The percentage increase in eligibles if @ - to @-pack-year current smokers were included was substantially greater for women than men ( @ % , @ % CI = @ % to @ % ; vs @ % , @ % CI = @ % to @ % , P < @ ) and for minorities than non-Hispanic whites ( @ % , @ % CI = @ % to @ % ; vs @ % , @ % CI = @ % to @ % , P < @ ) .