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Table 4 Results of the Chain Mediating Effect with daytime sleepiness and depression as mediators between mobile phone addiction and suicidality

From: Adolescent mobile phone addiction during the COVID-19 pandemic predicts subsequent suicide risk: a two-wave longitudinal study

Path

Effect

SE

p

95% CI

MPA_T1(X) → DS_T2(M1) → Depression_T2(M2) → Suicidality_T2(Y)

  Total effect of X on Y

0.289

0.024

 < 0.001

0.242–0.336

  Direct effect of X on Y

0.129

0.023

 < 0.001

0.083–0.174

  Indirect effect of X on Y(Total)

0.160

0.014

-

0.133–0.189

  Indirect effect of X on Y(Via M1)

0.042

0.010

-

0.023–0.062

  Indirect effect of X on Y(Via M2)

0.083

0.012

-

0.059–0.110

  Indirect effect of X on Y(Via M1 → M2)

0.036

0.006

-

0.026–0.047

  X → M1

0.316

0.026

 < 0.001

0.265–0.367

  M1 → Y

0.131

0.030

 < 0.001

0.073–0.189

  X → M2

0.218

0.027

 < 0.001

0.162–0.271

  M2 → Y

0.381

0.035

 < 0.001

0.316–0.451

  M1 → M2

0.295

0.029

 < 0.001

0.238–0.353

  1. Note. MPA Mobile phone addiction, DS Daytime sleepiness