Table 1 Mean and the correlation among the observed variables

Mean (SD)

1

2

3

4

5

6

7

8

9

1. DASS-21

5.49 (8.62)

1.00

2. DASS-Y

5.62 (7.77)

0.64

1.00

3. DASS-21 Depression

1.62 (2.99)

0.96

0.60

1.00

4. DASS-Y Depression

1.92 (2.97)

0.55

0.90

0.53

1.00

5. DASS-21 Anxiety

1.78 (2.94)

0.96

0.62

0.88

0.51

1.00

6. DASS-Y Anxiety

1.22 (2.49)

0.58

0.89

0.55

0.74

0.58

1.00

7. DASS-21 Stress

2.09 (3.07)

0.96

0.63

0.86

0.53

0.87

0.55

1.00

8. DASS-Y Stress

2.49 (3.23)

0.58

0.89

0.52

0.67

0.56

0.68

0.59

1.00

9. Emotional exhaustion

2.65 (3.93)

0.63

0.52

0.61

0.47

0.59

0.43

0.61

0.48

1.00

Middle school students (N = 1131)

Mean (SD)

1

2

3

4

5

6

7

8

9

1. DASS-21

14.88 (11.72)

1.00

2. DASS-Y

12.86 (9.16)

0.72

1.00

3. DASS-21 Depression

4.70 (4.29)

0.93

0.68

1.00

4. DASS-Y Depression

4.05 (3.47)

0.60

0.86

0.63

1.00

5. DASS-21 Anxiety

4.83 (4.09)

0.94

0.65

0.80

0.52

1.00

6. DASS-Y Anxiety

2.94 (3.07)

0.62

0.83

0.55

0.62

0.63

1.00

7. DASS-21 Stress

5.36 (4.16)

0.94

0.67

0.80

0.54

0.83

0.57

1.00

8. DASS-Y Stress

5.87 (4.11)

0.62

0.88

0.57

0.61

0.55

0.58

0.62

1.00

9. Emotional exhaustion

6.49 (4.63)

0.51

0.46

0.51

0.39

0.45

0.33

0.47

0.44

1.00