Was your last mammogram done as part of a routine
checkup, because of a breast problem other than
cancer, or because you've already had breast cancer?

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Limit		 Upper 95% Confidence
Limit
Routine checkup 1487 90.4 0.8 88.8 92.0
Breast problem other than cancer 124 7.5 0.7 6.1 9.0
Had breast cancer 30 2.1 0.4 1.3 2.9

Among female respondents who had ever had a mammogram,
excluding unknowns and refusals.