Table 1 IES-R subscale scores and the prevalence of posttraumatic stress reactions according to the student demographics.

968

2.64 ± 3.43

4.10 ± 4.04

2.67 ± 3.23

9.89 ± 9.76

Male

428

2.82 ± 3.71

4.31 ± 4.35

2.49 ± 3.14

10.01 ± 10.41

Female

540

2.49 ± 3.18

3.93 ± 3.78

2.81 ± 3.30

9.80 ± 9.23

t

1.45

1.42

1.52

0.34

≤18

499

2.58 ± 3.37

3.99 ± 4.14

2.66 ± 3.35

9.74 ± 10.10

>18

469

2.70 ± 3.49

4.21 ± 3.94

2.68 ± 3.10

10.05 ± 9.40

t

0.51

0.84

0.10

0.48

① Tujia

726

2.54 ± 3.33

3.89 ± 3.91

2.61 ± 3.17

9.53 ± 9.55

② Miao

179

3.07 ± 3.85

5.15 ± 4.67

3.08 ± 3.52

11.79 ± 11.00

③ Han

56

2.68 ± 3.39

3.66 ± 3.14

2.14 ± 2.90

8.89 ± 7.84

④ Other

7

1.29 ± 1.50

2.43 ± 2.15

2.43 ± 3.91

6.57 ± 6.11

F

1.53

5.40**

1.55

3.08*

LSD

② > ①**

② >③*

② > ①**

yes

3.26 ± 3.59

5.18 ± 4.25

3.03 ± 3.31

12.01 ± 10.08

no

2.32 ± 3.29

3.55 ± 3.82

2.48 ± 3.17

8.82 ± 9.42

t

3.97**

5.86**

2.52*

4.76**

① 0~2

496

2.11 ± 2.91

3.31 ± 3.47

2.29 ± 2.90

8.21 ± 8.33

② 2~5

172

2.92 ± 4.05

4.37 ± 4.35

2.95 ± 3.34

10.74 ± 10.84

③ >5

300

3.34 ± 3.69

5.24 ± 4.44

3.13 ± 3.59

12.18 ± 10.76

F

13.09**

22.80**

7.27**

16.75**

LSD

③ > ①**

② > ①**

③ > ①**

② > ①**

③ >②*

③ > ①**

②> ①*

③ > ①**

② > ①**

① 0-10

407

2.10 ± 3.02

3.26 ± 3.56

2.18 ± 2.91

8.04 ± 8.67

② 10-20

139

2.70 ± 3.52

3.96 ± 3.89

2.75 ± 3.35

9.81 ± 9.32

③ >20

422

3.14 ± 3.69

4.95 ± 4.35

3.11 ± 3.42

11.70 ± 10.54

F

9.73**

18.81**

8.64**

15.03**

LSD

③ > ①**

③ > ①**

③> ②*

③ > ①**

③ > ①**

③> ②*