Table 2 The comparison of average scores of health belief model construct in experimental and control groups 3 and 6 months after the intervention

knowledge

experimental

26.45 ± 4.50

57.78 ±4.68

79.12 ± 4.38

0.001

control

27.20 ± 4.31

28.42 ± 4.19

29.50 ± 4.12

0.157

P-Value

0.246

0.001

0.001

Perceived susceptibility

experimental

32.10 ± 4.16

64.72 ± 4.28

80.18 ± 4.40

0.001

control

31.58 ± 4.08

32.24 ± 4.07

33.62 ± 4.15

0.178

P-Value

0.122

0.001

0.001

Perceived severity

experimental

30.25 ± 4.67

63.44 ± 4.68

82.51 ± 4.26

0.001

control

31.53 ± 4.19

32.40 ± 4.27

33.58 ± 4.35

0.117

P-Value

0.290

0.001

0.001

Perceived benefits

experimental

22.62 ± 5.66

63.25 ± 5.50

79.42 ± 5.36

0.001

control

23.14 ± 5.27

24.18 ± 5.20

25.68 ± 5.18

0.164

P-Value

0.138

0.001

0.001

Perceived barriers

experimental

80.22 ± 4.38

54.30 ± 4.52

31.23 ± 4.24

0.001

control

81.13 ± 4.29

80.08 ± 4.28

78.95 ± 4.48

0.214

P-value

0.235

0.001

0.001

Cues to action

experimental

34.55 ± 4.64

64.69 ± 4.48

79.98 ± 4.64

0.001

control

33.90 ± 4.25

34.49 ± 4.36

35.43 ± 4.22

0.108

P-Value

0.128

0.001

0.001

Perceived motivation

experimental

32.29 ± 4.52

61.40 ± 4.75

80.23 ± 4.36

0.001

control

31.90 ± 4.68

32.60 ± 4.28

33.78 ± 4.31

0.147

P-Value

0.252

0.001

0.001

Perceived self-efficacy

experimental

25.73 ± 4.11

62.46 ± 4.51

78.75 ± 4.49

0.001

control

26.18 ± 4.24

28.01 ± 4.03

29.48 ± 4.23

0.125

P-Value

0.179

0.001

0.001