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Incidence of depression and self-harm (i.e. age at first diagnosis of depression or self-harm)
| Age, years | Depression, n (%) | Self-harm, n (%) |
|---|---|---|
| 11 | 351 (1.06) | 255 (1.64) |
| 12 | 677 (2.05) | 313 (0.95) |
| 13 | 1227 (3.7) | 1450 (9.3) |
| 14 | 2372 (7.2) | 1011 (6.51) |
| 15 | 3300 (10) | 2919 (18.8) |
| 16 | 4139 (12.6) | 1590 (10.24) |
| 17 | 5982 (18.1) | 1949 (12.5) |
| 18 | 7021 (21.8) | 1618 (10.4) |
| 19 | 7206 (21.8) | 1357 (8.7) |
| 1–11 or 19–20 | 618 (1.69) | 2792 (20.96) |
| Total | 32 893 | 15 254 |
