Table 1.
Sample characteristics
| Characteristic | Sample weighted mean or proportion and 95% confidence interval (n = 2,847) | Sampling Frame mean or proportion (n = 6,384,199) |
|---|---|---|
| Age | 75.6 (75.4 – 75.9) | 76.5 |
| Age 65–69, % | 21.4 (19.8 – 23.0) | 20.3 |
| Age 70–74, % | 27.2 (25.5 – 28.9) | 25.6 |
| Age 75–79, % | 23.5 (21.9 – 25.2) | 22.4 |
| Age 80–84, % | 18.1 (16.7 – 19.7) | 17.0 |
| Age 85+ , % | 9.8 (8.8 – 11.1) | 14.8 |
| Male, % | 42.5 (40.6 – 44.4) | 41.5 |
| Non-Hispanic white, % | 85.0 (83.7 – 86.1) | 86.6 |
| Black, % | 6.3 (5.8 – 6.9) | 8.1 |
| Hispanic, % | 4.6 (3.8 – 5.5) | 1.8 |
| Other, % | 4.2 (3.4 – 5.0) | 3.5 |
| Less than HS education, % | 21.4 (19.8 – 23.0) | 19.3* |
*Imputed from mean US Census ZIP level education