Table 4 Comparison of health belief model constructs related to weight gain management before and after the intervention nutrition education program

Perceived Severity

43 ± 2.9

48 ± 3.8

11.7

 < 0.001*

Perceived susceptibility

28.7 ± 1.7

30 ± 2.5

4.7

 < 0.001*

Perceived barrier

49 ± 4.5

25 ± 2.5

−46.6

 < 0.001*

Perceived benefit

48 ± 3

52 ± 5

6.45

 < 0.001*

Perceived cues to action

42 ± 3

48 ± 3.9

13.6

 < 0.001*

Perceived self-efficacy in diet

47 ± 5

69.6 ± 4

32.6

 < 0.001*

Perceived self-efficacy in exercise

17 ± 2

23 ± 1.7

23.2

 < 0.001*

Perceived total efficacy

64 ± 6

93 ± 5

36.6

 < 0.001*

The behavioral intention of weight management

18 ± 1.9

21 ± 1.5

16

 < 0.001*

Total all

275 ± 11

297 ± 10

19.8

 < 0.001*