Factors influencing non-suicidal self-injury in adolescents with mood disorders: Focusing on gender differences and only-child vs non-only-child disparities

Table 2 Multivariate logistic regression analysis of non-suicidal self-injury behavior in adolescents with mood disorders

Variables	B	SE	Wald χ2	df	P value	OR (95%CI)
Gender (female = 1, male = 0)	0.629	0.214	8.643	1	0.003	1.876 (1.245-2.823)
Sibling status (only-child = 1, non-only-child = 0)	0.433	0.208	4.267	1	0.039	1.542 (1.036-2.298)
Duration of mood disorder (months)	0.081	0.020	15.32	1	< 0.001	1.084 (1.041-1.128)
Comorbid obsessive-compulsive symptoms (yes = 1, no = 0)	0.757	0.231	10.89	1	0.001	2.135 (1.384-3.298)
SCS self-warmth	-0.081	0.014	33.06	1	< 0.001	0.921 (0.894-0.949)
SCS self-coldness	0.055	0.013	17.18	1	< 0.001	1.056 (1.029-1.085)
ERQ cognitive reappraisal	-0.101	0.017	34.57	1	< 0.001	0.903 (0.872-0.935)
ERQ expressive suppression	0.021	0.018	1.334	1	0.248	1.021 (0.985-1.059)
K-10 score	0.097	0.015	41.89	1	< 0.001	1.102 (1.071-1.134)
CTQ total score	0.037	0.009	14.98	1	< 0.001	1.038 (1.019-1.058)
FACES III cohesion	-0.058	0.013	21.14	1	< 0.001	0.942 (0.918-0.967)
Parental marital status (divorced/remarried = 1, married = 0)	0.321	0.246	1.70	1	0.192	1.379 (0.854-2.223)
Parental education level (> high school = 1, ≤ high school = 0)	-0.284	0.201	2.002	1	0.157	0.752 (0.513-1.098)
Family monthly income (ref: < 5000 RMB)
5000-10000 RMB	-0.142	0.2387	0.3645	1	0.546	0.866 (0.538-1.394)
> 10000 RMB	-0.312	0.2543	1.4987	1	0.221	0.731 (0.449-1.192)
Constant	-12.84	1.876	46.53	1	< 0.001	2.6741 × 10-6

OR: Odds ratio; CI: Confidence interval; SCS: Self-Compassion Scale; ERQ: Emotion Regulation Questionnaire; K-10: Kessler Psychological Distress Scale; CTQ: Childhood Trauma Questionnaire; FACES: Family Adaptation and Cohesion Evaluation Scales.