Table 4 Impacts of different types of stressful life events on NSSI

Independent variables:

Stressful life events

Model 1 M

Model 2 M

Model 1F

Model 2F

Punishments

0.228***

0.247***

0.236

0.239

Learning pressure

0.012

0.016

0.251**

0.298***

Loss

0.031

0.033

0.083

0.088

Interpersonal relationship

0.011

0.013

0.153***

0.161***

Adaption

0.141

0.177+

0.037+

0.108*

Control variables (Demographic)

Age

0.051

−0.139**

Studying period: University (Middle-highschool)

0.059

0.013

Only child or not:no (yes)

0.019

−0.011

Parents’ marital status: Remarriage (First marriage)

0.186+

0.241*

Divorced (First marriage)

0.162*

0.117**

Widowed (First marriage)

0.038

0.028

95% CI

0.85, 0.88**

0.86, 0.92**

0.93, 0.97**

0.87, 0.98**

−2 Log Likelihood

586.34***

600.37**

653.18***

793.22***

Cox & Snell R²

0.016

0.038

0.012

0.036

Nagelkerke R²

0.015

0.037

0.014

0.031