Table 2.

Knowledge and awareness of colorectal cancer screening by primary care physician specialty, MCBS 2006-2007 (n = 3,276)

Interview items	CRC screening knowledge and awareness by Specialty % (95% CI)
	General Internist, n = 1,624	Family Physicians, n = 1,652	Wald test p-values
Previously heard of colon cancer	86.6 (84.2-89.0)	86.4 (82.8-90.0)	0.91
Previously heard of colonoscopy*	76.6 (72.3-80.9)	82.1 (78.8-85.4)	0.04
Previously heard of home FOBT kit	50.1 (44.8-55.3)	54.4 (50.4-58.3)	0.15
Returned most recent FOBT kit	94.9 (93.2-96.7)	93.5 (91.5-95.5)	0.27
Knew of Medicare's benefit for screening stratified by prior receipt of colonoscopy*
Previously had colonoscopy	57.9 (54.0-61.8)	54.1 (49.9-58.2)	0.12
Not previously had colonoscopy	34.4 (29.7-39.1)	31.7 (28.1-35.3)	0.34

*Refers to colonoscopy or sigmoidoscopy; FOBT Home fecal occult blood test