Table 2 Sample characteristics
From: Peripheral and neural correlates of self-harm in children and adolescents: a scoping review
Characteristic | Peripheral Correlates n (%) N of studies = 461 | Neural Correlates n (%) N of studies = 301 |
|---|---|---|
Self-Harm Type | ||
  Suicidality | 32 (70%) | 17 (57%) |
  NSSI | 6 (13%) | 9 (30%) |
  Any Self-Harm | 8 (17%) | 4 (13%) |
Sample Size | ||
  9-20 | 2 (4%) | 3 (10%) |
  21-50 | 13 (28%) | 15 (50%) |
  51-100 | 13 (28%) | 7 (23%) |
  101-200 | 12 (26%) | 5 (17%) |
  >200 | 6 (13%) | 0 (0%) |
Age Group | ||
  Children (3-11 years old) | 2 (4%) | 2 (7%) |
  Adolescents (12-19 years old) | 30 (65%) | 20 (67%) |
  Both | 14 (30%) | 8 (27%) |
Source of Subjects | ||
  Clinical setting | 9 (20%) | 4 (13%) |
  Community | 5 (11%) | 4 (13%) |
  Clinical setting & community | 29 (63%) | 15 (50%) |
  Previous research, registry | 3 (7%) | 6 (20%) |
  Not given | 0 (0%) | 1 (3%) |
Recruitment Diagnosis | ||
  Depression | 18 (39%) | 12 (40%) |
  Other | 6 (13%) | 3 (10%) |
  None | 22 (48%) | 15 (50%) |
Types of Controls2 | ||
 Healthy controls | 21 (62%) | 13 (57%) |
 Psychiatric controls | 7 (21%) | 1 (4%) |
 Both | 6 (18%) | 9 (39%) |
≥85% Girls | ||
  Yes | 14 (30%) | 8 (27%) |
  No | 31 (67%) | 21 (70%) |
  Not given | 1 (2%) | 1 (3%) |