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Table 3 Knowledge on risk factors for breast cancer

From: Awareness of breast cancer among adolescent girls in Colombo, Sri Lanka: a school based study

Risk factor

Correct answer (Percentage)

Wrong answer (Percentage)

Don’t know (Percentage)

Older age (>45 years) is a risk factors for breast cancer

27.5

46.3

26.2

Early menarche (<12 years)

5.7

63.8

30.5

Late menopause (>55 years)

12.2

38.9

48.9

Having no children

18.9

45.5

35.6

Having more than 5 children

50.6

7.5

41.9

Late age at first child birth

16.8

35.5

47.7

Oral contraceptive use

34.8

15.1

50.1

Breast feeding

68.8

9.0

22.2

Smoking

46.9

22.4

30.7

Alcohol

40.4

25.0

34.6

Diabetes

16.4

36.8

46.8

Past history of breast lumps

67.9

5.9

26.2

Family history of breast cancer

67.5

14.8

17.7

Irradiation

74.7

5.0

20.3