Current status of nonsuicidal injuries and associated factors among junior high school students in Hainan Province, China: a cross-sectional study

Table 2 Gender, age, and geographic features of subjects committing NSSIs

	NSSI Group n = 544		Self-injury ideation only Group n = 125		non-NSSI Group n = 1216		χ ²	p
	Cases (N) Percentage (%)		Cases (N) Percentage (%)		Cases (N) Percentage (%)		χ ²	p
Gender
Boy	172	18.7	60	6.5	689	74.8	94.380	< 0.001*
Girl	372	38.6	65	6.7	527	54.7
Age (years)
11–12	150	27.9	43	8.0	345	64.1	6.720	0.348
13	236	29.2	54	6.7	517	64.1
14	125	31.1	22	5.5	255	63.4
15–16	33	23.9	6	4.3	99	71.7
Geographic region
Rural area	228	28.0%	50	6.2%	535	65.8%	5.049	0.282
Town	169	32.3%	35	6.7%	320	61.1%
City	147	26.8%	40	7.3%	361	65.9%

ISSN: 2050-7283