Abstract
Two approaches to the recruitment of subjects for screening for fecal occult blood were tested in two middle-class neighborhoods in Jerusalem. After invitations were mailed to 2,909 persons aged 40 and older, 855 (29%) requested the special "Colo-Screen" packet of slides; and 496, one-sixth of those contacted originally, ultimately returned stool specimens for examination. In a parallel campaign by family doctors, invitations were distributed personally to 324 patients visiting a Sick Fund Clinic; 225 (69%) requested Colo-Screen slides and 137 (42% of the persons invited) sent in stool specimens. Males and females responded equally. Of the 633 specimens received, 29 (4.6%) were positive for occult blood; two cancers and seven adenomatous polyps were found and resected. Screening programs for colorectal cancer should encourage greater personal participation of family doctors in the recruitment process.
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