Table 7 Mediating effect of depressive symptoms between sex 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

0.197 (0.170,0.225) ***

0.519 (0.491,0.544) ***

0.089 (0.046,0.134) ***

0.102 (0.088,0.117) ***

0.191 (0.145,0.239) ***

53.4%

Rural male

0.241 (0.193,0.289) ***

0.418 (0.345,0.483) ***

0.051 (-0.019,0.126)

0.101 (0.076,0.129) ***

0.152 (0.083,0.229) ***

66.4%

Rural female

0.188 (0.136,0.240) ***

0.563 (0.511,0.606) ***

0.077 (0.025,0.136) **

0.106 (0.077,0.137) ***

0.183 (0.112,0.257) ***

57.9%

Urban male

0.210 (0.152,0.269) ***

0.482 (0.427,0.533) ***

0.166 (0.052,0,296) **

0.101 (0.076,0.131) ***

0.268 (0.144,0.398) ***

37.7%

Urban female

0.206 (0.149,0.260) ***

0.553 (0.507,0.595) ***

0.090 (0.021,0.168) **

0.114 (0.082,0.145) ***

0.204 (0.124,0.294) ***

55.9%

Model 2

Total

0.197 (0.170,0.225) ***

0.524 (0.494,0.550) ***

0.088 (0.046,0.133) ***

0.103 (0.088,0.118) ***

0.191 (0.145,0.239) ***

53.9%

Rural male

0.241 (0.193,0.289) ***

0.421 (0.345,0.490) ***

0.052 (-0.018,0.127)

0.102 (0.077,0.131) ***

0.154 (0.084,0.230) ***

66.2%

Rural female

0.188 (0.136,0.240) ***

0.576 (0.526,0.621) ***

0.067 (0.017,0.125) **

0.108 (0.078,0.140) ***

0.175 (0.106,0.247) ***

61.7%

Urban male

0.210 (0.152,0.269) ***

0.476 (0.417,0.533) ***

0.171 (0.056,0,302) **

0.100 (0.075,0.130) ***

0.271 (0.147,0.402) ***

27.1%

Urban female

0.206 (0.149,0.260) ***

0.558 (0.513,0.600) ***

0.091 (0.023,0.168) **

0.115 (0.083,0.146) ***

0.206 (0.126,0.297) ***

55.8%

  1. Path1: Sex abuse → Depressive symptoms. Path 2: Depressive symptoms→ NSSI. Path 3: Sex 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.