Table 2.
Screening Test Use by U.S. Women Aged 65 Years and Older With No History of Breast or Colorectal Cancer (N = 675), Health Information National Trend Survey, 2003
| Screening Characteristic | Total Sample Sizea | Adherenceb (n) | Pop. Est., % (95% CI) |
|---|---|---|---|
| Ever had mammogram | 673 | 608 | 89.4 (85.5-92.4) |
| Mammogram within previous 2 years | 669 | 528 | 78.8 (74.5-82.5) |
| Ever had fecal occult blood test (FOBT) | 672 | 377 | 53.8 (48.9-58.6) |
| FOBT within previous year | 662 | 166 | 23.6 (19.9-27.6) |
| Ever had sigmoidoscopy | 655 | 194 | 26.2 (22.7-30.0) |
| Ever had colonoscopy | 664 | 275 | 41.0 (36.3-45.9) |
| Sigmoidoscopy or colonoscopy within previous 5 years | 661 | 272 | 38.8 (34.3-43.5) |
| FOBT in previous year or endoscopy in previous 5 years | 660 | 350 | 51.6 (46.6-56.6) |
CI indicates confidence interval.
a
Numbers do not equal 675 because respondents with "don't know" responses, refusals, or missing information were excluded.
b
Adherence is defined as mammography screening within previous 2 years, fecal occult blood test within previous year, or sigmoidoscopy or colonoscopy screening within previous 5 years.