Table 2 Knowledge about cancer and colorectal cancer

There are many types of cancer

Trae

94.3

95.0

93.5

0.729

False

0.3

0.3

0.4

I don't know

5.3

4.8

6.2

Some cancers can be cured

Trae

93.2

93.8

92.3

0.617

False

3.4

2.8

4.2

I don't know

3.4

3.4

3.5

Cancer is a fatal disease

Trae

27.9

27.0

29.1

0.801

False

65.4

65.9

64.7

I don't know

6.7

7.1

6.2

Many cancer cases could be avoided by doing more exercise

Trae

45.1

39.4

53.1

0.003

False

17.1

18.7

15.0

I don't know

37.7

41.9

31.9

Many cancer cases could be avoided by giving up smoking

Trae

92.2

90.2

95.0

0.065

False

2.8

3.1

2.3

I don't know

5.0

6.7

2.7

Many cancer cases could be avoided by eating more fruits and vegetables

Trae

69.9

68.8

71.3

0.266

False

7.5

8.9

5.4

I don't know

22.7

22.3

23.3

Cancer diagnosis before symptoms can improve chances of survival

Trae

88.2

88.5

87.7

0.476

False

1.0

0.6

1.5

I don't know

10.8

10.9

10.7

More than half of colorectal cancer cases survive five years after diagnosis

Trae

44.7

45.3

43.8

0.759

False

7.6

8.1

6.9

I don't know

47.7

46.6

49.2

Intestinal polyps must be removed because they can become a cancer

Trae

64.2

66.8

60.6

0.224

False

2.6

2.8

2.3

I don't know

33.2

30.4

37.1

Which of the following symptoms indicate a colorectal cancer

Bloody stools

72.2

76.5

66.3

0.006

Diarrhea-Constipation

42.9

48.5

35.2

0.001

Abdominal pain

23.6

24.1

23.0

0.775

Headache

8.8

8.0

10.0

0.475

Fatigue

37.9

39.6

35.6

0.317

Paleness

32.0

34.3

28.7

0.163

Difficulty swallowing

13.8

13.9

13.8

1.000

Weight loss

55.6

61.5

47.5

0.001

Burning stomach

15.6

14.7

16.9

0.502

Tenesmus

22.2

24.9

18.4

0.063

Pain during defecation

36.2

37.1

34.9

0.612

I don't know

20.9

17.2

26.1

0.009