Table 6 Comparison of SCL-90 scores at 6- months follow-up after the postgraduate entrance examination (\(\overline{x}\pm s\), n = 613) and national college student norm score (n = 9941)

SOM

1.19 ± 0.21

1.45 ± 0.49

−30.94

< 0.01

O-C

1.26 ± 0.23

1.98 ± 0.63

− 76.78

< 0.01

INT

1.16 ± 0.19

1.88 ± 0.63

− 91.47

< 0.01

DEP

1.17 ± 0.21

1.74 ± 0.62

− 67.94

< 0.01

ANX

1.12 ± 0.17

1.61 ± 0.55

− 71.64

< 0.01

HOS

1.10 ± 0.18

1.61 ± 0.62

− 69.06

< 0.01

PHO

1.14 ± 0.21

1.38 ± 0.49

−28.36

< 0.01

PAR

1.20 ± 0.24

1.72 ± 0.62

−53.33

< 0.01

PSY

1.10 ± 0.21

1.59 ± 0.54

− 57.22

< 0.01