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Table 2 Partial correlation analyses and descriptive statistics of the study variables

From: Impacts of the psychological stress response on nonsuicidal self-injury behavior in students during the COVID-19 epidemic in China: the mediating role of sleep disorders

 

T1 (N = 1955)

T2 (N = 342)

Variable

1

2

3

4

1

2

3

4

1. PSR

1

   

1

   

2. EMA

 − 0.63***

1

  

 − 0.66***

1

  

3. Sleep disorders

0.43***

 − 0.38***

1

 

0.46***

 − 0.42***

1

 

4. NSSI

0.53***

 − 0.39***

0.27***

1

0.07

 − 0.04

0.12*

1

M

3.36

11.85

1.01

0.58

3.99

11.30

1.06

0.26

SD

4.59

2.86

0.78

1.27

4.90

2.91

0.69

0.45

Skewness

1.53

 − 0.47

0.57

2.79

1.38

 − 0.22

0.41

1.29

Kurtosis

1.82

 − 0.16

0.10

8.35

1.22

 − 0.55

0.39

0.17

  1. PSR psychological stress response; EMA emotional management ability; NSSI nonsuicidal self-injury
  2. *p < 0.05, **p < 0.01, ***p < 0.001