Table 3 The comparison of mean (SD) of state anxiety, BSE and PDM in the intervention and control groups, before and the intervention

State anxiety (43—52)

Before intervention

49.03 (2.66)

48.65 (2.95)

-0.37 (-1.78 to 1.03)

0.596^*

After intervention

35.84 (3.75)

49.37 (3.52)

-13.82 (-12.35 to -15.29)

 < 0.001^**

PDM (0—30)

Before intervention

16.43 (2.78)

17.50 (2.50)

4.69 (-0.25 to 10.03)

0.113^*

After intervention

11.90 (2.84)

17.71 (2.43)

-5.31 (-3.00 to -7.37)

 < 0.001^**

BSE (33–165)

Before intervention

89.53 (9.49)

94.31 (11.43)

4.78 (-0.47 to 10.03)

0.074^*

After intervention

113.58 (13.79)

93.06 (11.35)

25.57 (28.29 to 22.85)

 < 0.001^**