The impact of childhood injury and injury severity on school performance and high school completion in Australia: a matched population-based retrospective cohort study

Table 2 School and NAPLAN assessment characteristics of injured young people and their matched comparison by grade, linked health and school performance data NSW, 2005–2018

	Grade 3¹				Grade 5²				Grade 7³				Grade 9⁴
Characteristics	Injury case (n = 50,213)		Comparison (n = 50,213)		Injury case (n = 46,034)		Comparison (n = 46,034)		Injury case (n = 36,962)		Comparison (n = 36,962)		Injury case (n = 24,501)		Comparison (n = 24,501)
	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%
School sector
Government	35,269	70.2	34,741	69.2	31,678	68.8	30,979	67.3	21,133	57.2	20,872	56.5	13,685	55.9	13,660	55.8
Catholic	9774	19.5	10,455	20.8	8986	19.5	9806	21.3	9752	26.4	10,108	27.4	6778	27.7	6842	27.9
Independent	5153	10.3	5000	10.0	5353	11.6	5237	11.4	6065	16.4	5974	16.2	4033	16.5	3995	16.3
Home	17	0.03	17	0.03	17	0.04	12	0.03	12	0.03	8	0.02	5	0.02	4	0.02
Remoteness area of school
Major city	35,463	70.6	35,000	69.7	32,256	70.1	31,753	69.0	26,838	72.6	26,318	71.2	18,077	73.8	17,709	72.3
Inner regional	10,993	21.9	11,506	22.9	10,314	22.4	10,863	23.6	7890	21.4	8453	22.9	5108	20.9	5500	22.5
Outer regional/remote	3740	7.5	3690	7.4	3447	7.5	3406	7.4	2222	6.0	2183	5.9	1311	5.4	1288	5.3
Not known	17	0.03	17	0.03	17	0.04	12	0.03	12	0.03	8	0.02	5	0.02	4	0.02
NAPLAN assessment⁵
Numeracy (Below NMS)	2734	5.4	1966	3.9	2786	6.1	1981	4.3	1609	4.4	1086	2.9	811	3.3	610	2.5
Reading (Below NMS)	3208	6.4	2283	4.6	3584	7.8	2647	5.8	2225	6.0	1723	4.7	1870	7.6	1454	5.9
Spelling (Below NMS)	3191	6.4	2253	4.5	3460	7.5	2473	5.4	2899	7.8	2203	6.0	2490	10.2	1916	7.8
Grammar (Below NMS)	3622	7.2	2595	5.2	3940	8.6	2879	6.3	3404	9.2	2569	7.0	2749	11.2	2198	9.0
Writing (Persuasive 2011–2018) (Below NMS)	1851	4.3	1251	2.9	4184	9.6	3014	6.9	4412	11.9	3473	9.4	4349	17.8	3695	15.1

¹ Grade 3 chi-square tests: School sector p < 0.0001; Remoteness area of school p < 0.002; All NAPLAN assessments p < 0.0001. ² Grade 5 chi-square tests: School sector p < 0.02; Remoteness area of school p < 0.0002. All NAPLAN assessments p < 0.0001. ³ Grade 7 chi-square tests: School sector p < 0.0001; Remoteness area of school p < 0.0003. All NAPLAN assessments p < 0.0001. ⁴ Grade 9 chi-square tests: School sector p = 0.9; Remoteness area of school p < 0.002. All NAPLAN assessments p < 0.0001. ⁵ NAPLAN National Assessment Plan for Literacy and Numeracy; NMS National Minimum Standard.

ISSN: 1471-2431