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Table 4 Understanding of cancer among high school students

From: Cancer understanding among Japanese students based on a nationwide survey

Kind of cancer

Responses

Boys (n = 1,546)

Girls (n = 2,157)

N

%

(95 % CI)

N

%

(95 % CI)

Breast cancer

Never heard

38

2.5

(1.7, 3.3)

24

1.1

(0.7, 1.6)

Heard/Don’t understand

876

57.4

(54.9, 59.9)

829

38.8

(36.8, 40.9)

Heard/Understand

612

40.1

(37.6, 42.6)

1282

60.0

(58.0, 62.1)

Leukemia

Never heard

50

3.3

(2.4, 4.2)

40

1.9

(1.3, 2.5)

Heard/Don’t understand

812

53.2

(50.7, 55.7)

908

42.6

(40.5, 44.7)

Heard/Understand

664

43.5

(41.0, 46.0)

1184

55.5

(53.4, 57.6)

Lung cancer

Never heard

44

2.9

(2.1, 3.7)

33

1.6

(1.0, 2.1)

Heard/Don’t understand

747

49.2

(46.7, 51.7)

1064

50.2

(48.0, 52.3)

Heard/Understand

728

47.9

(45.4, 50.4)

1024

48.3

(46.2, 50.4)

Uterine cancer

Never heard

124

8.2

(6.8, 9.5)

59

2.8

(2.1, 3.5)

Heard/Don’t understand

986

64.9

(62.5, 67.3)

972

45.6

(43.5, 47.7)

Heard/Understand

409

26.9

(24.7, 29.2)

1100

51.6

(49.5, 53.7)

Brain tumor

Never heard

97

6.4

(5.1, 7.6)

96

4.5

(3.6, 5.4)

Heard/Don’t understand

880

57.8

(55.3, 60.3)

1154

54.1

(52.0, 56.2)

Heard/Understand

545

35.8

(33.4, 38.2)

883

41.4

(39.3, 43.5)

Skin cancer

Never heard

93

6.1

(4.9, 7.3)

86

4.0

(3.2, 4.9)

Heard/Don’t understand

899

59.1

(56.6, 61.5)

1218

57.1

(55.0, 59.2)

Heard/Understand

530

34.8

(32.4, 37.2)

828

38.8

(36.8, 40.9)

Stomach cancer

Never heard

66

4.3

(3.3, 5.4)

68

3.2

(2.4, 3.9)

Heard/Don’t understand

910

59.8

(57.3, 62.2)

1264

59.4

(57.3, 61.5)

Heard/Understand

547

35.9

(33.5, 38.3)

796

37.4

(35.4, 39.5)

Esophageal cancer

Never heard

76

5.0

(3.9, 6.1)

59

2.8

(2.1, 3.5)

Heard/Don’t understand

940

61.6

(59.2, 64.0)

1303

61.0

(59.0, 63.1)

Heard/Understand

510

33.4

(31.1, 35.8)

773

36.2

(34.2, 38.2)

Liver cancer

Never heard

102

6.7

(5.5, 8.0)

115

5.4

(4.4, 6.4)

Heard/Don’t understand

982

64.8

(62.4, 67.2)

1450

68.1

(66.1, 70.1)

Heard/Understand

432

28.5

(26.2, 30.8)

565

26.5

(24.7, 28.4)

Colon cancer

Never heard

222

14.7

(12.9, 16.5)

277

13.1

(11.7, 14.6)

Heard/Don’t understand

929

61.4

(58.9, 63.9)

1345

63.7

(61.7, 65.8)

Heard/Understand

362

23.9

(21.8, 26.1)

488

23.1

(21.3, 24.9)

Prostate cancer

Never heard

336

22.2

(20.1, 24.3)

620

29.2

(27.3, 31.1)

Heard/Don’t understand

909

60.0

(57.6, 62.5)

1173

55.3

(53.1, 57.4)

Heard/Understand

269

17.8

(15.8, 19.7)

330

15.5

(14.0, 17.1)

Pancreatic cancer

Never heard

264

17.5

(15.6, 19.4)

305

14.4

(12.9, 15.9)

Heard/Don’t understand

1010

67.0

(64.6, 69.3)

1495

70.5

(68.5, 72.4)

Heard/Understand

234

15.5

(13.7, 17.3)

322

15.2

(13.6, 16.7)

Ovarian cancer

Never heard

576

38.2

(35.7, 40.6)

757

35.9

(33.9, 38.0)

Heard/Don’t understand

730

48.4

(45.9, 50.9)

1010

47.9

(45.8, 50.0)

Heard/Understand

202

13.4

(11.7, 15.1)

341

16.2

(14.6, 17.7)

Testicular cancer

Never heard

575

38.0

(35.6, 40.5)

871

41.2

(39.1, 43.3)

Heard/Don’t understand

725

47.9

(45.4, 50.5)

1018

48.1

(46.0, 50.3)

Heard/Understand

212

14.0

(12.3, 15.8)

226

10.7

(9.4, 12.0)

Bladder cancer

Never heard

555

36.9

(34.5, 39.3)

905

42.8

(40.7, 44.9)

Heard/Don’t understand

755

50.2

(47.7, 52.7)

989

46.8

(44.6, 48.9)

Heard/Understand

194

12.9

(11.2, 14.6)

221

10.4

(9.1, 11.8)

  1. CI confidence interval