|
Characteristics
|
Self-harm burns (N = 360), n (%)
|
Assault burns (N = 206), n (%)
|
Unintentional burns (N = 30,431), n (%)
|
p value
|
|---|
|
Gender
|
|
Male
|
160 (44.4)
|
106 (51.5)
|
20,957 (68.9)
|
< 0.001
|
|
Female
|
200 (55.6)
|
100 (48.5)
|
9468 (31.1)
| |
|
Age (years)
|
|
0–14
|
7 (1.9)
|
15 (7.3)
|
10,414 (34.2)
|
< 0.001
|
|
15–24
|
115 (31.9)
|
45 (21.8)
|
5932 (19.5)
| |
|
25–34
|
106 (29.4)
|
67 (32.5)
|
4752 (15.6)
| |
|
35–44
|
71 (19.7)
|
54 (26.2)
|
3413 (11.2)
| |
|
45–54
|
36 (10.0)
|
18 (8.7)
|
2230 (7.3)
| |
|
55–64
|
14 (3.9)
|
5 (2.4)
|
1448 (4.8)
| |
|
65+
|
11 (3.1)
|
2 (1.0)
|
2242 (7.4)
| |
|
Aboriginality
|
|
Aboriginal
|
40 (11.1)
|
108 (52.4)
|
4333 (14.2)
|
< 0.001
|
|
Non-Aboriginal
|
320 (88.9)
|
98 (47.6)
|
26,098 (85.8)
| |
|
Social disadvantage quintiles*
|
|
Quintile 1 (most disadvantaged)
|
86 (24.1)
|
81 (40.5)
|
6412 (21.4)
|
< 0.001
|
|
Quintile 2
|
84 (23.5)
|
47 (23.5)
|
9747 (32.6)
| |
|
Quintile 3
|
66 (18.5)
|
29 (14.5)
|
6259 (20.9)
| |
|
Quintile 4
|
55 (15.4)
|
19 (9.5)
|
3759 (12.6)
| |
|
Quintile 5 (least disadvantaged)
|
66 (18.5)
|
24 (12.0)
|
3767 (12.6)
| |
|
Remoteness**
|
|
Major city
|
266 (74.5)
|
91 (44.8)
|
15,453 (51.5)
|
< 0.001
|
|
Inner regional
|
36 (10.1)
|
11 (5.4)
|
3313 (11.0)
| |
|
Outer regional
|
33 (9.2)
|
26 (12.8)
|
4899 (16.3)
| |
|
Remote
|
9 (2.5)
|
14 (6.9)
|
3411 (11.4)
| |
|
Very remote
|
13 (3.6)
|
61 (30.1)
|
2937 (9.8)
| |
|
Health status
|
|
Any co-morbidity (CCI ≥ 1)†
|
59 (16.4)
|
31 (15.1)
|
3041 (10.0)
|
< 0.001
|
- *Socio-Economic Index for Areas (SEIFA) socio-economic disadvantage quintiles; missing values 1.0% burn, 0.5% no injury
- **Accessibility Remoteness Index of Australia, revised version (ARIA+) remoteness classification; missing values 0.6% burn, 0.8% no injury
- †Co-morbidity based on derived Charlson Comorbidity Index (CCI) using 5-year lookback
