Table 3 Comparison of the BASNEF constructs between the two research groups before and after the intervention 2019–2020, Iran

Knowledge

Baseline

5.36 ± 3.34

6.47 ± 3.15

0.006

3-months follow-up

10.95 ± 1.54

6.70 ± 3.09

0

P-value**

0.001

0.206

Attitude

Baseline

28.26 ± 6.18

27.55 ± 5.51

0.531

3-months follow-up

34.19 ± 5.29

27.14 ± 5.09

0

P-value**

0

0.17

Subjective norms

Baseline

42.88 ± 9.87

41.98 ± 8.74

0.556

3-months follow-up

50.42 ± 6.45

42.54 ± 8.27

0

P-value**

0

0.276

Enabling factor

Baseline

13.30 ± 5.60

14.91 ± 5.49

0.024

3-months follow-up

22.22 ± 3.11

14.81 ± 4.81

0

P-value**

0.002

0.637

Behavioral intention

Baseline

14.16 ± 3.71

13.89 ± 3.00

0.516

3-months follow-up

17.64 ± 2.21

13.81 ± 2.95

0

P-value**

0

0.615

Personal health

Baseline

4.35 ± 5.25

4.31 ± 1.18

0.808

3-months follow-up

5.25 ± .753

4.46 ± .92

0

P-value**

0.000

0.030