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Table 5 Differences between females and males regarding their knowledge (Wald test)*

From: Knowledge and awareness about and use of iodised salt among students in Germany and Greece

Germany

Greece

Question item**

% f/ma

z-valueb

p-value

Question item**

% f/ma

z-valueb

p-value

Item 4

71/52

2.109

0.035

Item 3

59/45

2.071

0.038

Item 5

14/7

1.981

0.048

Item 4

90/79

2.420

0.016

Item 7

70/79

- 1.985

0.047

Item 7

9/15

- 2.253

0.024

Item 13

64/41

2.747

0.006

Item 17

66/82

- 4.198

0.000

Item 20

26/14

2.248

0.025

Item 18

91/96

- 2.370

0.018

Item 23

69/76

- 2.022

0.043

Item 19

18/9

2.013

0.044

Item 25

25/13

2.661

0.008

Item 26

32/15

3.678

0.000

Item 26

59/38

2.936

0.003

    
  1. *only statistically significant differences are shown
  2. **for a detailed description of the question items see Table 1
  3. apercentage of females/males who gave a correct answer
  4. bpositive z-value means better knowledge in females; negative z-value means better knowledge in males
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BMC Public Health

ISSN: 1471-2458

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