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Table 3 Description of self-harm actions and consequences among the 905 participants who reported self-harm

From: Adolescent self-harm and suicidal thoughts in the ALSPAC cohort: a self-report survey in England

  N (% of those who have ever self-harmed)   
   Males
(n = 180)
Females
(n = 725)
TOTAL
(n = 905)
χ2 p-value
Ever seriously wanted to kill self during self-harm act1 Yes 54 (30.3) 222 (31.0) 276 (30.9) 0.03 0.863
  No 124 (70.0) 494 (69.0) 618 (69.1)   
Timing of most recent episode2 Within the past week 12 (6.8) 58 (8.1) 70 (7.8) 0.4 0.799
  More than a week but within a year 93 (52.8) 364 (50.6) 457 (51.1)   
  More than one year ago 71 (40.3) 297 (41.3) 368 (41.1)   
What they did (most recent time)3 Swallowed pills only 1 (0.6) 36 (5.0) 37 (4.1) 46.6 <0.001
  Self-cut only 105 (58.7) 475 (65.7) 580 (64.1)   
  Burnt themselves only 7 (3.9) 10 (1.4) 17 (1.9)   
  Self-battery only 33 (18.4) 42 (5.8) 75 (8.3)   
  Other single method7 3 (1.7) 7 (1.0) 10 (1.1)   
  Cut and overdose 4 (2.2) 49 (6.8) 53 (5.9)   
  Cut and self-battery 5 (2.8) 27 (3.7) 32 (3.5)   
  Other multiple method8 22 (12.2) 79 (10.9) 98 (10.9)   
Sought medical help (most recent time)4 Yes 19 (10.6) 93 (12.8) 112 (12.4) 0.6 0.456
  No 161 (89.4) 632 (87.2) 793 (87.6)   
Frequency of self-harm in the last year5 Once 25 (23.8) 97 (23.1) 122 (23.2) 3.1 0.377
  2-5 times 48 (45.1) 171 (40.7) 219 (41.7)   
  6-10 times 9 (8.6) 60 (14.3) 69 (13.1)   
  More than 10 times 23 (21.9) 92 (21.9) 115 (21.9)   
How they felt after the most recent episode of self-harm)6 Better than before 77 (44.0) 366 (50.8) 443 (49.4) 16.5 <0.001
  The same 79 (45.1) 217 (30.1) 296 (33.0)   
  Worse than before 19 (10.9) 138 (19.1) 157 (17.5)   
  1. Notes
  2. 1. Non-respondents = 11.
  3. 2. Non-respondents = 10.
  4. 3. Non-respondents = 3.
  5. 4. Non-respondents = 0.
  6. 5. As this question did not include ‘never’ as an option, this analysis was carried out only with those who did not select ‘more than a year ago’ in answer to when they last hurt themselves on purpose, n = 525.
  7. 6. Non-respondents = 9.
  8. 7. Excess of alcohol/drugs (n = 2), jumping/dangerous behaviour (n = 2), hanging/strangulation/suffocation (n = 1) or method not specified (n = 2).
  9. 8. Includes other combinations of two methods, and three or more methods of any combination.