Table 3 Coefficients of the structural equation mediation model

Total effects

 Cohesive family functioning → Social media addiction

-0.150

0.059

 < 0.05

-0.264

-0.033

 Flexible family functioning → Social media addiction

-0.183

0.062

 < 0.01

-0.308

-0.063

 Disengaged family functioning → Social media addiction

0.110

0.049

 < 0.05

0.014

0.209

Direct effects

 Cohesive family functioning → Social media addiction

-0.089

0.062

0.153

-0.210

0.036

 Flexible family functioning → Social media addiction

-0.118

0.065

0.071

-0.247

0.009

 Disengaged family functioning → Social media addiction

0.035

0.056

0.542

-0.077

0.036

Indirect effects

 Cohesive family functioning → Social media addiction

-0.061

0.032

 < 0.01

-0.144

-0.013

 Flexible family functioning → Social media addiction

-0.066

0.033

 < 0.01

-0.150

-0.017

 Disengaged family functioning → Social media addiction

0.075

0.033

 < 0.001

0.025

0.158