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Table 4 Recognition of cancer warning signs

From: Increased cancer awareness among British adolescents after a school-based educational intervention: a controlled before-and-after study with 6-month follow-up

Cancer warning sign Yes % (n)

Intervention (n=290)

Control (n=132)

 

T0

T1

Change

Significance

T0

T1

Change

Significance

Unexplained pain

51.4 (147)

88.5 (253)

37.1 (106)

p<0.001

37.4 (49)

48.1 (63)

10.7 (14)

p=0.024

Unexplained weight loss

45.1 (129)

79.0 (226)

33.9 (97)

p<0.001

32.8 (43)

42.7 (56)

9.9 (13)

p=0.041

Sore that does not heal

28.2 (80)

57.0 (162)

28.8 (82)

p<0.001

17.4 (23)

23.5 (31)

6.1 (8)

p=0.169

Cough or hoarseness

39.0 (112)

66.6 (191)

27.6 (79)

p<0.001

19.7 (26)

31.1 (41)

11.4 (15)

p=0.024

Unexplained bleeding

52.8 (151)

78.7 (225)

25.9 (74)

p<0.001

40.2 (53)

48.5 (64)

8.3 (11)

p=0.117

Difficulty swallowing

38.9 (111)

60.0 (171)

21.1 (60)

p<0.001

32.6 (43)

36.4 (48)

3.8 (5)

p=0.511

Change in bowel/bladder habits

54.4 (155)

74.4 (212)

20.0 (57)

p<0.001

56.8 (75)

50.8 (67)

-6.0 (-8)

p=0.256

Change in appearance of a mole

64.9 (185)

84.2 (240)

19.3 (55)

p<0.001

49.2 (65)

46.2 (61)

-3.0 (-4)

p=0.585

Lump or swelling

93.4 (268)

94.1 (270)

0.7 (2)

p=0.851

80.2 (105)

84.7 (111)

4.5 (6)

p=0.210

  1. Note: McNemar’s chi-square test for 2x2 tables (i.e., Yes vs. No/Don’t know). Statistically significant differences at the p<0.05 level are emboldened.