.85 (2.74, 2.96) | 2.07 (1.98, 2.16) |
| Poor | 4.09 (3.69, 4.52) | 2.57 (2.31, 2.87) |
| Depressive symptoms † | ||
| No | 1.00 | 1.00 |
| Yes | 1.38 (1.34, 1.43) | 1.16 (1.12, 1.20) |
| Total recreational physical activity | ||
| High | 1.00 | 1.00 |
| Moderate | 1.10 (1.07, 1.13) | 1.02 (0.99, 1.05) |
| Low | 1.29 (1.26, 1.32) | 1.08 (1.05, 1.11) |
| None | 1.45 (1.41, 1.50) | 1.15 (1.11, 1.19) |
| Body mass index (kg/m 2 ) | ||
| <25 | 1.00 | 1.00 |
| 25 to <30 | 1.02 (1.00, 1.04) | 0.98 (0.95, 1.00) |
| 30 to <35 | 1.15 (1.12, 1.18) | 1.05 (1.01, 1.08) |
| 35 to <40 | 1.25 (1.20, 1.29) | 1.08 (1.04, 1.13) |
| ≥40 | 1.45 (1.37, 1.53) | 1.22 (1.16, 1.30) |
| History of CVD ‡ | ||
| No | 1.00 | 1.00 |
| Yes | 1.61 (1.56, 1.65) | 1.22 (1.19, 1.26) |
Notes: CES-D/DIS = Center for Epidemiologic Studies Depression scale; CHF = congestive heart failure; CI = confidence interval; CVD = cardiovascular disease; GED = General Educational Development; HS = high school; MI = myocardial infarction.
*Estimates from a multivariable model that includes all listed variables.
† CES-D/DIS score ≥0.06.
‡ Defined as MI, stroke, angina, revascularization, or CHF.