Table 1. Characteristics of school injuries: Distribution of rates of injury intention, severity and location between gender, 2018–2019.

	Frequency (%)			Rate (per 1,000 students per month) (95% CI)			Gender Comparison
Variable	Boys	Girls	Total	Boys	Girls	Overall	p-value
Overall	2866 (62.0)	1753 (38.0)	4619 (100.0)	61.4 (52.6, 70.2)	37.1 (28.3, 46.0)	49.3 (43.1, 55.5)	<0.0001
School (Grade)
Kindergarten (KG 1–3)	492 (60.4)	322 (39.6)	814 (17.6)	48.1 (40.1, 56.1)	31.5 (25.0, 38.0)	39.8 (32.5, 47.1)	<0.0001
Elementary (Grade 1–5)	1899 (61.8)	1173 (38.2)	3072 (66.5)	116.9 (107.4, 126.4)	71.5 (63.9, 79.1)	94.1 (85.5, 102.7)	<0.0001
Middle (Grade 6–9)	386 (64.8)	210 (35.2)	596 (12.9)	41.2 (33.6, 48.8)	20.4 (15.0, 25.8)	30.3 (23.8, 36.8)	<0.0001
High (Grade 10–12)	85 (65.9)	44 (34.1)	129 (2.8)	7.9 (6.4, 9.5)	4.3 (3.2, 5.5)	6.2 (4.8, 7.5)	<0.0001
Unknown/Missing			8 (0.2)			0.1 (0.0, 0.2)
Injury Location
Playground	2041 (63.9)	1151 (36.1)	3192 (69.1)	43.8 (40.2, 47.4)	24.4 (21.8, 27.1)	34.1 (30.9, 37.2)	<0.0001
Classroom	279 (62.3)	169 (37.3)	448 (9.7)	6.0 (4.6, 7.3)	3.6 (2.5, 4.6)	4.8 (3.6, 6.0)	<0.0001
Gym/Sports area	119 (49.2)	123 (50.8)	242 (5.2)	2.6 (1.7, 3.4)	2.6 (1.7, 3.5)	2.6 (1.9, 3.3)	0.8694
Other	80 (50.3)	79 (49.7)	159 (3.4)	1.7 (1.0, 2.4)	1.7 (1.0, 2.4)	1.7 (1.2, 2.2)	0.8795
Unknown/Missing			578 (12.5)			6.2 (4.8, 7.5)
Intention
Unintentional	1612 (62.5)	966 (37.5)	2578 (55.8)	34.6 (31.4, 37.8)	20.5 (18.0, 23.0)	27.5 (24.7, 30.4)	<0.0001
Intentional	131 (72.8)	49 (27.2)	180 (3.9)	2.8 (1.9, 3.7)	1.0 (0.5, 1.6)	1.9 (1.2, 2.7)	<0.0001
Unclear	327 (63.9)	185 (36.1)	512 (11.1)	7.0 (5.6, 8.5)	3.9 (2.8, 5.0)	5.5 (4.2, 6.7)	<0.0001
Unknown/Missing			1349 (29.2)			14.4 (12.3, 16.5)