Table 1.
Sample characteristics for the National Health and Aging Trends Study.
| Characteristic | Mean (SD) or % (n) |
|---|---|
| Age (range 65–107) | 74.18 (6.55) |
| Female | 57.94% (1887) |
| Race and ethnicity | |
| White, non-Hispanic | 75.90% (2472) |
| Black, non-Hispanic | 16.67% (543) |
| Hispanic | 4.08% (133) |
| Other | 3.35% (109) |
| Highest level of education | |
| Less than high school | 14.64% (471) |
| High school degree | 48.23% (1552) |
| College degree | 37.13% (1195) |
| Income (thousands, USD) | 61.09 (67.35) |
| Marital status | |
| Not married | 50.84% (1655) |
| Married | 49.16% (1600) |
| Household size (no. of individuals) | 1.93 (1.01) |
| Metropolitan residence | 80.14% (2610) |
| Residential setting | |
| Community dwelling | 93.12% (3033) |
| Residential care or nursing home | 6.88% (224) |
| Self-rated health (0–4; poor to excellent) | 2.28 (0.98) |
| Body mass index (kg/m2) | 27.91 (6.08) |
| ADL limitations | |
| None | 84.20% (2728) |
| At least one | 15.80% (512) |
| Proxy respondent | 2.21% (72) |
| Depression | 8.91% (288) |
| Anxiety | 7.66% (248) |
| Dementia | 14.89% (485) |
| History of heart attack | 16.94% (548) |
| History of hypertension | 73.88% (2401) |
| History of diabetes | 28.10% (910) |
| History of stroke | 12.43% (402) |
ADL, activities of daily living; SD, standard deviation.