Table 1.
Demographic characteristics of REGARDS study participants (N=30,086)a stratified by race-county regions.
| All | US region as defined by Murray et al | ||||||
|---|---|---|---|---|---|---|---|
|
|
|||||||
| White Regions | Black Regions | ||||||
|
|
|||||||
| Characteristics | North-land White | Middle America White | Low Income White | Middle America Black | Southern Low Income Rural Blacks | High Risk Urban Black | |
|
| |||||||
| Total participants | 30086 | 136 | 15464 | 2020 | 6824 | 2761 | 2881 |
| Percent | |||||||
|
| |||||||
| Blacks | 41.4 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 |
| Female | 55.1 | 53.7 | 49.9 | 51.9 | 60.8 | 65.4 | 61.8 |
| Income | |||||||
| ≤$20k | 18.1 | 14.0 | 11.2 | 17.5 | 24.3 | 34.2 | 26.0 |
| $20k-$34k | 24.2 | 22.8 | 22.1 | 26.8 | 26.6 | 26.0 | 26.6 |
| $35k-$74k | 29.6 | 42.6 | 32.9 | 30.2 | 26.6 | 21.2 | 26.0 |
| ≥$75k | 15.8 | 11.0 | 21.6 | 14.0 | 9.8 | 5.8 | 9.6 |
| Refused | 12.3 | 9.6 | 12.2 | 11.5 | 12.7 | 12.8 | 11.9 |
| Education | |||||||
| ≥College | 34.7 | 22.8 | 42.8 | 29.8 | 26.5 | 23.0 | 25.8 |
| Some College | 26.8 | 34.6 | 27.1 | 26.1 | 28.4 | 21.0 | 27.6 |
| High school | 25.9 | 36.0 | 23.4 | 31.9 | 27.1 | 30.5 | 27.4 |
| ≤High school | 12.6 | 6.6 | 6.7 | 12.2 | 18.1 | 25.5 | 19.1 |
| Self-reported general health | |||||||
| Excellent | 16.0 | 16.9 | 20.8 | 17.3 | 10.1 | 8.3 | 10.4 |
| Very good | 30.5 | 43.4 | 35.9 | 31.4 | 24.6 | 20.4 | 23.5 |
| Good | 35.1 | 31.6 | 31.0 | 33.1 | 40.1 | 40.7 | 41.4 |
| Fair | 15.0 | 7.4 | 9.7 | 13.8 | 20.9 | 25.2 | 20.4 |
| Poor | 3.5 | 0.7 | 2.7 | 4.4 | 4.2 | 5.4 | 4.2 |
a
Of the 30,239 participants, 56 were excluded due to data anomalies, and 97 excluded due to geocoding issues, resulting in the analysis cohort of 30,086 participants.