Self-harm presentation to ED
|
107 (0.2)
|
11 (0.5)
|
635–645** (1.1–1.1)
|
<10 (<2·3)
|
Mean age at baseline (SD)
|
12.8 (2.0)
|
12.3 (1.7)
|
12.8 (2.0)
|
12.2 (1.6)
|
Mean duration of follow-up (SD)
|
2.74 (1.3)
|
2.73 (1.3)
|
2.72 (1.3)
|
2.80 (1.3)
|
Ethnicity
|
(n, %)
|
(n, %)
|
(n, %)
|
(n, %)
|
White
|
20,238 (37.1)
|
770 (38.0)
|
20,651 (36.7)
|
176 (40.3)
|
Black
|
20, 012 (36.7)
|
850 (42.0)
|
21,099 (37.5)
|
174 (39.8)
|
Asian
|
4788 (8.8)
|
78 (3.9)
|
4869 (8.7)
|
24 (5.5)
|
Mixed
|
6013 (11.0)
|
237 (11.7)
|
6275 (11.2)
|
45 (10.3)
|
Other
|
1928 (3.5)
|
42 (2.1)
|
1891 (3.4)
|
<10 (<2.3)
|
Not disclosed/unknown
|
1575 (2.9)
|
49 (2.4)
|
1486 (2.6)
|
12 (2.8)
|
National neighbourhood deprivation
|
Most deprived quintile
|
19,805 (36.3)
|
824 (40.8)
|
20,222 (40.0)
|
173 (39.6)
|
2nd
|
22,100 (40.5)
|
804 (39.8)
|
22,794 (40.5)
|
179 (40.1)
|
3rd
|
7759 (14.2)
|
251 (12.4)
|
8227 (14.6)
|
550 (12.6)
|
4th
|
3283 (6.0)
|
99 (4.9)
|
3322 (5.9)
|
24 (5.5)
|
Least deprived quintile
|
1579 (2.9)
|
42 (2.1)
|
1688 (3.0)
|
<10 (<2.3)
|
Special education needsa
|
Learning Difficulties (specific/moderate)
|
8898 (16.3)
|
548 (27.1)
|
6085 (10.8)
|
133 (30.4)
|
Learning Difficulties (severe/ profound)
|
591 (1.1)
|
250 (12.3)
|
381 (0.7)
|
65 (14.9)
|
Behavioural, Emotional, Social problems
|
6726 (12.3)
|
548 (27.1)
|
3548 (6.3)
|
89 (20.4)
|
Speech, language and communication
|
4291 (7.9)
|
806 (39.8)
|
2134 (3.8)
|
161 (36.8)
|
Hearing, vision or physical disability
|
795 (1.5)
|
69 (3.4)
|
735 (1.3)
|
16 (3.4)
|
First languagea
|
English
|
39,920 (73.2)
|
1661 (82.0)
|
40,815 (72.5)
|
344 (78.7)
|
Other
|
13,612 (25.0)
|
341 (16.8)
|
14, 541 (25.9)
|
89 (20.4)
|
Not disclosed
|
1022 (1.9)
|
24 (1.2)
|
915 (1.6)
|
<10 (<2.3)
|
School type
|
Mainstream
|
53,868 (98.7)
|
1597 (78.8)
|
56,024 (99.6)
|
333 (76.2)
|
Special school
|
579 (1.1)
|
418 (20.6)
|
237 (0.4)
|
104 (23.8)
|
Pupil referral units
|
107 (0.2)
|
11 (0.5)
|
10 (0.02)
|
0 (0)
|
Educational attainment (key stage two)b
|
Lowest quintile
|
12, 220 (23.1)
|
1146 (59.0)
|
10, 461 (19.2)
|
296 (69.7)
|
Second
|
10,461 (19.8)
|
277 (14.3)
|
10,750 (19.7)
|
55 (12.9)
|
Third
|
10,301(19.5)
|
224 (11.5)
|
11,141 (20.4)
|
29 (6.8)
|
Fourth
|
10,283 (19.5)
|
168 (8.6)
|
10,078 (20.3)
|
22 (5.2)
|
Highest quintile
|
9577 (18.1)
|
128 (6.6)
|
11,172 (20.4)
|
23 (5.4)
|
Less than 80% attendancec
|
2587 (4.9)
|
118 (6.0)
|
2538 (4.7)
|
22 (5.2)
|
Fixed term exclusionsa
|
5847 (10.7)
|
239 (11.8)
|
2790 (5.0)
|
26 (6.0)
|
Other social factors
|
Summer birth (May-Aug)
|
18,941 (34.7)
|
720 (35.5)
|
19,185 (34.1)
|
140 (32.0)
|
Free school meals a
|
13,105 (24.0)
|
696 (34.5)
|
13,391 (23.8)
|
167 (38.2)
|
Looked after child status d
|
420 (0.8)
|
30 (1.5)
|
397 (0.7)
|
12 (2.8)
|
ICD-10 hyperkinetic disorder
|
670 (1.2)
|
131 (6.5)
|
168 (0.3)
|
23 (5.3)
|