Table 4 Comparison of HBM constructs in two groups at before and after of intervention

Knowledge (attainable range:0-50)

Before intervention

31.43

4.60

28.96

5.01

0.07

After intervention

37.57

4.19

29.12

4.89

< 0.001

Score change

6.14

5.07

0.16

0.77

P-value

< 0.001

0.129

-

Perceived susceptibility (attainable range:5-25)

Before intervention

18.22

3.009

17.58

3.26

0.27

After intervention

22.03

1.955

17.46

3.29

< 0.001

Score change

1.01

2.55

-0.12

0.50

P-value

< 0.001

0.070

Perceived severity (attainable range:8-40)

Before intervention

28.07

3.29

27.46

3.59

0.34

After intervention

34.22

2.72

27.23

3.66

< 0.001

Score change

1.47

3.33

-0.23

0.63

P-value

< 0.001

0.008

Perceived benefits (attainable range:6-30)

Before intervention

20.98

2.59

20.35

2.71

0.20

After intervention

26.12

2.27

20.05

2.65

< 0.001

Score change

1.84

2.92

-0.29

0.68

P-value

< 0.001

0.002

Perceived barriers (attainable range:7-35)

Before intervention

16.88

3.01

17.30

4.09

0.53

After intervention

13.28

2.29

16.86

4.04

< 0.001

Score change

-1.42

3.63

-0.44

0.82

P-value

< 0.001

< 0.001

Perceived self‑efficacy (attainable range:8-40)

Before intervention

27.96

5.12

27.26

5.43

0.48

After intervention

36.07

2.40

26.95

5.56

< 0.001

Score change

2.11

3.89

-0.32

0.76

P-value

< 0.001

0.003

Puberty health behaviors (attainable range:0-20)

Before intervention

14.90

2.89

14.66

2.72

0.44

After intervention

17.04

2.77

14.70

2.73

< 0.001

Score change

2.13

2.35

0.03

0.27

P-value

< 0.001

0.322