Table 1.
County-Level Prevalence Estimates of Mammography Produced From Small-Area Estimation by Using BRFSS and Census Data, Women Aged 40-79 Years, by Race and by Age, 2000
| Category | Meana County-level Prevalence, % (95% CI) | Range of County-level Prevalence, % |
|---|---|---|
| Overall | 77.9 (77.8-78.0) | 69.6-84.0 |
| Race | ||
| White | 78.4 (78.4-78.5) | 73.8-84.3 |
| Blackb | 78.5 (78.4-78.6) | 65.0-92.0 |
| Other nonwhitec | 67.4 (67.2-67.7) | 36.0-83.0 |
| Age, y | ||
| 40-49 | 71.2 (71.0-71.3) | 56.7-79.8 |
| 50-64 | 82.3 (82.2-82.3) | 75.7-89.5 |
| 65-79 | 80.7 (80.6-80.8) | 53.0-88.0 |
Abbreviations: BRFSS, Behavioral Risk Factor Surveillance System; CI, confidence interval.
a
Mean and median of county-level prevalence were <2 percentage points different.
b
Three hundred forty-two counties had no black population for which to estimate prevalence.
c
Four counties had no other nonwhite race population for which to estimate prevalence.