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Table 3 Percentage of positive answers to questions on antibiotic use against viral illness (influenza, hepatitis, AIDS) and tuberculosis.

From: Portuguese students' knowledge of antibiotics: a cross-sectional study of secondary school and university students in Braga

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n

Antibiotics should be prescribed for tuberculosis * (%)

Antibiotics should be prescribed for tuberculosis and viral illnesses (%)

Antibiotics should be prescribed for viral illnesses (%)

P value

9 th grade

100

2

3

95

 

12 th grade

     

Sciences

39

18

8

74

 

Humanities

7

0

14

86

 

Informatics

19

0

38

62

 

Arts

14

0

28

72

 

Mean ± SD

 

4.5 ± 9.0

22 ± 13.6

73.5 ± 9.9

0.049

1 st year of university

     

Biology/Geology

14

14

43

43

 

Nursing

65

38

30

32

 

Law

49

4

19

77

 

Engineering

42

13

19

68

 

Mean ± SD

 

17.3 ± 14.6

27.8 ± 11.4

55 ± 21.0

0.001

  1. SD-Standard deviation, *- Correct answer