Table 4.
ICD-10 codes and prevalence (%) of different types of health conditions at ages 16–18 within the broader groups of mental disorders and high-risk health behaviour
| Health condition group | ICD-10 codes | % |
|---|---|---|
| Mental disorders (any) | F20–F69, F80–F99a | 9.27 |
| Internalizing | 5.92 | |
| Depression | F32–F33b | 3.63 |
| Anxiety | F40–F42 | 3.27 |
| Externalizing | 1.27 | |
| Attention deficit and hyperactivity disorder/hyperkinetic disorder | F90 | 0.77 |
| Conduct disorder | F91–F92 | 0.56 |
| Developmental | F80–F89 | 1.03 |
| Other mental disorders | 3.94 | |
| Schizophrenia, schizotypal, and delusional disorders | F20–F29 | 0.39 |
| Mood disorders | F30–F39 c | 0.62 |
| Neurotic, stress-related, and somatoform disorders | F43–F48 | 1.05 |
| Behavioral syndromes associated with physiological disturbances and physical factors | F50–F59 | 0.89 |
| Disorders of adult personality and behavior | F60–F69 | 0.24 |
| Disorders with onset usually occurring in childhood and adolescence; unspecified | F93–F99 | 1.28 |
| High-risk health behaviour | 1.85 | |
| Mental and behavioural disorders due to psychoactive substance use | F10–F16, F18–F19 | 1.07 |
| Poisoning by drugs, medications, and alcohol | T36–T51, X44–45 | 0.27 |
| Intentional self-harm | X60–X84, Y870 | 0.38 |
| Assaults | X85-99, Y20-29, Y871 | 0.40 |
aExcluding F00–F09 (organic mental disorders), F10–F19 (psychoactive substance use, included in high-risk health behavior), and F70–F79 (mental retardation)
bExcluding codes F32.3 and F33.3 (depression with psychotic features)
cExcluding codes F32 and F33 included in depression
The prevalence in the sub-categories does not sum up to the higher level, as individuals may have several diagnoses