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Table 5 Testing the moderated mediating effect of PSR on NSSI in the T1 sample

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

Regression equation (N = 1955)

Fitting index

Coefficient significance

Outcome variable

Predictor variable

R

R2

F (df)

β

t

Sleep disorders

 

0.48

0.23

72.93 (8, 1946)

  

PSR

   

0.57

9.43***

EMA

   

 − 0.26

 − 13.05***

PSR*EMA

   

0.22

4.85***

Gender

   

 − 0.11

 − 3.55***

Age

   

0.02

4.05***

Area

   

 − 0.14

 − 3.36***

 

Monthly household income

   

0.01

0.70

 

Current status

   

 − 0.17

 − 4.92***

NSSI

 

0.52

0.27

78.36 (9, 1945)

  

PSR

   

0.74

11.89***

Sleep disorders

   

0.13

4.66***

EMA

   

 − 0.14

 − 4.19***

Sleep disorders*EMA

   

 − 0.06

 − 2.78**

Gender

   

 − 0.04

 − 1.01

Age

   

0.02

3.09**

Area

   

 − 0.18

 − 3.34***

Monthly household income

   

 − 0.01

 − 0.40

Current status

   

 − 0.06

 − 1.35

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