Effectiveness of colonoscopy, immune fecal occult blood testing, and risk-graded screening strategies in colorectal cancer screening

Table 1 Comparison of baseline data among 19373 subjects, n (%)

Index	Colonoscopy group (n = 3883)	FIT group (n = 7793)	Graded screening group (n = 7697)	P value
Gender				0.172
Male	1617 (41.6)	310 (42.5)	3155 (41.0)
Female	2266 (58.4)	4483 (57.5)	4542 (99.0)
Age (years)				0.545
50-54	906 (23.3)	1825 (23.4)	1836 (23.9)
55-59	830 (21.4)	1605 (20.6)	1574 (20.4)
60-64	992 (25.5)	1924 (24.7)	1886 (24.5)
65-69	807 (20.8)	1729 (22.2)	1658 (21.5)
70-74	348 (9.0)	712 (9.1)	743 (9.7)
Educational background				0.614
Junior high school and below	2701 (73.4)	5605 (72.2)	5595 (72.9)
High school	696 (18.0)	542 (19.9)	1495 (19.5)
University and above	281 (7.6)	621 (8.0)	582 (7.6)
Body mass index (kg/m²)				0.614
< 23	1395 (37.9)	2872 (37.01)	2860 (37.3)
≥ 23	2283 (62.1)	4896 (63.0)	4812 (62.7)
Smoking				646
Non-smoking	2978 (81.0)	6269 (80.7)	6154 (80.2)
Quit smoking	572 (15.6)	1217 (15.7)	1212 (15.8)
Smoking	28 (3.5)	282 (3.6)	306 (4.0)
Drinking				0.168
Never	2659 (72.3)	5722 (73.7)	5649 (73.6)
Occasionally	491 (13.3)	047 (13.5)	983 (12.8)
Law	528 (14.4)	999 (12.9)	1040 (13.6)
Family history of colorectal cancer among first-degree relatives				< 0.001
Yes	60 (4.4)	335 (4.3)	473 (6.2)
No	3427 (93.2)	7277 (93.7)	7018 (91.7)
Unclear	91 (2.5)	156 (2.0)	161 (2.1)

FIT: Fecal occult blood test.