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Table 3 Mediating effect of depressive symptoms between IA(T1) and NSSI(T2)

From: The role of depressive symptoms and social support in the association of internet addiction with non-suicidal self-injury among adolescents: a cohort study in China

Variables

Model 1 a

 

Model 2 b

Standard β (95% CI)

P

 

Standard β (95% CI)

P

IA(T1)→Depressive symptoms(T2)

0.200(0.147 to 0.258)

< 0.001

 

0.084(0.027 to 0.144)

0.005

Depressive symptoms(T2)→NSSI(T2)

0.249(0.181 to 0.314)

< 0.001

 

0.169(0.100 to 0.239)

< 0.001

IA(T1)→NSSI(T2)

0.179(0.120 to 0.240)

< 0.001

 

0.099(0.042 to 0.161)

0.001

Standardized effect

     

Indirect

0.050(0.032 to 0.072)

< 0.001

 

0.014(0.004 to 0.029)

0.021

Total

0.229(0.171 to 0.286)

< 0.001

 

0.113(0.055 to 0.174)

< 0.001

Mediating ratio (%)

21.8(18.7 to 25.2)

--

 

12.4(7.3 to 16.7)

--

  1. a. Unadjusted
  2. b. Adjusted for sex, age, ethnicity, regional areas, family structure, single child, family history of psychiatric disease, parenting style, monthly household income per capita, perceived academic pressure, education of main caregiver, baseline NSSI and baseline depressive symptoms
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BMC Psychiatry

ISSN: 1471-244X

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