Table 5 Mediating effect of depressive symptoms between physical abuse and NSSI [Standardized β estimate (95% CI)].

From: The mediation of depressive symptoms between different types of childhood maltreatment and non suicidal self-injury

Groups

Direct effect

Indirect effect

Total effect

Mediating ratio, %

Path1 (X-M)

Path2 (M-Y)

Path3 (X-Y)

Model 1

Total

0.291 (0.265,0.317) ***

0.486 (0.458,0.513) ***

0.173 (0.134,0.214) ***

0.141 (0.127,0.156) ***

0.314 (0.272,0.356) ***

44.9%

Rural male

0.277 (0.224,0.327) ***

0.398 (0.327,0.466) ***

0.114 (0.040,0.194) ***

0.110 (0.084,0.140) ***

0.224 (0.150,0.304) ***

49.1%

Rural female

0.306 (0.255,0.356) ***

0.521 (0.464,0.571) ***

0.186 (0.119,0.260) ***

0.159 (0.132,0.189) ***

0.345 (0.272,0.422) ***

46.1%

Urban male

0.306 (0.249,0.365) ***

0.439 (0.383,0.494) ***

0.256 (0.157,0.365) ***

0.134 (0.108,0.166) ***

0.390 (0.288,0.496) ***

34.4%

Urban female

0.335 (0.285,0.383) ***

0.512 (0.465,0.555) ***

0.177 (0.116,0.243) ***

0.172 (0.144,0.199) ***

0.348 (0.278,0.418) ***

49.4%

Model 2

      

Total

0.291 (0.265,0.317) ***

0.493 (0.464,0.520) ***

0.170 (0.132,0.212) ***

0.143 (0.129,0.158) ***

0.314 (0.272,0.356) ***

45.5%

Rural male

0.277 (0.224,0.327) ***

0.403 (0.327,0.474) ***

0.115 (0.044,0.194) ***

0.112 (0.085,0.142) ***

0.227 (0.155,0.305) ***

49.3%

Rural female

0.306 (0.255,0.356) ***

0.534 (0.481,0.584) ***

0.176 (0.110,0.248) ***

0.163 (0.135,0.194) ***

0.339 (0.268,0.416) ***

48.1%

Urban male

0.306 (0.249,0.365) ***

0.438 (0.380,0.495) ***

0.254 (0.155,0.364) ***

0.134 (0.108,0.167) ***

0.388 (0.286,0.495) ***

34.5%

Urban female

0.335 (0.285,0.383) ***

0.518 (0.470,0.561) ***

0.175 (0.115,0.242) ***

0.174 (0.146,0.202) ***

0.349 (0.280,0.419) ***

49.9%

  1. Path1: Physical abuse→ Depressive symptoms. Path 2: Depressive symptoms→ NSSI. Path 3: Physical abuse→ NSSI.
  2. Model 1: Single factor analysis.
  3. Model 2: Adjusted for grade, family economic situation, academic performance, academic pressure, close partners.
  4. *** p < 0.001 ** p < 0.01.