Table 4 Mean knowledge scores according to personal factors in the two villages

 12–19

16.37 ± 7.09

12.99 ± 7.69

 20–29

18.65 ± 7.23

15.12 ± 7.63

 30–39

16.14 ± 7.95

12.31 ± 7.39

 40–49

15.07 ± 7.74

11.30 ± 7.27

 50+

12.77 ± 7.00

9.63 ± 7.15

 Statistics: F & (P value)

9.80 (<  0.001)

6.19 (<  0.001)

 Male

17.3 ± 7.75

16.06 ± 7.47

 Female

15.15 ± 7.62

10.12 ± 6.79

 Statistics: t & (P value)

12.59 (<  0.001)

64.77 (<  0.001)

 Illiterate/read & write

13.33 ± 6.89

10.96 ± 6.82

 Primary

15.66 ± 7.70

18.41 ± 7.01

 Preparatory

21.21 ± 6.49

22.10 ± 4.94

 Secondary

21.74 ± 5.4

21.44 ± 5.06

 University

25.56 ± 4.29

26.33 ± 3.22

 Statistics: F & (P value)

57.94 (<  0.001)

31.69 (<  0.001)

 House wife

13.36 ± 7.06

9.5 ± 6.42

 Fishermen

15.00 ± 0.0

15.18 ± 6.91

 Farmers

15.59 ± 6.19

13.66 ± 6.95

 Not working

15.83 ± 7.69

10.12 ± 7.09

 Drivers

16.22 ± 7.10

15.92 ± 8.71

 Students

18.8 ± 7.68

20.11 ± 6.43

 Professionals

23.12 ± 6.19

22.60 ± 4.22

 Others

15.36 ± 7.75

15.10 ± 7.14

 Statistics: F & (P value)

13.70 (< 0.001)

16.27 (<  0.001)

Total knowledge score (mean ± SD)

16.17 ± 7.75

12.83 ± 7.69

Statistics: studentsttest, (P-value)