Have you donated blood in the past 12 months?

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Limit
Upper 95% Confidence
Limit
Yes 277 28.7 1.7 25.4 32.1
No 676 71.3 1.7 67.9 74.6

Among respondents ages 18 to 64 years who have donated blood
since March 1985, excluding those who reported not applicable
regarding risk of HIV infection and unknowns and refusals.