Suicide attempt predictors among adolescents exhibiting non-suicidal self-injury: A six-week follow-up open study

Table 1 Demographic and clinical data, n (%)

	Low risk	High risk	χ2/t	P value
Age (years, mean ± SD)	14.83 ± 1.82	14.6 ± 1.516	0.564	0.575
Gender (men/women)	5/25	4/34	0.146	0.703
Smoking/drinking	9 (30.00)	17 (44.74)	1.542	0.214
Have physical illnesses	2 (6.67)	9 (23.68)	2.435	0.119
Only child	16 (53.33)	15 (39.47)	1.298	0.255
Urban household registration	16 (53.33)	27 (71.05)	2.264	0.132
Single parent family	9 (30.00)	13 (34.21)	0.136	0.712
Father with education above high school	16 (53.33)	21 (55.26)	0.025	0.874
Mother with education above high school	18 (60.00)	17 (44.74)	1.564	0.211
Family history of mental illness	3 (10.00)	4 (10.53)	0.005	1.000

Categorical variables (e.g., gender and smoking/drinking status) were analyzed using χ² tests, while continuous variables (e.g., age) were assessed via independent samples t-tests.