Distribution of the literature by age group and/or developmental stage to which the use of the concept was linked
| Age and stage | Number of sources (n=62) |
|---|---|
| Age and stage defined | 18 (29.03%) |
| 02–05 (young children) | 1 (1.61%) |
| 10–19 (adolescents) | 2 (3.23%) |
| 10–24 (young people) | 2 (3.23%) |
| 10–25 (young people) | 1 (1.61%) |
| 10–25 (youth) | 1 (1.61%) |
| 11, 14 and 17 (adolescents) | 1 (1.61%) |
| 12–19 (adolescents) | 1 (1.61%) |
| 12–21 (adolescent and young adult) | 1 (1.61%) |
| 12–25 (young people) | 1 (1.61%) |
| 15–17 (adolescents) | 1 (1.61%) |
| 15–29 (adolescent and young adult) | 1 (1.61%) |
| 16–25 (young adults) | 1 (1.61%) |
| 18–30 (postadolescent young persons) | 1 (1.61%) |
| 19–25 (young adults) | 1 (1.61%) |
| Adolescents (11–15) and young adults (16–25) | 1 (1.61%) |
| Adolescents (11–18) and youth | 1 (1.61%) |
| Age but not stage defined | 1 (1.61%) |
| 18–28 | 1 (1.61%) |
| Stage but not age defined | 35 (56.45%) |
| Adolescents | 7 (11.29%) |
| Adolescents and young adults | 2 (3.23%) |
| Adults | 1 (1.61%) |
| Children | 2 (3.23%) |
| Neonatal | 1 (1.61%) |
| Young adults | 2 (3.23%) |
| Young people | 15 (24.19%) |
| Youth | 5 (8.06%) |
| Neither age nor stage defined | 8 (12.90%) |
| Young patients | 2 (3.23%) |
| Not applicable | 6 (9.68%) |