Table 4. Association between number of injuries sustained and reporting limitations on each EQ-5D item at 12-months.

EQ-5D Item	Number of injuries	GBDa injury types				ICD-10 body regionsc injured
		N	N (%)	ARRb (95% CI)	p-value	N	N (%)	ARR (95% CI)	p-value
			With problems				With problems
Mobility	1 (reference)	5845	2871 (49.1)	1.00		6956	3255 (46.8)	1.00
	2	3566	1592 (44.6)	1.02 (0.98, 1.06)	0.42	3156	1498 (47.5)	1.08 (1.04, 1.12)	<0.001
	3	2068	865 (41.8)	1.09 (1.03, 1.14)	0.002	1630	696 (42.7)	1.08 (1.02, 1.14)	0.01
	4	1245	519 (41.7)	1.24 (1.16, 1.33)	<0.001	1088	442 (40.6)	1.17 (1.09, 1.26)	<0.001
	5	708	279 (39.4)	1.25 (1.13, 1.38)	<0.001	708	310 (43.8)	1.27 (1.16, 1.39)	<0.001
	6	412	196 (47.6)	1.55 (1.39, 1.73)	<0.001	421	213 (50.6)	1.58 (1.42, 1.76)	<0.001
	7	251	132 (52.6)	1.77 (1.56, 2.01)	<0.001	241	128 (53.1)	1.70 (1.50, 1.93)	<0.001
	8+	272	196 (72.1)	2.59 (2.35, 2.85)	<0.001	167	108 (64.7)	2.02 (1.78, 2.30)	<0.001
Self-care	1 (reference)	5835	1864 (32.0)	1.00		6944	2079 (29.9)	1.00
	2	3559	943 (26.5)	0.95 (0.90, 1.00)	0.07	3150	886 (28.1)	1.01 (0.95, 1.07)	0.73
	3	2067	480 (23.2)	0.96 (0.89, 1.04)	0.37	1628	392 (24.1)	0.99 (0.91, 1.07)	0.78
	4	1242	255 (20.5)	1.03 (0.92, 1.15)	0.62	1089	225 (20.7)	1.03 (0.92, 1.16)	0.60
	5	709	143 (20.2)	1.10 (0.93, 1.29)	0.27	708	151 (21.3)	1.06 (0.92, 1.16)	0.45
	6	412	104 (25.2)	1.39 (1.16, 1.66)	<0.001	421	109 (25.9)	1.44 (1.21, 1.71)	<0.001
	7	252	68 (27.0)	1.56 (1.27, 1.92)	<0.001	242	64 (26.5)	1.53 (1.23, 1.91)	<0.001
	8+	273	105 (38.5)	2.48 (2.08, 2.96)	<0.001	167	56 (33.5)	1.85 (1.46, 2.35)	<0.001
Usual activities	1 (reference)	5834	3092 (53.0)	1.00		6944	3628 (52.3)	1.00
	2	3561	1916 (53.8)	1.09 (1.05, 1.13)	<0.001	3151	1751 (55.6)	1.10 (1.06, 1.14)	<0.001
	3	2060	1111 (53.9)	1.17 (1.12, 1.23)	<0.001	1623	909 (56.0)	1.17 (1.11, 1.23)	<0.001
	4	1243	689 (55.4)	1.30 (1.23, 1.38)	<0.001	1087	596 (54.8)	1.23 (1.16, 1.30)	<0.001
	5	707	400 (56.6)	1.36 (1.27, 1.47)	<0.001	708	414 (58.5)	1.31 (1.22, 1.41)	<0.001
	6	412	256 (62.1)	1.52 (1.39, 1.65)	<0.001	420	266 (63.3)	1.46 (1.35, 1.58)	<0.001
	7	252	171 (67.9)	1.68 (1.53, 1.85)	<0.001	242	153 (63.2)	1.48 (1.33, 1.63)	<0.001
	8+	273	211 (77.3)	1.97 (1.82, 2.13)	<0.001	167	129 (77.3)	1.76 (1.61, 1.93)	<0.001
Pain/discomfort	1 (reference)	5783	2895 (50.1)	1.00		6886	3410 (49.5)	1.00
	2	3537	1886 (53.3)	1.11 (1.06, 1.15)	<0.001	3126	1738 (55.6)	1.15 (1.10, 1.19)	<0.001
	3	2053	1145 (55.7)	1.22 (1.16, 1.28)	<0.001	1620	924 (57.0)	1.21 (1.15, 1.27)	<0.001
	4	1235	711 (57.6)	1.32 (1.24, 1.40)	<0.001	1084	648 (59.8)	1.31 (1.24, 1.39)	<0.001
	5	710	421 (60.0)	1.40 (1.31, 1.51)	<0.001	702	425 (60.5)	1.34 (1.26, 1.44)	<0.001
	6	412	264 (64.4)	1.53 (1.41, 1.66)	<0.001	419	282 (67.3)	1.52 (1.41, 1.63)	<0.001
	7	250	183 (72.9)	1.76 (1.61, 1.92)	<0.001	238	162 (68.1)	1.54 (1.40, 1.69)	<0.001
	8+	271	207 (76.7)	1.86 (1.71, 2.02)	<0.001	166	123 (74.1)	1.66 (1.50, 1.83)	<0.001
Anxiety/depression	1 (reference)	5755	1994 (34.7)	1.00		6855	2411 (35.2)	1.00
	2	3529	1338 (37.9)	1.12 (1.06, 1.18)	<0.001	3112	1244 (40.0)	1.14 (1.08, 1.20)	<0.001
	3	2041	864 (42.3)	1.27 (1.19, 1.35)	<0.001	1614	696 (43.1)	1.22 (1.15, 1.31)	<0.001
	4	1229	551 (44.8)	1.37 (1.26, 1.48)	<0.001	1081	458 (42.4)	1.22 (1.13, 1.33)	<0.001
	5	703	339 (48.2)	1.46 (1.33, 1.61)	<0.001	703	340 (48.4)	1.38 (1.27, 1.51)	<0.001
	6	410	211 (51.5)	1.54 (1.38, 1.72)	<0.001	417	221 (53.0)	1.50 (1.36, 1.66)	<0.001
	7	251	127 (50.6)	1.52 (1.32, 1.73)	<0.001	238	111 (46.6)	1.32 (1.14, 1.53)	<0.001
	8+	268	150 (56.0)	1.67 (1.48, 1.89)	<0.001	166	93 (56.0)	1.53 (1.33, 1.77)	<0.001

^aGBD, Global Burden of Disease study;

^bARR, adjusted relative risk compared to the reference group (1 injury) – adjusted for age, gender and data source (study);

^cICD-10 body regions: head; neck; thorax; abdomen, lower back, lumbar spine and pelvis; shoulder and upper arm; elbow and forearm; wrist and hand; hip and thigh; knee and lower leg; ankle and foot; burns; all other T-prefix injuries.