Table 2.

Influence of school bullying and psychological problems on non-suicidal self-injury (NSSI).

Variable	AOR a (95% CI)	P-Value
School bullying
Yes	2.10 (1.65, 2.69)	<0.001
No (ref)	1.00
Psychological problems
Normal (ref)	1.00
Mild/Severe	125.03 (17.49, 893.89)	<0.001

Note. AOR = adjusted odds ratio; CI = confidence interval; ref = reference; ^a Adjusted for sex, phase of studying, left-behind children, only child in one’s family, family structure, witnessing household domestic violence, physical abuse, academic performance, academic pressure, school bullying, psychological problems.