Table 4.
Weighted E-Tech–Estimated Racial Distributions for Categories of Nonparticipation Compared With Weighted PRISM Frame, North Carolina, 2005
| Race | Weighted PRISM Frame (Adjusted E-Tech- Estimated Race) (N =26,688)% (95% CI) | Weighted E-Tech-Estimated Nonparticipants | |||
|---|---|---|---|---|---|
|
| |||||
| Could Not Be Contacteda (n = 796)% (95% CI) | Ineligible for Studyb (n = 246)% (95% CI) | Removed From Samplec (n = 2324)% (95% CI) | Refusedd (n = 1942) % (95% CI) | ||
| Black | 13.4 (13.0-13.8) | 18.3 (15.6-20.9) | 10.7 (6.8-14.6) | 14.0 (12.6-15.4) | 13.5 (12.0-15.0) |
| White | 86.6 (86.2-87.0) | 81.7 (79.1-84.3) | 89.3 (85.4-93.2) | 86.0 (84.6-87.4) | 86.5 (85.0-88.0) |
PRISM indicates Personally Relevant Information About Screening Mammography; CI, confidence interval. N values are actual (unweighted) values whereas proportions are weighted proportions.
a
Comparison with weighted PRISM frame: z = 4.07, P < .001.
b
Comparison with weighted PRISM frame: z = −1.24, P = .22.
c
Comparison with weighted PRISM frame: z = 0.91, P = .36.
d
Comparison with weighted PRISM frame: z = 0.12, P = .91.