Table 3 Associations between different studied variables and participants knowledge and attitude towards CRC screening

Sex

 Males

28 (3.6%)

758 (96.4%)

0.349

574 (73%)

212 (27%)

 < 0.001

 Females

18 (2.7%)

649 (97.3%)

393 (58.9%)

274 (41.1%)

Residency

 Urban

22 (2.5%)

860 (97.5%)

0.069

466 (81.6%)

105 (18.4%)

 < 0.001

 Rural

24 (4.2%)

547 (95.8%)

501 (56.8%)

381 (43.2%)

Education

 High level

43 (6%)

679 (94%)

 < 0.001

542 (75.1%)

180 (24.9%)

 < 0.001

 Low level

3 (0.4%)

728 (99.6%)

425 (58.1%)

306 (41.9%)

Currently employed

 Yes

34 (4.5%)

721 (95.5%)

0.003

563 (74.6%)

192 (25.4%)

 < 0.001

 No (including retired)

12 (1.7%)

682 (98.3%)

400 (57.6%)

294 (42.4%)

Income level

 Middle or high

40 (6.9%)

542 (93.1%)

 < 0.001

468 (80.4%)

114 (19.6%)

 < 0.001

 Low

6 (0.7%)

865 (99.3%)

499 (57.3%)

372 (42.7%)

Do you know any relative with pre-cancerous polyp?

 Yes

6 (16.2%)

31 (83.8%)

0.001*

33 (89.2%)

4 (10.8%)

0.003

 No

40 (2.8%)

1376 (97.2%)

934 (66%)

482 (34%)

Do you know any relative with CRC?

 Yes

8 (8.3%)

88 (91.7%)

0.009*

88 (91.7%)

8 (8.3%)

 < 0.001

 No

38 (2.8%)

1319 (97.2%)

879 (64.8%)

478 (35.2%)

Do you know others diagnosed with CRC?

 Yes

21 (8.8%)

218 (91.2%)

 < 0.001

198 (82.8%

41 (17.2%)

 < 0.001

 No

25 (2.1%)

1189 (97.9%)

769 (63.3%

445 (36.7%)

Do you know anyone died of CRC?

 Yes

16 (7%)

214 (93%)

 < 0.001

189 (82.2%)

41 (17.8%)

 < 0.001

 No

30 (2.5%)

1193 (97.5%)

778 (63.6%)

445 (36.4%)

Have you been diagnosed with colorectal disease?

 Yes

23 (7.9%)

269 (92.1%)

 < 0.001

232 (79.5%)

60 (20.5%)

 < 0.001

 No

23 (2%)

1138 (98%)

735 (63.3%)

426 (36.7%)

Have you had discussions with your physician about cancer in general?

 Yes

40 (13.9%)

247 (86.1%)

 < 0.001

233 (81.2%)

54 (18.8%)

 < 0.001

 No

6 (0.5%)

1160 (99.5%)

734 (63%)

432 (37%)

Have you had discussions with your physician about cancer screening?

 Yes

39 (15.1%)

219 (84.9%)

 < 0.001

210 (81.4%)

48 (18.6%)

 < 0.001

 No

7 (0.6%)

1188 (99.4%)

757 (63.3%)

438 (36.7%)

Have you had discussions with your physician about CRC?

 Yes

29 (32.6%)

60 (67.4%)

 < 0.001*

78 (87.6%)

11 (12.4%)

 < 0.001

 No

17 (1.2%)

1347 (98.8%)

889 (65.2%)

475 (34.8%)

Have you had discussions with your physician about CRC screening?

 Yes

24 (38.7%)

38 (61.3%)

 < 0.001*

56 (90.3%)

6 (9.7%)

 < 0.001

 No

22 (1.6%)

1369 (98.4%)

911 (65.5%)

480 (34.5%)