Table 1.
Population Characteristics from Included Studies
| Characteristic | Median (IQI) | Studies reporting characteristic, n (%)a |
|---|---|---|
| Age (years) | 60.3 (50.3–64.4) | 38 (84) |
| Gender (%) | ||
| Male | 45.5 (39.6–50.0) | 35 (78) |
| Female | 54.6 (50.0–60.4) | 35 (78) |
| Race/ethnicity (%) | ||
| White | 58.5 (50.0–94.2) | 14 (32) |
| Black | 47.5 (14.5–79.5) | 9 (21) |
| Hispanic | 5.7 (1.7–21.0) | 5 (11) |
| Other | 2.0 (1.5–2.1) | 7 (16) |
| Income | ||
| Low-income | NA | 1 (2) |
| Education (%) | ||
| Less than high school | 18.0 (NA) | 3 (7) |
| High school diploma | 46.7 (38.1–68.9) | 4 (9) |
| College or university | 36.4 | 2 (5) |
| Insurance status (%) | ||
| Private insurance | 39.5 (29.3–50.8) | 5 (11) |
| Medicare/Medicaid (U.S. studies) | 23.5 (18.0–39.8) | 5 (11) |
| Uninsured | 18.5 (7.7–39.8) | 5 (11) |
a
Total number of studies (and proportion of total number of included studies) that reported specific demographic characteristics.
IQI, interquartile interval; NA, not available.