. 2022 Feb 22;10:768400. doi: 10.3389/fpubh.2022.768400

Table 2.

Hierarchical regression analyses of associator factors of NSSI behaviors (N = 621).

	Model 1					Model 2					Model 3
	B	SE	β	T	p	B	SE	β	t	p	B	SE	β	t	p	Adjusted p
Individual level
(Constant)	8.98	4.08		2.20	0.03	9.18	4.11		2.23	0.03	9.77	4.27		2.29	0.02	0.06
Sex	1.28	0.93	0.05	1.37	0.17	1.46	0.93	0.06	1.56	0.12	1.43	0.94	0.06	1.53	0.13	0.29
Age	−0.13	0.20	−0.02	−0.63	0.53	0.02	0.21	0.00	0.09	0.93	0.01	0.21	0.00	0.06	0.95	0.95
Self-esteem	−0.30	0.06	−0.22	−5.15	<0.001	−0.25	0.06	−0.19	−4.25	<0.001	−0.24	0.06	−0.18	−3.94	<0.001	<0.001
Psychological distress	0.39	0.05	0.31	7.34	<0.001	0.38	0.05	0.30	7.16	<0.001	0.37	0.05	0.30	7.12	<0.001	<0.001
Family level
Family structure						−0.94	0.72	−0.05	−1.31	0.19	−0.98	0.73	−0.05	−1.34	0.18	0.33
Family income						0.08	0.38	0.01	0.20	0.84	0.10	0.39	0.01	0.26	0.80	0.95
Family support						−0.20	0.06	−0.01	−3.26	0.01	−0.19	0.06	−0.11	−2.94	0.003	0.01
Social level
Living environment											0.05	0.74	0.00	0.07	0.95	0.95
Peer support											−0.03	0.06	−0.02	−0.53	0.59	0.81
Teacher support											−0.05	0.06	−0.03	−0.77	0.44	0.69
R ²	0.23					0.25					0.25
Adjusted R²	0.23					0.24					0.24
F for R² change	46.23					4.21					0.36
p-value	<0.001					0.01					0.78

Sex (0 = boys; 1 = girls), Age, family structure (0 = have siblings, 1 = do not have siblings); Family support, perceived social support from family; Environment, living environment (1 = living in rural areas, 2 = living in cities); Peer support, perceived social support from peer; Teacher support, perceived social support from teacher.