Table 4 Bivariate analysis of the knowledge and practice scores by selected characteristics

Gender

0.611

0.455

 Male

120

2.37 ± 0.86

119

5.78 ± 1.57

 Female

87

2.31 ± 0.93

86

5.97 ± 2.01

0.011

0.001

 Intermediate/Primary

93

2.15 ± 0.92

93

5.37 ± 1.68

 High school

50

2.36 ± 0.82

49

6.12 ± 1.81

 University

63

2.61 ± 0.83

62

6.33 ± 1.68

0.645

0.821

 No

48

2.29 ± 0.98

47

5.91 ± 2.18

 Yes

159

2.36 ± 0.85

158

5.84 ± 1.63

0.033

0.119

 Never smoker

113

2.23 ± 0.95

112

6.03 ± 1.93

 Ever smoker

94

2.48 ± 0.78

93

5.65 ± 1.53

0.177

 Non-active

134

2.31 ± 0.87

 Moderate activity

40

2.25 ± 0.95

 Heavy activity

33

2.60 ± 0.82

Age

r = −0.057

0.415

r = −0.15

0.032