Has the use of cervical, breast, and colorectal cancer screening increased in the United States?

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Abstract
This report describes trends in reported breast, cervical, and colorectal cancer screening within the US population from 1987 to 1992. Data from the 1987 and 1992 Cancer Control Supplements of the National Health Interview Survey were analyzed to determine use of Pap smears by women aged 18+; of mammography and clinical breast examination by women aged 50+; and of proctoscopy, digital rectal examination, and fecal occult blood testing among men and women aged 50+. Use of mammography doubled between 1987 and 1992 while Pap smear use changed very little. Use of the three colorectal cancer screening modalities increased but levels remained low. Usage trends were also assessed in relation to several sociodemographic factors. Disparities in screening reported in 1987 according to income and education persisted in 1992.